CN112873523A - Prevent turning device of tunnel segment damage - Google Patents
Prevent turning device of tunnel segment damage Download PDFInfo
- Publication number
- CN112873523A CN112873523A CN202110201209.4A CN202110201209A CN112873523A CN 112873523 A CN112873523 A CN 112873523A CN 202110201209 A CN202110201209 A CN 202110201209A CN 112873523 A CN112873523 A CN 112873523A
- Authority
- CN
- China
- Prior art keywords
- turning device
- mounting
- frame
- sliding rod
- block
- 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
- 230000007306 turnover Effects 0.000 claims abstract description 10
- 230000003139 buffering effect Effects 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003116 impacting effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
- E21D11/086—Methods of making concrete lining segments
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a turnover device for preventing tunnel duct pieces from being damaged, which comprises two bases, wherein limiting seats are fixedly arranged on two sides of the top of each base, a rotating shaft is rotatably arranged on the top of each limiting seat, a turnover table is fixedly arranged at the end part of one side of the rotating shaft, a gear is coaxially and fixedly arranged at the end part of the other side of the rotating shaft, a rack is meshed and connected with the top end of the gear, a fixed block is fixedly arranged on one side of the rack, a sliding rod is fixedly arranged on one side of the fixed block, which forms a vertical angle with the rotating shaft, the end part of the sliding rod, which is far away from the fixed block, slides through a fixed frame and is fixedly provided with a limiting block; four corners of the top of the overturning platform are respectively provided with mounting holes in an inwards concave manner, one side of each mounting hole is provided with a through hole in a penetrating manner, and mounting blocks are fixedly mounted in the mounting holes through screw structures.
Description
Technical Field
The invention relates to the technical field of duct piece overturning, in particular to an overturning device for preventing a tunnel duct piece from being damaged.
Background
When the tunnel segment is poured, the cambered surface is positioned at the bottom of the segment, the requirement on the size precision of the segment is high in tunnel construction, the cambered surface cannot be placed downwards after the segment is lifted out by using a vacuum chuck, otherwise, the corner of the cambered surface of the segment is easily damaged, the size precision is influenced, the segment is required to be vertically placed in a water culture pond for maintenance after being overturned, and the segment is required to be overturned again after maintenance, so that the cambered surface is upwards.
The existing turnover device can basically turn over towards one direction, the working efficiency is low, meanwhile, when the turnover device is turned over, the protection capability is poor, the tunnel segment is easy to damage, and therefore the normal use of the tunnel segment is influenced, and therefore the turnover device for preventing the tunnel segment from being damaged is provided for solving the problems.
Disclosure of Invention
The present invention is directed to a turning device for preventing a tunnel segment from being damaged, so as to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a turning device for preventing tunnel segment damage, includes two bases, the top both sides fixed mounting of base has spacing seat, the top of spacing seat is rotated and is installed the pivot, one side end fixed mounting of pivot has roll-over table, the coaxial fixed mounting of opposite side end has the gear, the meshing of the top of gear is connected with the rack, one side fixed mounting of rack has the fixed block, the fixed block becomes one side fixed mounting of perpendicular angle with the pivot and has the slide bar, the slide bar is kept away from the end of fixed block and slides and pass the mount and fixed mounting has the stopper, the bottom fixed mounting of mount is at the top of base, one side fixed mounting of stopper has the expansion end of pneumatic cylinder, the stiff end fixed mounting of pneumatic cylinder is on the mount;
four corners of the top of the overturning platform are respectively provided with mounting holes in an inwards concave manner, a through hole penetrates through one side of each mounting hole, a mounting block is fixedly mounted in each mounting hole through a screw structure, a support frame is fixedly mounted at the top of each mounting block, a lead screw is rotatably mounted in each support frame, a nut is coaxially and fixedly mounted at the top end of each lead screw, a sliding rod is sleeved outside a shaft body of each lead screw in a rotating manner, each sliding rod is connected in a sliding groove in a sliding manner in a clamping manner, each sliding groove is arranged in one side of each support frame in an inwards concave manner, and a support rod;
the top fixed mounting of roll-over table has a plurality of buffer spring, a plurality of buffering slide bars have been cup jointed in the buffer spring internalization, the top fixed mounting of buffering slide bar has the buffering frame.
Preferably, the fixing frame, the fixing block, the rack, the gear, the rotating shaft and the limiting seat are respectively provided with two parts which are symmetrically arranged on two sides of the center line of the base.
Preferably, the structures of the two sides of the overturning platform are completely consistent.
Preferably, the top of the limiting seat is provided with a circular arc-shaped concave surface, and the height of one side of the circular arc-shaped concave surface is greater than that of the other side of the circular arc-shaped concave surface.
Preferably, the height of the left side of the arc-shaped concave surface on the left side of the base is greater than the height of the right side of the arc-shaped concave surface on the left side of the base, and the height of the right side of the arc-shaped concave surface on the right side of the base is greater than the height of the left side of
Preferably, one side of the mounting block is concavely provided with a screw hole, and the aperture of the screw hole is equal to that of the through hole.
Preferably, a rubber strip is fixedly mounted on one side of the support frame opposite to the screw hole, and the support rod and the sliding rod form an L-shaped structure.
Preferably, the buffer frame is equipped with two respectively, the buffer frame is including buffering mount, the bottom fixedly connected with buffering slide bar and buffer spring of buffering mount, the top fixed mounting of buffering mount has the buffering rubber strip.
Compared with the prior art, the invention has the beneficial effects that:
1. the support rods are arranged on the overturning platform, and when the overturning frame is overturned to a vertical state, the upright tunnel segment is clamped by the support frame and is not easy to automatically topple, so that potential safety hazards during site construction are reduced;
2. the detachable structure of the supporting rod facilitates flexible use of the supporting rod, and the lead screw drives the sliding rod to move, so that the supporting width of the supporting rod can be adjusted, and the tunnel duct piece with different sizes can be suitable for tunnel duct pieces;
3. the buffer frame on the overturning platform can prevent the tunnel segment from directly impacting and colliding with the overturning platform when the tunnel segment is placed on the overturning platform, so that the buffer function is achieved, and the damage of the tunnel segment is avoided;
4. the hydraulic cylinder stretches and retracts to drive the fixed block to move left and right, so that the overturning platform is overturned left and right through the meshing of the rack and the gear, the overturning direction of the overturning platform can be more diversified, and the using scene is wider.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a spacing seat according to the present invention;
FIG. 3 is a cross-sectional view of the support structure of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
In the figure: the device comprises a base 1, a fixed frame 2, a hydraulic cylinder 3, a sliding rod 4, a limiting block 5, a fixed block 6, a rack 7, a gear 8, a rotating shaft 9, a limiting seat 10, an arc concave surface 101, a turnover table 11, a mounting hole 12, a through hole 13, a buffer frame 14, a buffer fixed frame 141, a buffer rubber strip 142, a buffer sliding rod 15, a buffer spring 16, a mounting block 17, a screw hole 171, a support frame 18, a rubber strip 181, a sliding groove 182, a support rod 19, a sliding rod 20, a nut 21 and a lead screw 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a turnover device for preventing tunnel duct pieces from being damaged comprises two bases 1, limiting seats 10 are fixedly mounted on two sides of the top of each base 1, a rotating shaft 9 is rotatably mounted at the top of each limiting seat 10, a turnover table 11 is fixedly mounted at one end of each rotating shaft 9, a gear 8 is fixedly mounted at the end of the other side of each rotating shaft 9 in a coaxial mode, a rack 7 is connected to the top end of each gear 8 in a meshed mode, a fixing block 6 is fixedly mounted at one side of each rack 7, a sliding rod 4 is fixedly mounted at one side, perpendicular to the rotating shaft 9, of each fixing block 6, the end, far away from the fixing block 6, of each sliding rod 4 slides through a fixing frame 2 and is fixedly mounted with a limiting block 5, the bottom of each fixing frame 2 is fixedly mounted at the top;
as shown in fig. 1, four corners of the top of the flipping table 11 are respectively provided with mounting holes 12 in a concave manner, one side of each mounting hole 12 is provided with a through hole 13 in a penetrating manner, a mounting block 17 is fixedly mounted in each mounting hole 12 through a screw structure, a support frame 18 is fixedly mounted at the top of each mounting block 17, a lead screw 22 is rotatably mounted in each support frame 18, a nut 21 is coaxially and fixedly mounted at the top end of each lead screw 22, a sliding rod 20 is sleeved outside a shaft body of each lead screw 22 in a rotating manner, the sliding rod 20 is slidably clamped in a sliding groove 182, the sliding groove 182 is arranged in one side of each support frame 18 in a concave manner;
as shown in FIG. 1, a plurality of buffer springs 16 are fixedly installed at the top of the overturning platform 11, a plurality of buffer slide rods 15 are movably sleeved in the buffer springs 16, and a buffer frame 14 is fixedly installed at the top of the buffer slide rods 15. The fixing frame 2, the fixing block 6, the rack 7, the gear 8, the rotating shaft 9 and the limiting seat 10 are respectively provided with two parts and symmetrically arranged on two sides of the central line of the base 1. The two sides of the overturning platform 11 are completely consistent in structure.
As shown in FIG. 2, the top of the stopper seat 10 is provided with a circular arc concave surface 101, and the height of one side of the circular arc concave surface 101 is greater than that of the other side. The height of the left side of the arc-shaped concave surface 101 on the left side of the base 1 is greater than that of the right side, and the height of the right side of the arc-shaped concave surface 101 on the right side of the base 1 is greater than that of the left side
As shown in fig. 1, one side of the mounting block 17 is recessed with a screw hole 171, and the diameter of the screw hole 171 is equal to the diameter of the through hole 13.
As shown in fig. 3 and 4, a rubber strip 181 is fixedly mounted on the opposite side of the support frame 18 from the screw hole 171, and the support rod 19 and the slide rod 20 form an L-shaped structure. The number of the buffer frames 14 is two, each buffer frame 14 includes a buffer fixing frame 141, the bottom of the buffer fixing frame 141 is fixedly connected with a buffer sliding rod 15 and a buffer spring 16, and the top of the buffer fixing frame 141 is fixedly provided with a buffer rubber strip 142.
The working principle is as follows: when the invention is used, the tunnel segment is hung on the buffer frame 14, the buffer frame 14 on the overturning platform 11 can prevent the tunnel segment from directly impacting the overturning platform 11 when the tunnel segment is placed on the overturning platform 11, so as to play a role of buffering and avoid the damage of the tunnel segment, an operator installs the installation block 17 in the installation hole 12, uses a screw to pass through the through hole 13 and then fastens the screw in the screw hole 171, so that the installation block 17 is fixed, rotates the nut 21 to drive the screw rod 22 to rotate, and further adjusts the support rod 19 to a proper position, so that the invention can be suitable for tunnel segments with different sizes, after the support rod 19 is installed, when the overturning platform 11 is overturned to a vertical state, the upright tunnel segment is blocked by the support rod 19 and is not easy to automatically topple, thereby reducing the potential safety hazard during field construction, when the tunnel segment needs to be overturned to the right, the hydraulic cylinder 3 works to drive the limiting block 5 to move rightwards, the limiting block 5 drives the sliding rod 4 to move rightwards, the sliding rod 4 drives the two fixing blocks 6 to move rightwards, the racks 7 on the two fixing blocks 6 further drive the gear 8 to rotate, the gear 8 rotates to drive the rotating shaft 9 to rotate, the rotating shaft 9 further drives the overturning platform 11 to rotate to a vertical state, the overturning of the tunnel segment can be completed, when the left side overturning is needed, the hydraulic cylinder 3 retracts, the process reversely rotates, the left side overturning of the overturning platform 1 can be achieved, the overturning direction can be more diversified, and the using scenes are wider.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a prevent turning device of tunnel segment damage, includes two bases (1), its characterized in that: the top of the base (1) is fixedly provided with limiting seats (10), the top of each limiting seat (10) is rotatably provided with a rotating shaft (9), one side end part of each rotating shaft (9) is fixedly provided with a turnover table (11) and the other side end part is fixedly provided with a gear (8), the top end of each gear (8) is meshed with a rack (7), one side of each rack (7) is fixedly provided with a fixed block (6), one side of each fixed block (6) and the rotating shaft (9) form a vertical angle is fixedly provided with a sliding rod (4), the end part of each sliding rod (4) far away from the corresponding fixed block (6) slides to penetrate through the corresponding fixed frame (2) and is fixedly provided with a limiting block (5), the bottom of the corresponding fixed frame (2) is fixedly arranged at the top of the base (1), and one side of each limiting block (, the fixed end of the hydraulic cylinder (3) is fixedly arranged on the fixed frame (2);
mounting holes (12) are respectively concavely arranged in four corners of the top of the overturning platform (11), a through hole (13) penetrates through one side of each mounting hole (12), a mounting block (17) is fixedly mounted in each mounting hole (12) through a screw structure, a support frame (18) is fixedly mounted at the top of each mounting block (17), a lead screw (22) is rotatably mounted in each support frame (18), a nut (21) is coaxially and fixedly mounted at the top end of each lead screw (22), a sliding rod (20) is rotatably sleeved outside a shaft body of each lead screw (22), each sliding rod (20) is slidably clamped in each sliding groove (182), each sliding groove (182) is concavely arranged on one side of each support frame (18), and a support rod (19) is fixedly mounted at the end part, far away from the corresponding lead screw (22), of each sliding rod (20;
the top of roll-over table (11) fixed mounting has a plurality of buffer spring (16), a plurality of buffering slide bars (15) have been cup jointed in buffer spring (16) internalization, the top fixed mounting of buffering slide bar (15) has buffer frame (14).
2. The apparatus of claim 1, wherein the turning device for preventing the tunnel segment from being damaged comprises: the fixing frame (2), the fixing block (6), the rack (7), the gear (8), the rotating shaft (9) and the limiting seat (10) are respectively provided with two parts and symmetrically arranged on two sides of the central line of the base (1).
3. The apparatus of claim 1, wherein the turning device for preventing the tunnel segment from being damaged comprises: the structures of the two sides of the overturning platform (11) are completely consistent.
4. The apparatus of claim 1, wherein the turning device for preventing the tunnel segment from being damaged comprises: the top of the limiting seat (10) is provided with a circular arc concave surface (101), and the height of one side of the circular arc concave surface (101) is larger than that of the other side.
5. A turning device for preventing damage to tunnel segments according to claim 4, wherein: the height of the left side of the circular arc-shaped concave surface (101) on the left side of the base (1) is greater than that of the right side of the base, and the height of the right side of the circular arc-shaped concave surface (101) on the right side of the base (1) is greater than that of the left side of the base.
6. The apparatus of claim 1, wherein the turning device for preventing the tunnel segment from being damaged comprises: one side of the mounting block (17) is concavely provided with a screw hole (171), and the aperture of the screw hole (171) is equal to that of the through hole (13).
7. The apparatus according to claim 6, wherein the turning device comprises: the rubber strip (181) is fixedly mounted on the opposite side of the support frame (18) and the screw hole (171), and the support rod (19) and the sliding rod (20) form an L-shaped structure.
8. The apparatus of claim 1, wherein the turning device for preventing the tunnel segment from being damaged comprises: buffer frame (14) are equipped with two respectively, buffer frame (14) are including buffering mount (141), the bottom fixedly connected with buffering slide bar (15) and buffer spring (16) of buffering mount (141), the top fixed mounting of buffering mount (141) has buffering rubber strip (142).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110201209.4A CN112873523A (en) | 2021-02-23 | 2021-02-23 | Prevent turning device of tunnel segment damage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110201209.4A CN112873523A (en) | 2021-02-23 | 2021-02-23 | Prevent turning device of tunnel segment damage |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112873523A true CN112873523A (en) | 2021-06-01 |
Family
ID=76053808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110201209.4A Pending CN112873523A (en) | 2021-02-23 | 2021-02-23 | Prevent turning device of tunnel segment damage |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112873523A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113513339A (en) * | 2021-08-10 | 2021-10-19 | 阜阳市晶宫工业科技有限公司 | Assembling device and assembling method for tunnel segments |
CN113530578A (en) * | 2021-08-10 | 2021-10-22 | 颍上晶宫绿建节能建筑有限责任公司 | Tunnel segment installation mechanism and installation method thereof |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20070078150A (en) * | 2006-01-26 | 2007-07-31 | 한국몰드(주) | Reversal device for tunnel concrete block segment |
CN209319336U (en) * | 2018-11-22 | 2019-08-30 | 天津市中能电力科技有限公司 | A kind of pipe fitting processing hydraulic-driven clamp fixture |
CN209740653U (en) * | 2019-04-24 | 2019-12-06 | 山西交通职业技术学院 | panel turning device for tunnel construction |
CN110566760A (en) * | 2019-09-11 | 2019-12-13 | 吴琳方 | Light integral crankshaft engine fixing device |
CN210209995U (en) * | 2019-08-02 | 2020-03-31 | 新昌县仁远轴承有限公司 | Turnover device for bearing processing |
CN111747136A (en) * | 2020-07-17 | 2020-10-09 | 昆山同日工业自动化有限公司 | Bidirectional overturning weighing feeding machine |
-
2021
- 2021-02-23 CN CN202110201209.4A patent/CN112873523A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20070078150A (en) * | 2006-01-26 | 2007-07-31 | 한국몰드(주) | Reversal device for tunnel concrete block segment |
CN209319336U (en) * | 2018-11-22 | 2019-08-30 | 天津市中能电力科技有限公司 | A kind of pipe fitting processing hydraulic-driven clamp fixture |
CN209740653U (en) * | 2019-04-24 | 2019-12-06 | 山西交通职业技术学院 | panel turning device for tunnel construction |
CN210209995U (en) * | 2019-08-02 | 2020-03-31 | 新昌县仁远轴承有限公司 | Turnover device for bearing processing |
CN110566760A (en) * | 2019-09-11 | 2019-12-13 | 吴琳方 | Light integral crankshaft engine fixing device |
CN111747136A (en) * | 2020-07-17 | 2020-10-09 | 昆山同日工业自动化有限公司 | Bidirectional overturning weighing feeding machine |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113513339A (en) * | 2021-08-10 | 2021-10-19 | 阜阳市晶宫工业科技有限公司 | Assembling device and assembling method for tunnel segments |
CN113530578A (en) * | 2021-08-10 | 2021-10-22 | 颍上晶宫绿建节能建筑有限责任公司 | Tunnel segment installation mechanism and installation method thereof |
CN113513339B (en) * | 2021-08-10 | 2024-02-06 | 阜阳市晶宫工业科技有限公司 | Splicing device and splicing method for tunnel duct pieces |
CN113530578B (en) * | 2021-08-10 | 2024-04-09 | 颍上晶宫绿建节能建筑有限责任公司 | Tunnel segment installation mechanism and installation method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112873523A (en) | Prevent turning device of tunnel segment damage | |
WO2022262198A1 (en) | Positioning and overturning device for steel member processing | |
CN203636568U (en) | End socket polisher | |
CN213188953U (en) | Traditional culture show experience device | |
CN115626483B (en) | Trigger of putting with anchor clamps quick detach structure | |
CN206840048U (en) | A kind of working position apparatus frame | |
CN214561837U (en) | Tunnel is turning device for section of jurisdiction | |
CN211441630U (en) | Side V-shaped plate lifting device for V-shaped manuscript table | |
CN207542958U (en) | The quick tipper of stator | |
CN105424713A (en) | Part surface quality detection device capable of moving, lifting and rotating | |
CN112850594A (en) | Multistage lifting device | |
CN221640860U (en) | Lifting type adjustable die carrier | |
CN114457718B (en) | Portable warning sign of municipal public works construction | |
CN221665434U (en) | Pipeline supporting device for building construction | |
CN221458469U (en) | Model box with protective structure for hydrogeology research | |
CN215987723U (en) | Teaching display device for environment art design major | |
CN205317681U (en) | Portable lifting and drop rotating's part surface quality detection device | |
CN221027570U (en) | High street lamp installation device of stability | |
CN213438512U (en) | Anti-shaking discharging device for steel | |
CN215880738U (en) | Height-adjustable supporting device of turret milling machine for machining mounting block | |
CN216470684U (en) | Can realize platform of plugging into of material temporary storage | |
CN211118303U (en) | Semiconductor equipment removes strutting arrangement | |
CN112719896B (en) | Street lamp processing cutting device | |
CN221190247U (en) | Special carousel of high accuracy electric motor car assembly line | |
CN216074861U (en) | Adjustable height limiting equipment for municipal road |
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: 20210601 |
|
RJ01 | Rejection of invention patent application after publication |