CN110617996A - Silt sampling device for hydraulic engineering - Google Patents
Silt sampling device for hydraulic engineering Download PDFInfo
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- CN110617996A CN110617996A CN201910981117.5A CN201910981117A CN110617996A CN 110617996 A CN110617996 A CN 110617996A CN 201910981117 A CN201910981117 A CN 201910981117A CN 110617996 A CN110617996 A CN 110617996A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a sampling device, in particular to a silt sampling device for hydraulic engineering. The invention aims to provide a sediment sampling device for hydraulic engineering, which can more accurately sample sediment at different depths at the same position of a river bottom at one time. A silt sampling device for hydraulic engineering comprises an installation rod, a rotary clamping device, a first connecting rod, a sliding device, a sampling device and the like; and a rotary clamping device for adjusting the silt sampling position in a rotating mode is arranged at the upper part of the mounting rod. According to the invention, the sampling position can be finely adjusted by rotating the clamping device, the accuracy of the sampling position is improved, people can conveniently detach and install the sampling device through the sliding device, silt at different depths of the river bottom can be sampled through the matching of the sampling device and the control device, the sampling device can be controlled to sample by pulling the sliding rod left and right during sampling, the use by people is more convenient, and the safety is higher.
Description
Technical Field
The invention relates to a sampling device, in particular to a silt sampling device for hydraulic engineering.
Background
Hydraulic engineering is an engineering built for controlling and allocating surface water and underground water in nature to achieve the purposes of removing harmful substances and benefiting. Also known as water engineering. Hydraulic engineering needs to build various types of hydraulic buildings such as dams, dikes, spillways, water gates, water inlets, channels, transition troughs, rafts, fishways and the like so as to achieve the aims. Hydraulic engineering all needs to take a sample the tuningout to the silt of river bottom before engineering such as bridge, sluice are built to the guarantor's quality of building, but among the prior art, to the common equipment of river bottom silt sample, can not once only take a sample to the silt of the different degree of depth of river bottom, the position of the control sample that can not be accurate.
Patent publication No. CN208420426U discloses a silt sampling device for hydraulic engineering, the device is including the bottom plate, the first support column of right side fixedly connected with at bottom plate top, the first backup pad of top fixedly connected with of first support column, the first rotating electrical machines of left side fixedly connected with at first backup pad top, the first rotation axis of fixedly connected with on the output shaft of first rotating electrical machines, the bottom of first rotation axis is run through first backup pad and is extended to its outside fixedly connected with threaded rod, the surperficial threaded connection of threaded rod has the slider. According to the invention, the water inlet, the sliding rod, the sliding plate, the reset spring, the semicircular ring, the second rotating motor, the second rotating shaft, the winding drum, the pulley and the steel wire rope are mutually matched, so that the effect of good sampling effect is achieved, a sediment sample with a specified depth can be accurately sampled, the sample taken out is representative, and convenience is provided for subsequent research and analysis work. This equipment can sample the silt of the different degree of depth of river bottom to the mode of river bottom silt sample, nevertheless need carry out a lot of samples, and when such mode had led to the sample, the sample position had the deviation to some extent, can't accurately take a sample to same position.
Therefore, how to design a sediment sampling device for hydraulic engineering that can once only, more accurate carry out the sample to the silt of the same position of river bottom different degree of depth is the technical problem that this patent application will solve.
Disclosure of Invention
In order to overcome the defect that the prior silt sampling equipment can sample silt with different depths only after sampling for several times, the invention has the technical problems that: the silt sampling device for the hydraulic engineering can sample silt at the same position and different depths of the river bottom at one time and more accurately.
The technical scheme is as follows: the utility model provides a silt sampling device for hydraulic engineering, including: mounting a rod; the rotary clamping device is arranged at the upper part of the mounting rod and used for adjusting the silt sampling position in a rotating mode; the first connecting rod is arranged at the left part of the rotary clamping device; the sliding device is arranged at the left end of the first connecting rod and is used for sampling the silt in a clamping and loosening manner; the sampling device is connected in the sliding device in a sliding way and is used for sampling silt in a vertical moving way; the handle is arranged at the top of the sampling device; the second connecting rod is rotatably arranged at the left part of the handle; the pull wire is connected between the sampling device and the lower end of the second connecting rod; and the control device is arranged on the upper part of the sampling device and controls the sampling time in a rotating mode.
In a preferred embodiment of the present invention, the rotating clamping device includes a first shaft sleeve, an M-shaped clamping block and a first spring, the first shaft sleeve is rotatably disposed on the upper portion of the mounting rod, at least two first grooves are uniformly formed on the periphery of the upper portion of the mounting rod, the M-shaped clamping block is slidably mounted on the first shaft sleeve, and the first spring is connected between the M-shaped clamping block and the first shaft sleeve.
In a preferred embodiment of the invention, the sliding device comprises a cutting sleeve, a clamping rod, a mounting plate, a baffle and a second spring, the cutting sleeve is mounted at the left end of the first connecting rod, the clamping rod is rotatably mounted at the left side of the cutting sleeve, the mounting plate is mounted at the left side of the cutting sleeve, the clamping groove is formed in the mounting plate, the baffle is slidably arranged on the clamping rod, and the second spring is connected between the baffle and the clamping rod.
In a preferred embodiment of the invention, the sampling device comprises an insertion rod, a collection cylinder and a third spring, the insertion rod is arranged in the cutting sleeve in a sliding manner, a through hole is formed in the insertion rod, at least two second grooves are formed in the left side and the right side of the lower part of the insertion rod at different heights, the collection cylinders are arranged in the second grooves in a sliding manner, the third spring is connected between the inner side of each collection cylinder and the corresponding second groove, and the inner sides of the collection cylinders are connected with pull wires.
In a preferred embodiment of the present invention, the control device comprises a second shaft sleeve, a third connecting rod and a third shaft sleeve, wherein the second shaft sleeve is rotatably mounted on the upper portion of the insertion rod, the third connecting rod is mounted on both the front side and the rear side of the second shaft sleeve, the third shaft sleeve is rotatably mounted on the lower portion of the insertion rod, at least two openings are formed in the periphery of the third shaft sleeve at different heights, the openings are matched with the second groove, and the bottom of the third shaft sleeve is connected with the third connecting rod.
In a preferred embodiment of the invention, the device further comprises a sliding sleeve, a sliding rod, a rack and a gear, wherein the sliding sleeve is arranged at the top of the mounting rod, the sliding rod is arranged in the sliding sleeve in a sliding manner, the rack is connected to the left end of the sliding rod, the gear is arranged on the second shaft sleeve, and the gear is matched with the rack.
Compared with the prior art, the invention has the following advantages: according to the invention, the sampling position can be finely adjusted by rotating the clamping device, the accuracy of the sampling position is improved, people can conveniently detach and install the sampling device through the sliding device, silt at different depths of the river bottom can be sampled through the matching of the sampling device and the control device, the sampling device can be controlled to sample by pulling the sliding rod left and right during sampling, the use by people is more convenient, and the safety is higher.
Drawings
Fig. 1 is a schematic front view of the present invention.
FIG. 2 is a left side view of the present invention.
FIG. 3 is a left side view of the sampling device of the present invention.
FIG. 4 is a schematic top view of the sliding device of the present invention.
The parts are labeled as follows: 1. the mounting rod 2, the first shaft sleeve, 3, the first groove, 4, the M-shaped fixture block, 5, the first spring, 6, the first connecting rod, 7, the clamping sleeve, 71, the clamping rod, 72, the mounting plate, 73, the clamping groove, 74, the baffle, 75, the second spring, 8, the sampling device, 81, the inserted rod, 82, the through hole, 83, the second groove, 84, the collecting cylinder, 85, the third spring, 9, the handle, 10, the second connecting rod, 11, the stay wire, 12, the second shaft sleeve, 13, the third connecting rod, 14, the third shaft sleeve, 15, the opening, 16, the sliding sleeve, 17, the sliding rod, 18, the rack, 19 and the gear.
Detailed Description
Although the present invention may be described with respect to particular applications or industries, those skilled in the art will recognize the broader applicability of the invention. Those of ordinary skill in the art will recognize other factors such as: terms such as above, below, upward, downward, and the like are used to describe the accompanying drawings and are not meant to limit the scope of the invention, which is defined by the appended claims. Such as: any numerical designation of first or second, and the like, is merely exemplary and is not intended to limit the scope of the invention in any way.
Example 1
Referring to fig. 1, 2, 3 and 4, a silt sampling device for hydraulic engineering comprises an installation rod 1, a rotary clamping device and a first connecting rod 6, slide device, sampling device 8, handle 9, the second connecting rod 10, act as go-between 11 and controlling means, install 1 upper portion of pole and install the rotatory chucking device of adjusting silt sample position through the rotation mode, head rod 6 is installed to the rotatory chucking device left part, slide device is installed to head rod 6 left end, be equipped with the sampling device 8 that carries out the silt sample through the mode that reciprocates in the slide device, handle 9 is installed to 8 top rotary types of sampling device, second connecting rod 10 is installed to the handle 9 left part, 10 lower extremes of second connecting rod are connected with and act as go-between 11, the 11 other ends of acting as go-between are connected with sampling device 8, the controlling means through rotation mode control sample time is installed on 8 upper portions of sampling device. Specifically, when sampling silt in the river bottom, firstly, the equipment is installed on a ship in a bolt connection mode, then the ship reaches a place needing sampling, the sampling device 8 is rotated to the accurate sampling position through the rotary clamping device, then a worker presses the sampling device 8 downwards to slide downwards on the sliding device and insert the sampling device into the river bottom at a specified depth, then the control device is opened to sample the silt in the river bottom, after the sampling is completed, the worker holds the handle 9 to rotate rightwards, so that the stay wire 11 is pulled to move upwards through the second connecting rod 10, then the control device is closed, then the worker pulls the handle 9 upwards to drive the sampling device 8 to slide upwards in the sliding device, then the silt in the sampling device 8 is collected, when the silt at the bank is sampled, the worker can take the sampling device 8 down from the sliding device, subsequently, the sampling device 8 is brought to a sampling place, the handle 9 is held by a hand to insert the sampling device 8 into the river bottom to a required depth, then the control device opens the sampling device 8 to sample the silt, and the sampling device 8 is pulled out to collect the silt after sampling is completed.
Referring to fig. 1, the rotating clamping device includes a first shaft sleeve 2, an M-shaped fixture block 4 and a first spring 5, the first shaft sleeve 2 is rotatably disposed on an upper portion of the mounting rod 1, six first grooves 3 are formed in the periphery of the upper portion of the mounting rod 1, the M-shaped fixture block 4 is slidably disposed on the first shaft sleeve 2, and the first spring 5 is connected between the M-shaped fixture block 4 and the first shaft sleeve 2. Specifically, when taking a sample silt on the ship, the staff extracts M type fixture block 4 anticlockwise rotation 90 right, first spring 5 is stretched, at this moment, M type fixture block 4 no longer blocks first recess 3, then rotate primary shaft cover 2 around, drive sampling device 8 and rotate the position back of sample, make M type fixture block 4 clockwise rotation 90, under the effect that first spring 5 resets, M type fixture block 4 resets thereupon and blocks into first recess 3, so, the regulation sample position that can be more convenient, make silt sample more accurate.
Example 2
Referring to fig. 4, the sliding device includes a ferrule 7, a clamping rod 71, a mounting plate 72, a baffle 74 and a second spring 75, the ferrule 7 is mounted at the left end of the first connecting rod 6, the clamping rod 71 is rotatably mounted at the left side of the ferrule 7, the mounting plate 72 is welded at the left side of the ferrule 7, a clamping groove 73 is formed in the mounting plate 72, the baffle 74 is slidably disposed on the clamping rod 71, and the second spring 75 is welded between the baffle 74 and the clamping rod 71. Specifically, when needing to take off sampling device 8, the staff pulls baffle 74 and slides backward, and second spring 75 is compressed, at this moment, and the staff can be to the left rotation kelly 71, takes out sampling device 8 afterwards, takes out the back, rotates kelly 71 card to the right and goes into in the draw-in groove 73, then loosens baffle 74, under the effect that third spring 85 resets, baffle 74 slides forward and resets and block kelly 71, so, can make things convenient for people to use more.
Referring to fig. 1 and 3, the sampling device 8 includes an insertion rod 81, a collection cylinder 84 and a third spring 85, the ferrule 7 is provided with the insertion rod 81 in an inward sliding manner, a through hole 82 is formed in the insertion rod 81, two second grooves 83 are formed in the left side and the right side of the lower portion of the insertion rod 81 at different heights, the collection cylinders 84 are arranged in the second grooves 83 in an inward sliding manner, the third springs 85 are welded between the inner sides of the collection cylinders 84 and the second grooves 83, and the inner sides of the collection cylinders 84 are connected with the pull wires 11. Specifically, when sampling river bottom silt, because third spring 85 begins to be in compression state, the staff opens controlling means, under the effect that third spring 85 resets, surge drum 84 outwards pops out in second recess 83, outwards pop out the pulling in second recess 83 and act as go-between 11 downstream, thereby sample river bottom silt, the sample is accomplished the back, the staff draws line 11 upstream through the pulling of turning right handle 9, and then pulling surge drum 84 inwards slides in second recess 83, third spring 85 is compressed, close controlling means afterwards, so, can sample simultaneously the silt of the different degree of depth of river bottom. After the silt sampling is finished, the silt of sampling can be taken out in the same mode.
Example 3
Referring to fig. 1 and 3, the control device includes a second shaft sleeve 12, a third connecting rod 13 and a third shaft sleeve 14, the second shaft sleeve 12 is rotatably installed on the upper portion of an inserting rod 81, the third connecting rod 13 is installed on both the front side and the rear side of the second shaft sleeve 12, the third shaft sleeve 14 is rotatably installed on the lower portion of the inserting rod 81, two openings 15 are formed in the periphery of the third shaft sleeve 14 at different heights, the openings 15 are matched with a second groove 83, and the bottom of the third shaft sleeve 14 is connected with the third connecting rod 13 through a bolt. Specifically, when sampling river sediment, the staff rotates second shaft sleeve 12 and drives third shaft sleeve 14 through third connecting rod 13 and rotate, when rotating to opening 15 and second recess 83 coincidence, collecting cylinder 84 outwards pops out and collects sediment, and after the collection was accomplished, the staff rotated second shaft sleeve 12 and drives third shaft sleeve 14 and restore to the throne and block second recess 83. So, can sample the silt of the different degree of depth.
Referring to fig. 1, the device further comprises a sliding sleeve 16, a sliding rod 17, a rack 18 and a gear 19, the top of the mounting rod 1 is connected with the sliding sleeve 16 through a bolt, the sliding sleeve 16 is internally provided with the sliding rod 17 in a sliding manner, the rack 18 is welded at the left end of the sliding rod 17, the gear 19 is mounted on the second shaft sleeve 12, and the gear 19 is matched with the rack 18. Specifically, when taking a sample to silt, inserted bar 81 downshifts and inserts the river bottom, second shaft sleeve 12 downshifts thereupon, gear 19 along with second shaft sleeve 12 downshifts to meshing with rack 18, subsequently, staff's pulling slide bar 17 slides right, thereby drive gear 19 through rack 18 and rotate, second shaft sleeve 12 rotates along with gear 19, after the sample is accomplished, the staff promotes slide bar 17 left and resets and drives rack 18 and move left, thereby drive gear 19 and rotate, subsequently, the staff collects silt, so, need not people rotate second shaft sleeve 12 with the hand and take a sample to earth, prevent that people from falling into the river carelessly when taking a sample, the security is higher.
The embodiments described above are provided to enable persons skilled in the art to make or use the invention and that modifications or variations can be made to the embodiments described above by persons skilled in the art without departing from the inventive concept of the present invention, so that the scope of protection of the present invention is not limited by the embodiments described above but should be accorded the widest scope consistent with the innovative features set forth in the claims.
Claims (6)
1. The utility model provides a silt sampling device for hydraulic engineering, characterized by, including:
a mounting rod (1);
the rotary clamping device is arranged at the upper part of the mounting rod (1) and used for adjusting the silt sampling position in a rotating mode;
the first connecting rod (6) is arranged at the left part of the rotary clamping device;
the sliding device is arranged at the left end of the first connecting rod (6) and is used for sampling the silt in a clamping and loosening manner;
the sampling device (8) is connected in the sliding device in a sliding way and is used for sampling silt in a vertical moving way;
the handle (9) is arranged on the top of the sampling device (8);
the second connecting rod (10) is rotatably arranged at the left part of the handle (9);
the pull wire (11) is connected between the sampling device (8) and the lower end of the second connecting rod (10);
and the control device is arranged on the upper part of the sampling device (8) and controls the sampling time in a rotating mode.
2. The sediment sampling device for the hydraulic engineering according to claim 1, characterized in that, rotatory chucking device includes first axle sleeve (2), M type fixture block (4) and first spring (5), and installation pole (1) upper portion rotary type is equipped with first axle sleeve (2), and the periphery of installation pole (1) upper portion evenly opens has two at least first recesses (3), and slidable mounting has M type fixture block (4) on first axle sleeve (2), is connected with first spring (5) between M type fixture block (4) and first axle sleeve (2).
3. The sediment sampling device for the hydraulic engineering according to claim 2, characterized in that, the sliding device comprises a clamping sleeve (7), a clamping rod (71), a mounting plate (72), a baffle (74) and a second spring (75), the clamping sleeve (7) is installed at the left end of the first connecting rod (6), the clamping rod (71) is installed in a rotating mode on the left side of the clamping sleeve (7), the mounting plate (72) is installed on the left side of the clamping sleeve (7), a clamping groove (73) is formed in the mounting plate (72), the baffle (74) is arranged on the clamping rod (71) in a sliding mode, and the second spring (75) is connected between the baffle (74) and the clamping rod (71).
4. The sediment sampling device for the hydraulic engineering according to claim 3, characterized in that the sampling device (8) comprises an inserted rod (81), a collection cylinder (84) and a third spring (85), the inserted rod (81) is arranged in the cutting sleeve (7) in a sliding manner, a through hole (82) is formed in the inserted rod (81), at least two second grooves (83) are formed in the left side and the right side of the lower portion of the inserted rod (81) at different heights, the collection cylinder (84) is arranged in each second groove (83) in a sliding manner, the third spring (85) is connected between the inner side of the collection cylinder (84) and the second grooves (83), and the inner side of the collection cylinder (84) is connected with the pull wire (11).
5. The sediment sampling device for the hydraulic engineering according to claim 4, characterized in that, the control device includes second shaft sleeve (12), third connecting rod (13) and third shaft sleeve (14), second shaft sleeve (12) is installed in the upper portion of inserted bar (81) rotary type, third connecting rod (13) are all installed to the both sides around second shaft sleeve (12), third shaft sleeve (14) is installed in the lower portion rotary type of inserted bar (81), the peripheral not co-altitude of third shaft sleeve (14) is opened there are two at least openings (15), opening (15) and second recess (83) cooperation, third shaft sleeve (14) bottom is connected with third connecting rod (13).
6. The sediment sampling device for the water conservancy project according to claim 5, characterized by further comprising a sliding sleeve (16), a sliding rod (17), a rack (18) and a gear (19), wherein the sliding sleeve (16) is installed at the top of the installation rod (1), the sliding sleeve (16) is internally provided with the sliding rod (17) in a sliding manner, the left end of the sliding rod (17) is connected with the rack (18), the second shaft sleeve (12) is provided with the gear (19), and the gear (19) is matched with the rack (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910981117.5A CN110617996A (en) | 2019-10-16 | 2019-10-16 | Silt sampling device for hydraulic engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910981117.5A CN110617996A (en) | 2019-10-16 | 2019-10-16 | Silt sampling device for hydraulic engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110617996A true CN110617996A (en) | 2019-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910981117.5A Pending CN110617996A (en) | 2019-10-16 | 2019-10-16 | Silt sampling device for hydraulic engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110617996A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707505A (en) * | 2020-07-23 | 2020-09-25 | 夏帮洪 | River basin multi-depth water body sampler |
| CN115436100A (en) * | 2022-09-28 | 2022-12-06 | 四川省交通勘察设计研究院有限公司 | Underwater silt sampling device and technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207197844U (en) * | 2017-07-16 | 2018-04-06 | 贾苏平 | A kind of engineering exploration soil rapid sampling attachment |
| CN108051243A (en) * | 2018-01-30 | 2018-05-18 | 南昌首诺科技有限公司 | A kind of soil Humidity Detection sampling equipment |
| CN109238776A (en) * | 2018-09-21 | 2019-01-18 | 姜蕤芸 | A kind of water conservancy scientific research sediment load sampling device |
| CN208420426U (en) * | 2018-04-28 | 2019-01-22 | 朱革宇 | A kind of hydraulic engineering sediment load sampling device |
| CN110160828A (en) * | 2018-03-20 | 2019-08-23 | 肇庆胜尚知识产权服务有限公司 | A kind of hydraulic engineering sediment sampling device |
-
2019
- 2019-10-16 CN CN201910981117.5A patent/CN110617996A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207197844U (en) * | 2017-07-16 | 2018-04-06 | 贾苏平 | A kind of engineering exploration soil rapid sampling attachment |
| CN108051243A (en) * | 2018-01-30 | 2018-05-18 | 南昌首诺科技有限公司 | A kind of soil Humidity Detection sampling equipment |
| CN110160828A (en) * | 2018-03-20 | 2019-08-23 | 肇庆胜尚知识产权服务有限公司 | A kind of hydraulic engineering sediment sampling device |
| CN208420426U (en) * | 2018-04-28 | 2019-01-22 | 朱革宇 | A kind of hydraulic engineering sediment load sampling device |
| CN109238776A (en) * | 2018-09-21 | 2019-01-18 | 姜蕤芸 | A kind of water conservancy scientific research sediment load sampling device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707505A (en) * | 2020-07-23 | 2020-09-25 | 夏帮洪 | River basin multi-depth water body sampler |
| CN111707505B (en) * | 2020-07-23 | 2024-03-29 | 曹阳 | River region multi-depth water body sampler |
| CN115436100A (en) * | 2022-09-28 | 2022-12-06 | 四川省交通勘察设计研究院有限公司 | Underwater silt sampling device and technology |
| CN115436100B (en) * | 2022-09-28 | 2024-02-06 | 四川省交通勘察设计研究院有限公司 | Underwater sediment sampling device and technology |
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Application publication date: 20191227 |
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| RJ01 | Rejection of invention patent application after publication |