CN112171850A - A device that vibrates for precast concrete square culvert is made - Google Patents
A device that vibrates for precast concrete square culvert is made Download PDFInfo
- Publication number
- CN112171850A CN112171850A CN202011069045.6A CN202011069045A CN112171850A CN 112171850 A CN112171850 A CN 112171850A CN 202011069045 A CN202011069045 A CN 202011069045A CN 112171850 A CN112171850 A CN 112171850A
- Authority
- CN
- China
- Prior art keywords
- vibrating
- precast concrete
- sliding block
- concrete square
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/04—Producing shaped prefabricated articles from the material by tamping or ramming
- B28B1/045—Producing shaped prefabricated articles from the material by tamping or ramming combined with vibrating or jolting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/093—Producing shaped prefabricated articles from the material by vibrating or jolting by means directly acting on the material, e.g. by cores wholly or partly immersed in the material or elements acting on the upper surface of the material
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a vibrating device for manufacturing a precast concrete square culvert, which comprises a mounting seat, supporting legs, rollers, a vibrating rod, a vibrating plate and a vibrating driving assembly, wherein the vibrating driving assembly comprises a sliding block, a sliding groove, an electromagnet and an elastic piece, and the power supply of the electromagnet is controlled by an external controller to be rapidly and intermittently switched on and off, so that the vibrating plate can intermittently abut against the surface of the precast concrete square culvert, and the surface of the precast concrete square culvert is vibrated. The invention has the following beneficial effects: through setting up landing leg and gyro wheel, through the roll of gyro wheel for the mount pad can be rolled on precast concrete square culvert surface, thereby need not the workman and make a round trip to move the vibrator, reduces workman's intensity of labour, owing to set up the power outage of electro-magnet, sliding block, elastic component through the electro-magnet in addition, and then makes the sliding block slide fast from top to bottom, makes the frequency of reciprocating of vibrating the pole higher, and then has improved the frequency of vibrating the pole.
Description
Technical Field
The invention relates to the field of concrete vibrating equipment, in particular to a vibrating device for manufacturing a precast concrete square culvert.
Background
After the concrete is poured, workers usually need to vibrate the concrete so that the concrete reaches the designed compactness. If the compactness of concrete is not enough, the loose pore space of the internal structure of the concrete is too large, the strength of the concrete can be seriously influenced, and the control of the compactness of the concrete has very important effect on improving the strength of the concrete.
The present vibrator that is used for precast concrete square culvert needs the workman to hold the vibrator when using to the round trip movement vibrator makes the vibrator vibrate the surface of precast concrete square culvert, and this kind of mode has increased workman's intensity of labour, and the vibrator that has now in addition vibrates the pole by hydraulic drive and vibrates back and forth, thereby realizes vibrating to precast concrete square culvert surface, and hydraulic drive's mode makes the frequency of vibrating of the pole of vibrating lower, and then makes the efficiency of vibrating of the pole of vibrating lower.
To solve the above problems, we propose a vibrating device for precast concrete culvert construction.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide a vibrating device for manufacturing a precast concrete square culvert, and in order to solve the technical problem, the invention provides the following technical scheme:
the invention provides a vibrating device for manufacturing a precast concrete square culvert, which comprises:
the bottom of the mounting seat is provided with a plurality of support legs which extend downwards along the axial direction of the mounting seat in an array mode, and the lower ends of the support legs are rotatably connected with rollers, so that the mounting seat can move on the surface of the precast concrete square culvert;
the vibrating rod coaxially penetrates out of the bottom of the mounting seat in a sliding fit manner;
the vibrating plate is arranged at the lower end of the vibrating rod and is driven by the vibrating rod to vertically move;
the vibrating driving assembly comprises a sliding block which is arranged at one end of a vibrating rod penetrating into a mounting seat and is made of a magnetic conductive material, correspondingly, a sliding groove which is used for clamping the sliding block and can vertically and freely slide is formed in the mounting seat, an electromagnet is arranged in the sliding groove and is positioned below the sliding block, the electromagnet is powered by an external power supply, the electromagnet generates magnetism when being powered on to generate magnetic attraction to the sliding block so as to drive the sliding block to move downwards to enable the vibrating plate to abut against the surface of the precast concrete square culvert, an elastic piece is arranged between the sliding block and the electromagnet and abuts against the sliding block and drives the sliding block to move upwards so that the vibrating plate is separated from the abutting state with the surface of the precast concrete square culvert, and the power supply of the electromagnet is controlled to be rapidly and intermittently switched on and switched off by an external controller, the vibration plate can intermittently abut against the surface of the precast concrete square culvert, and then vibrates the surface of the precast concrete square culvert.
Preferably, the elastic part is a return spring sleeved on the vibrating rod, and two ends of the return spring in the elastic direction respectively abut against the sliding block.
Preferably, the mounting seat is embedded with a sliding sleeve, and the sliding sleeve is sleeved on the vibrating rod in a sliding manner.
Preferably, the outer wall of the mounting seat is provided with a through hole type air vent which penetrates through the sliding groove.
Preferably, the upper end of the mounting seat is provided with two grips along the axial array thereof.
Preferably, the vibration plate is provided with a hinged support at the top, the hinged support is hinged at the lower end of the vibrating rod, so that the vibration plate is hinged with the vibrating rod, and the vibration plate is driven by the adjusting assembly to rotate along the hinged position of the vibrating rod and the hinged support.
Preferably, the adjusting part is including the regulation seat of locating vibrations board one end, it has the installation cover to articulate on the regulation seat, the one end that the seat was kept away from to the installation cover rotationally overlaps and is equipped with the rotation cover, it wears to be equipped with adjusting screw to sheathe in the coaxial screw thread to rotate, adjusting screw coaxial clearance wears to enter in the installation cover, adjusting screw wears out the one end rigid coupling of installation cover and has the connecting block, the connecting block is articulated to be installed on the pole of pounding, rotate the cover when rotating on the installation cover, the drive adjusting screw is along the axial slip of installation cover.
Preferably, the mounting sleeve is coaxially provided with an annular protrusion at the upper end thereof, and correspondingly, the rotating sleeve is provided with a locking groove for clamping the protrusion and capable of freely rotating.
Compared with the prior art, the invention has the following beneficial effects: through setting up landing leg and gyro wheel, roll through the gyro wheel, make the mount pad roll on precast concrete square culvert surface, thereby need not the workman and make a round trip to move the vibrator, reduce workman's intensity of labour, in addition owing to set up the electro-magnet, the sliding block, the power outage that the elastic component passes through the electro-magnet, and then make the sliding block slide fast from top to bottom, the mode that uses hydraulic drive vibrating rod to remove relatively, make vibrating rod's the frequency of reciprocating higher, and then improved vibrating rod's the frequency of vibrating, through setting up the sliding sleeve, mechanical wear when vibrating rod and mount pad slip has been reduced, set up adjusting part, it rotates along hinged joint of hinged joint and vibrating rod to drive the vibrations board through adjusting part, thereby the angle of vibrations board has been adjusted, and then adapt to the precast concrete square culvert surface of different inclinations.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the general assembly structure of a vibrating device for manufacturing a precast concrete square culvert according to the present invention;
FIG. 2 is an enlarged partial schematic view at A of FIG. 1;
in the figure: 1-air vent, 2-grip, 3-mounting seat, 4-vibrating rod, 5-sliding sleeve, 6-hinged seat, 7-vibrating plate, 8-adjusting seat, 9-mounting sleeve, 10-connecting block, 11-supporting leg, 12-electromagnet, 13-reset spring, 14-sliding block, 15-adjusting screw rod, 16-rotating sleeve, 17-bulge, 18-jack, 19-locking groove and 20-roller.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Examples
As shown in fig. 1-2, a vibrating apparatus for precast concrete culvert fabrication, comprising:
the bottom of the mounting base 3 is provided with a plurality of support legs 11 extending downwards along the axial direction of the mounting base, and the lower ends of the support legs 11 are rotatably connected with rollers 20, so that the mounting base 3 can move on the surface of the precast concrete culvert;
the vibrating rod 4 coaxially penetrates through the bottom of the mounting seat 3 in a sliding fit manner;
the vibrating plate 7 is arranged at the lower end of the vibrating rod 4 and is driven by the vibrating rod 4 to vertically move;
the vibrating driving assembly comprises a sliding block 14 which is arranged at one end of a vibrating rod 4 penetrating into a mounting seat 3 and is made of a magnetic conductive material, correspondingly, a sliding groove which is used for clamping the sliding block 14 and can vertically and freely slide is formed in the mounting seat 3, an electromagnet 12 is arranged in the sliding groove, the electromagnet 12 is positioned below the sliding block 14 and is powered by an external power supply, the electromagnet 12 generates magnetism when being powered on, generates magnetic attraction on the sliding block 14 and further drives the sliding block 14 to move downwards so as to enable the vibrating plate 7 to abut against the surface of the precast concrete square culvert, an elastic piece is arranged between the sliding block 14 and the electromagnet 12 and abuts against the sliding block 14 and drives the sliding block 14 to move upwards so as to enable the vibrating plate 7 to be separated from the abutting state with the surface of the precast concrete square culvert, and the power supply of the electromagnet 12 is controlled by an external controller to be rapidly and intermittently switched on and off, the vibration plate 7 can intermittently abut against the surface of the precast concrete square culvert, and then vibrates the surface of the precast concrete square culvert.
In this embodiment, preferably, the elastic member is a return spring 13 sleeved on the vibrating rod 4, two ends of the elastic force direction of the return spring 13 respectively abut against the sliding blocks, and the return spring 13 has a simple structure, so that the manufacturing cost is low.
In this embodiment, preferably, the mounting seat 3 is embedded with a sliding sleeve 5, the sliding sleeve 5 is slidably sleeved on the vibrating rod 4, and the sliding sleeve 5 is arranged, so that when the vibrating rod 4 slides on the mounting seat 3, mechanical wear cannot be generated on the mounting seat 3.
In this embodiment, as preferred, set up on the 3 outer walls of mount pad and link up the sliding tray, bleeder vent 1 of through-hole form for through setting up bleeder vent 1, when the sliding block slides in the sliding tray, receive air compression's phenomenon through reducing the sliding block, and then make the sliding process of sliding block more smooth and easy.
In this embodiment, preferably, the upper end of the mounting seat 3 is provided with two grips 2 along the axial array thereof, and by providing the grips 2, a worker can conveniently hold the mounting seat 3, and can conveniently move the mounting seat 3.
In this embodiment, preferably, a hinged support 6 is provided on the top of the vibration plate 7, the hinged support 6 is hinged to the lower end of the vibration rod 4, so that the vibration plate 7 is hinged to the vibration rod 4, and the vibration plate 7 is driven by the adjusting assembly to rotate along the hinged position of the vibration rod 4 and the hinged support 6.
In this embodiment, as preferably, adjusting part is including locating the regulation seat 8 of 7 one ends of vibrations board, it has installation cover 9 to articulate on the regulation seat 8, the installation cover 9 is kept away from the one end of adjusting seat 8 and is rotationally overlapped and is equipped with and rotate cover 16, it wears to be equipped with adjusting screw 15 to rotate the coaxial screw thread on the cover 16, adjusting screw 15 coaxial clearance wears into in the installation cover 9, correspondingly, be equipped with the jack 18 that supplies adjusting screw 15 to pass through freely in the installation cover 9, the one end rigid coupling that adjusting screw 15 wore out installation cover 9 has connecting block 10, connecting block 10 articulates and installs on the pole 4 of vibrating, when rotating cover 16 and rotating on installation cover 9, the drive adjusting screw 15 is along the endwise slip of installation cover 9.
In this embodiment, preferably, the upper end of the mounting sleeve 9 is coaxially provided with an annular protrusion 17, and correspondingly, the rotating sleeve 16 is provided with a locking groove 19 for the protrusion 17 to engage with and freely rotate, so that the mounting sleeve 9 and the rotating sleeve 16 are rotatably connected by the protrusion 17 rotating and limiting in the locking groove 19.
The working principle of the invention when in use is as follows: during vibrating operation, the power supply of the electromagnet 12 is intermittently controlled to be switched on and off through an external controller, so that the electromagnet 12 generates intermittent magnetic force to drive the sliding block 14 to move downwards intermittently and quickly, namely, the electromagnet 12 generates magnetism when being electrified, the sliding block 14 made of magnetic conductive materials is driven to slide towards the electromagnet 12, or the sliding block 14 is driven to move downwards, so that the vibrating plate 7 moves downwards, when the electromagnet 12 is powered off, the sliding block 14 loses the magnetic force adsorption of the electromagnet 12, and the sliding block 14 is driven to move upwards quickly through elastic deformation of the return spring 13, through the steps, the vibrating plate 7 vibrates upwards and downwards quickly, so that the surface of the precast concrete culvert is vibrated, when the angle of the vibrating plate 7 is adjusted, the rotating sleeve 16 is firstly rotated manually, when the rotating sleeve 16 rotates, the adjusting screw 15 is driven to be screwed with the rotating sleeve 16, and then the adjusting screw rod 15 moves along the axial direction of the mounting sleeve 9, so that the angle of the vibration plate 7 is adjusted, and the prefabricated concrete square culvert surface with different gradients can be conveniently adapted.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A vibrating device for precast concrete square culvert manufacturing, comprising:
the bottom of the mounting base (3) is provided with a plurality of support legs (11) which extend downwards in an inclined mode along the axial direction of the mounting base, and the lower ends of the support legs (11) are rotatably connected with rollers (20), so that the mounting base (3) can move on the surface of the precast concrete square culvert;
the vibrating rod (4), the vibrating rod (4) is coaxially and slidably matched and penetrates out of the bottom of the mounting seat (3);
the vibration plate (7) is arranged at the lower end of the vibration rod (4) and is driven by the vibration rod (4) to vertically move;
the vibration driving assembly comprises a sliding block (14) which is arranged at one end of a vibration rod (4) penetrating into a mounting seat (3) and is made of a magnetic conductive material, correspondingly, a sliding groove which is used for clamping the sliding block (14) and can vertically and freely slide is formed in the mounting seat (3), an electromagnet (12) is installed in the sliding groove, the electromagnet (12) is positioned below the sliding block (14) and is powered by an external power supply, magnetism is generated when the electromagnet (12) is powered on to generate magnetic attraction to the sliding block (14), so that the sliding block (14) is driven to move downwards, the vibration plate (7) is enabled to abut against the surface of the precast concrete square culvert, an elastic piece is arranged between the sliding block (14) and the electromagnet (12), the elastic piece abuts against the sliding block (14) and drives the sliding block (14) to move upwards, make vibrations board (7) break away from with precast concrete square culvert surface's the state of supporting, through external control ware control the quick intermittent type break-make of electro-magnet (12) power makes vibrations board (7) can support the precast concrete square culvert surface by intermittent type, and then vibrates precast concrete square culvert surface.
2. The vibrating device for precast concrete square culvert manufacturing according to claim 1, characterized in that the elastic member is a return spring (13) sleeved on the vibrating rod (4), and two ends of the return spring (13) in the elastic force direction respectively abut against the sliding blocks.
3. The vibrating device for precast concrete culvert manufacturing according to claim 1, characterized in that a sliding sleeve (5) is embedded on the mounting base (3), and the sliding sleeve (5) is slidably fitted on the vibrating rod (4).
4. The vibrating device for precast concrete culvert construction according to claim 1, characterized in that the outer wall of the mounting base (3) is provided with ventilation holes (1) in the form of through holes penetrating through the sliding groove.
5. A vibrating device for precast concrete culvert construction according to claim 1, characterized in that the upper end of the mounting base (3) is provided with two grips (2) along its axial array.
6. A vibrating device for precast concrete square culvert manufacturing according to claim 1, characterized in that a hinged support (6) is provided on top of the vibrating plate (7), the hinged support (6) is hinged on the lower end of the vibrating rod (4) to make the vibrating plate (7) hinged with the vibrating rod (4), and the vibrating plate (7) is driven by the adjusting assembly to rotate along the hinged position of the vibrating rod (4) and the hinged support (6).
7. A vibrating device for precast concrete culvert construction according to claim 6, the adjusting component comprises an adjusting seat (8) arranged at one end of the vibrating plate (7), the adjusting seat (8) is hinged with an installation sleeve (9), one end of the mounting sleeve (9) far away from the adjusting seat (8) is rotatably sleeved with a rotating sleeve (16), an adjusting screw rod (15) is arranged on the rotating sleeve (16) in a penetrating way through coaxial threads, the adjusting screw rod (15) penetrates into the mounting sleeve (9) through a coaxial gap, one end of the adjusting screw rod (15) penetrating through the mounting sleeve (9) is fixedly connected with a connecting block (10), the connecting block (10) is hinged on the vibrating rod (4), when the rotating sleeve (16) rotates on the mounting sleeve (9), the adjusting screw rod (15) is driven to slide along the axial direction of the mounting sleeve (9).
8. A vibrating device for precast concrete culvert construction according to claim 7, characterized in that the upper end of the mounting sleeve (9) is coaxially provided with an annular protrusion (17), and correspondingly, the rotating sleeve (16) is provided with a locking groove (19) which is used for clamping and freely rotating the protrusion (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011069045.6A CN112171850A (en) | 2020-10-09 | 2020-10-09 | A device that vibrates for precast concrete square culvert is made |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011069045.6A CN112171850A (en) | 2020-10-09 | 2020-10-09 | A device that vibrates for precast concrete square culvert is made |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112171850A true CN112171850A (en) | 2021-01-05 |
Family
ID=73948514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011069045.6A Pending CN112171850A (en) | 2020-10-09 | 2020-10-09 | A device that vibrates for precast concrete square culvert is made |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112171850A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0027164A2 (en) * | 1979-10-10 | 1981-04-22 | Hoffmann, Elisabeth, geb. Eisler | Road-finisher trailing device for compacting the lateral edge of a completed roadway paving |
| CN108149709A (en) * | 2017-12-28 | 2018-06-12 | 中铁十局集团第五工程有限公司 | Underground pipe gallery precast assembly construction method |
| CN108411743A (en) * | 2018-05-11 | 2018-08-17 | 张宁 | A kind of concreting tamping equipment |
| CN208279981U (en) * | 2018-05-11 | 2018-12-25 | 浙江宏泰构件有限公司 | A kind of concreting tamping equipment |
| CN209699401U (en) * | 2019-01-25 | 2019-11-29 | 湖南三一快而居住宅工业有限公司 | Tamping equipment |
| CN211541658U (en) * | 2020-02-10 | 2020-09-22 | 四川华构住宅工业有限公司 | Extruder for extruding prefabricated wall panel |
-
2020
- 2020-10-09 CN CN202011069045.6A patent/CN112171850A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0027164A2 (en) * | 1979-10-10 | 1981-04-22 | Hoffmann, Elisabeth, geb. Eisler | Road-finisher trailing device for compacting the lateral edge of a completed roadway paving |
| CN108149709A (en) * | 2017-12-28 | 2018-06-12 | 中铁十局集团第五工程有限公司 | Underground pipe gallery precast assembly construction method |
| CN108411743A (en) * | 2018-05-11 | 2018-08-17 | 张宁 | A kind of concreting tamping equipment |
| CN208279981U (en) * | 2018-05-11 | 2018-12-25 | 浙江宏泰构件有限公司 | A kind of concreting tamping equipment |
| CN209699401U (en) * | 2019-01-25 | 2019-11-29 | 湖南三一快而居住宅工业有限公司 | Tamping equipment |
| CN211541658U (en) * | 2020-02-10 | 2020-09-22 | 四川华构住宅工业有限公司 | Extruder for extruding prefabricated wall panel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106622946A (en) | Construction sand and stone sieving device based on electromagnet adsorption principle | |
| CN102897530B (en) | Automatically brick clamping device | |
| CN110656556B (en) | Road device is pressed in vibrations of highway construction usefulness | |
| CN206254286U (en) | Concrete vibrating stand | |
| CN112171850A (en) | A device that vibrates for precast concrete square culvert is made | |
| CN114658225A (en) | Concrete construction equipment and construction method | |
| KR101223743B1 (en) | Apparatus for removing bubbles in concrete mortar | |
| CN112627534A (en) | Concrete pouring and vibrating integrated device and control method thereof | |
| CN106703509A (en) | Suspension type fence hoisting equipment and hoisting method thereof | |
| CN116005930A (en) | Stone plate connecting assembly convenient to install and replace and installation method | |
| CN209772701U (en) | Sand sieving mechanism that construction was adjusted with convenience | |
| CN209961568U (en) | Vibration table with adjustable amplitude | |
| CN211621039U (en) | A mounting that is used for weak soil roadbed to widen structure | |
| CN111501762B (en) | Steel structure building foundation ground construction treatment method | |
| CN113622264A (en) | Concrete vibrating device for highway engineering and application method thereof | |
| CN208363644U (en) | vibrating vehicle | |
| CN220745174U (en) | Glass curtain wall lifting device | |
| CN220219131U (en) | PK board is water bores auxiliary device for quick hole | |
| CN110759255A (en) | Lifting frame convenient to disassemble and assemble for building construction | |
| CN218954222U (en) | Pipeline hanging device with adjusting structure | |
| CN220337363U (en) | Vibration screen damping base | |
| CN217579637U (en) | Concrete vibrating device for municipal road | |
| CN212537362U (en) | Make things convenient for mining machinery to support with preventing shifting transport platform | |
| CN216139189U (en) | Recycled concrete block vibrating device capable of uniformly stirring up and down | |
| CN218540292U (en) | Vibrating system for slab concrete pouring |
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: 20210105 |
|
| RJ01 | Rejection of invention patent application after publication |