CN213174746U - Climb frame that possesses aluminum alloy scaffold board end seal pipe - Google Patents
Climb frame that possesses aluminum alloy scaffold board end seal pipe Download PDFInfo
- Publication number
- CN213174746U CN213174746U CN202020912617.1U CN202020912617U CN213174746U CN 213174746 U CN213174746 U CN 213174746U CN 202020912617 U CN202020912617 U CN 202020912617U CN 213174746 U CN213174746 U CN 213174746U
- Authority
- CN
- China
- Prior art keywords
- pipe wall
- pipe
- end sealing
- wall
- scaffold board
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses a possess frame of climbing that aluminium alloy scaffold board end sealed pipe, including scaffold board, scaffold board is put up the back by a plurality of built-up parts and is welded integratively together, and a plurality of built-up parts are aluminium alloy extrusion section finished piece, and a plurality of built-up parts include: the two side plates, the at least one middle plate and the two end sealing pipes are arranged on the two side plates; the end sealing pipe comprises an inner pipe wall and an outer pipe wall which are oppositely arranged, the inner pipe wall of each end sealing pipe faces the inner pipe wall of the other end sealing pipe, the outer pipe wall of each end sealing pipe is sunken into the inner pipe wall to form a welding groove, and the welding groove is arranged along the length of the end sealing pipe; two curb plates splice side by side with at least one intermediate lamella, and the overall structure's that forms after splicing side by side both ends seal the pipe concatenation with two ends respectively and carry out welded fastening to the splice department in the welding ditch inslot, the utility model discloses the reduction welding work volume that can be very big, the end seals the pipe and is the tubular structure, can improve the intensity of scaffold board, and in addition after the welding, the solder joint can not be obtrusive.
Description
Technical Field
The utility model relates to a building field especially relates to a possess frame of climbing that aluminum alloy scaffold board end sealed pipe.
Background
At present, scaffold boards of climbing frames of high-rise buildings are all made of steel products, and the scaffold boards meet certain strength in structure, are heavy and are high in labor intensity of installation workers. Meanwhile, the scaffold board is heavy, so that the lifting power is high. Although there are also scaffold boards using aluminum alloy, the strength is insufficient.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, provide a possess the frame of climbing of aluminum alloy scaffold board end seal pipe.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a structure one kind possesses frame of climbing that aluminium alloy scaffold board end sealed tube, includes guide rail, pole setting, protection network and multilayer scaffold board, scaffold board is put together by a plurality of built-up members and is welded integrative, and a plurality of built-up members are aluminium alloy extrusion section finished piece, a plurality of built-up members include: the two side plates, the at least one middle plate and the two end sealing pipes are arranged on the two side plates; the end sealing pipes comprise inner pipe walls and outer pipe walls which are arranged oppositely, the inner pipe wall of each end sealing pipe faces the inner pipe wall of the other end sealing pipe, the outer pipe wall of each end sealing pipe is sunken into the inner pipe wall to form a welding groove, and the welding grooves are arranged along the length of each end sealing pipe; the two side plates and the at least one middle plate are spliced side by side, and two ends of an overall structure formed after the side by side splicing are respectively spliced with the two end seal pipes and welded and fixed at the splicing part in a welding groove.
Preferably, the lower surface of the middle plate and the lower surface of the side plate are respectively and vertically provided with mounting strips extending along respective length directions, a plurality of mounting gaps corresponding to the mounting strips in number are formed in the end sealing pipes, and two ends of each mounting strip are respectively inserted into the mounting gaps of the two end sealing pipes and then are welded and fixed.
Preferably, the end sealing pipe further comprises a top pipe wall and a bottom pipe wall which are arranged oppositely, the top pipe wall is connected between the top edge of the inner pipe wall and the top edge of the outer pipe wall, the bottom pipe wall is connected between the bottom edge of the inner pipe wall and the bottom edge of the outer pipe wall, the installation gap sequentially spans the outer pipe wall, the top pipe wall and the inner pipe wall, and the part of the installation gap distributed on the outer pipe wall spans the welding groove.
Preferably, the cross section of the mounting bar is in an inverted T shape, and the projections of the part of the mounting gap distributed on the inner pipe wall and the part of the mounting gap distributed on the outer pipe wall on the inner pipe wall are in the inverted T shape.
Preferably, the both sides of intermediate lamella, the curb plate all have the lock structure with one side that the intermediate lamella is connected, all pass through between the adjacent intermediate lamella, between intermediate lamella and the curb plate the amalgamation equipment is realized to the mutual lock of lock structure, be provided with on the top pipe wall and be used for setting up the mounting groove of lock structure.
Preferably, the end pipe sealing further comprises a reinforcing rib plate simultaneously connected with the inner pipe wall and the outer pipe wall, and the reinforcing rib plate is located between the top pipe wall and the bottom pipe wall.
Preferably, a row of pipe sealing assembly holes are distributed in the inner side pipe wall and the outer side pipe wall along the length direction of the pipe sealing assembly holes, and the pipe sealing assembly holes in the inner side pipe wall and the pipe sealing assembly holes in the outer side pipe wall are arranged in a one-to-one opposite mode.
Preferably, the other side of the side plate opposite to the side connected with the middle plate is provided with a frame body part, the frame body parts are all provided with a row of side plate assembling holes along the length direction of the frame body parts, the assembling parts further comprise rectangular frames arranged in parallel with the two end plates, and the rectangular frames are arranged on the mounting bar and connected between the frame body parts of the two side plates.
Preferably, the upper surfaces of the middle plate and the side plates are respectively provided with a projecting anti-slip strip parallel to the length direction.
The utility model discloses a possess the frame of climbing that aluminum alloy scaffold board end sealed the pipe has following beneficial effect: the whole scaffold board is formed by splicing a plurality of assembly parts together and then welding the assembly parts into a whole, so that the assembly parts are all aluminum alloy extruded section products, and the strength of the scaffold board obtained in the way is better than that of a common aluminum alloy scaffold board; moreover, the assembly parts are assembled and then welded, so that the welding workload can be greatly reduced; more importantly, the end sealing pipe is of a tubular structure, so that the strength of the scaffold board can be improved, and the outer side pipe wall of the end sealing pipe is provided with a welding groove, so that a welding spot is not obtrusive after welding.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts:
FIG. 1 is one of the schematic structural views of a scaffold board;
FIG. 2 is a second schematic view of the structure of the scaffold board;
FIG. 3 is a schematic structural view of the middle plate and the side plates after being spliced;
FIG. 4 is one of the schematic structural views of the tip seal;
FIG. 5 is a second schematic view of the structure of the end cap.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Exemplary embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the embodiments and specific features in the embodiments of the present invention are described in detail in the present application, but not limited to the present application, and the technical features in the embodiments and specific features in the embodiments of the present invention can be combined with each other without conflict.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The terms including ordinal numbers such as "first", "second", and the like used in the present specification may be used to describe various components, but the components are not limited by the terms. These terms are used only for the purpose of distinguishing one constituent element from other constituent elements. For example, a first component may be named a second component, and similarly, a second component may also be named a first component, without departing from the scope of the present invention.
The utility model discloses a possess climbing frame of aluminum alloy scaffold board end sealing tube includes guide rail, pole setting, protection network, crossbeam and multilayer scaffold board etc. and the direction of arranging of multilayer scaffold board is all unanimous with the length direction of guide rail and pole setting, and the guide rail setting is in the inboard of multilayer scaffold board, two rows of pole settings distribute and connect in the inboard and the outside of multilayer scaffold board, each row of pole setting is all followed the length direction of scaffold board arranges, be connected with between two adjacent pole settings in the outside of multilayer scaffold board the protection network. Structures such as guide rails, vertical rods, protective nets and cross beams are also the prior art in the field, and are not described in detail herein. The utility model discloses mainly improve the scaffold board.
Referring to fig. 1-3, fig. 1 is generally a top view, fig. 2 is generally a bottom view, the scaffold board is assembled together and welded together by a plurality of assembly members, and the assembly members are aluminum alloy extruded sectional members, the assembly members include: the device comprises a left side plate, a right side plate 1, at least one middle plate 2, a front end sealing pipe and a rear end sealing pipe 3.
Referring to fig. 4-5, the end seals 3 include inner and outer walls 33 and 31 disposed opposite to each other, the inner wall 33 of each end seal 3 faces the inner wall 33 of the other end seal 3, and the outer wall 31 of each end seal 3 is recessed into the inner wall 33 to form a welding groove 39, wherein the welding groove 39 is disposed along the length of the end seal 3.
With continued reference to fig. 1-3, the two side plates 1 and the at least one middle plate 2 are spliced side by side, all the middle plates 2 are spliced between the two side plates 1, and both ends of the overall structure formed by splicing all the middle plates 2 and the two side plates 1 side by side are respectively spliced with the two end sealing pipes 3 and welded and fixed at the spliced part in the welding groove 39. In this embodiment, after the middle plate 2 and the two side plates 1 are spliced side by side, the upper surfaces of the two side plates 1 and the upper surface of the middle plate 2 are spliced to form a bearing surface, and the size of the bearing surface is equivalent to that of an industrial scaffold board. The bearing surface of the existing scaffold board is provided by a single board, so the scaffold board has larger size and is not suitable for adopting aluminum alloy extruded sectional products.
In the present embodiment, the number of the intermediate plates 2 is preferably two, theoretically, one intermediate plate 2 is also feasible, but the volume of one intermediate plate 2 is relatively large, and the effect is not particularly good when the intermediate plate is extruded, and in addition, the number of the intermediate plates 2 may be three, four, and the like, but the larger the number is, the more the assembling process is, so the present embodiment is an effect of the comprehensive extrusion and a comprehensive consideration of the process, and the number of the intermediate plates 2 is set to two.
Specifically, the other side of the side plate 1 opposite to the side connected with the middle plate 2 is provided with a frame body part 101, the frame body part 101 is provided with a row of side plate assembly holes along the length direction of the frame body part 101, and the upper surfaces of the middle plate 2 and the side plate 1 are respectively protruded with anti-slip strips 7 parallel to the length direction of the middle plate and the side plate. The both sides of intermediate lamella 2, the curb plate 1 all have the lock structure with one side that intermediate lamella 2 is connected, all pass through between the adjacent intermediate lamella 2, between intermediate lamella 2 and the curb plate 1 the amalgamation equipment is realized to the mutual lock of lock structure. For example, in the present embodiment, the body of the first intermediate plate 2 is substantially plate-shaped, and the engaging structures on both sides thereof are the same, and are both the first engaging portions 5 a. The body of the second middle plate 2 is roughly a plate, the buckling structures on two sides of the body are different, namely a first buckling part 5a and a second buckling part 5b, the structures of the two side plates 1 are the same, the buckling structure on one side of each side plate 1 is the second buckling part 5b, and the first buckling part 5a and the second buckling part 5b can be buckled with each other. That is, in this embodiment, the two first engaging portions 5a of the first middle plate 2 are engaged with the second engaging portion 5b of the left side plate 1 and the second engaging portion 5b of the second middle plate 2, respectively; the first buckling part 5a of the second middle plate 2 is buckled with the second buckling part 5b of the right side plate 1, so that the two middle plates 2 and the two side plates 1 are spliced to form a whole.
More specifically, the first engaging portion 5a is formed to extend vertically downward from the lower surface side of the middle plate 2. The second buckling part 5b is formed by vertically extending downwards from one side of the lower surface of the middle plate 2/side plate 1, horizontally extending towards the direction deviating from the other side of the lower surface and vertically extending upwards. In the present embodiment, the lower surface of the middle plate 2 and the lower surface of the side plate 1 are both surfaces facing the respective upper surfaces.
It can be understood that the structures of the first buckling part 5a and the second buckling part 5b in any pair of buckling parts can be exchanged, and these are all simple variants belonging to the present embodiment, and are all within the protection scope of the present invention. For example, the two side plates 1 in this embodiment have the same structure, and their fastening portions are both the second fastening portions 5b, and actually, their fastening portions may be both the first fastening portions 5a, or one may be the first fastening portion 5a and the other may be the second fastening portion 5 b. In the same way, the middle plates 2 are also the same, and only the buckling parts on the sides of the two adjacent middle plates 2 need to be ensured to be mutually buckled, and the buckling parts on the sides of the middle plates 2 on the most edges can be mutually buckled with the buckling parts on the sides of the side plates 1, in all, the buckling parts of the two assembling parts which are mutually spliced only need to be ensured to be mutually matched.
Wherein, after two intermediate plates 2 and two side plates 1 are assembled, the two intermediate plates and the two side plates need to be assembled with an end sealing pipe 3. For this reason, the lower surface of the middle plate 2 and the lower surface of the side plate 1 are respectively and vertically provided with a mounting bar 6 extending along the respective length direction, the section of the mounting bar 6 is in an inverted T shape, that is, the mounting bar 6 comprises a vertical part and a horizontal part, and the vertical part is vertically connected with the lower surfaces of the middle plate 2 and the side plate 1.
With continued reference to fig. 4-5, in particular, the tip packings 3 further include top and bottom walls 32, 34 disposed opposite one another, the top wall 32 being connected between the top edge of the inner wall 33 and the top edge of the outer wall 31, and the bottom wall 34 being connected between the bottom edge of the inner wall 33 and the bottom edge of the outer wall 31. The inner pipe wall 33 and the outer pipe wall 31 are both provided with a row of pipe sealing assembling holes 36 along the length direction of the inner pipe wall 33 and the outer pipe wall 31, and the pipe sealing assembling holes 36 on the inner pipe wall 33 and the pipe sealing assembling holes 36 on the outer pipe wall 31 are arranged in a one-to-one opposite mode. Preferably, the end seal 3 further comprises a reinforcing rib 35 connecting the inner pipe wall 33 and the outer pipe wall 31 at the same time, and the reinforcing rib 35 is located between the top pipe wall 32 and the bottom pipe wall 34.
A plurality of mounting gaps 38 corresponding to the mounting strips 6 in number are formed in the end sealing pipe 3, and the two ends of the mounting strips 6 are respectively inserted into the mounting gaps 38 of the two end sealing pipes 3 and then welded and fixed. Specifically, the mounting gap 38 sequentially spans the outer tube wall 31, the top tube wall 32, and the inner tube wall 33, and the portion of the mounting gap 38 distributed on the outer tube wall 31 spans the welding groove 39.
Since the cross section of the mounting bar 6 is inverted T-shaped, the projections of the portion of the mounting slit 38 distributed on the inner tube wall 33 and the portion distributed on the outer tube wall 31 on the inner tube wall 33 are inverted T-shaped. In addition, the top tube wall 32 is provided with a mounting groove 37 for mounting the fastening structure (i.e., the first fastening portion 5a and the second fastening portion 5 b).
When two intermediate lamella 2, the overall structure's after two curb plate 1 equipment both ends respectively with two end seal pipe 3 assemble, the both ends of first buckling parts 5a, second buckling parts 5b all set up respectively in the mounting groove 37 of two end seal pipes 3, during the both ends of mounting bar 6 inserted the installation gap 38 of two end seal pipes 3 respectively, then carry out welded fastening to mounting bar 6 in welding slot 39.
Preferably, the plurality of assemblies further include a rectangular frame 4 disposed in parallel with the two end plates, the rectangular frame 4 being disposed on the mounting bar 6 and connected between the frame portions 101 of the two side plates 1, the rectangular frame 4 serving to improve the strength of the entire scaffold plate.
To sum up, the utility model discloses a possess climbing frame of aluminum alloy scaffold board end sealing tube has following beneficial effect: the whole scaffold board is formed by splicing a plurality of assembly parts together and then welding the assembly parts into a whole, so that the assembly parts are all aluminum alloy extruded section products, and the strength of the scaffold board obtained in the way is better than that of a common aluminum alloy scaffold board; moreover, the assembly parts are assembled and then welded, so that the welding workload can be greatly reduced; more importantly, the end sealing pipe is of a tubular structure, so that the strength of the scaffold board can be improved, and the outer side pipe wall of the end sealing pipe is provided with a welding groove, so that a welding spot is not obtrusive after welding.
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (9)
1. The utility model provides a possess frame of climbing that aluminium alloy scaffold board end sealed tube which characterized in that, includes guide rail, pole setting, protection network and multilayer scaffold board, the scaffold board is put together by a plurality of built-up members and is welded integratively, just a plurality of built-up members are aluminium alloy extrusion section material finished piece, a plurality of built-up members include: the two side plates, the at least one middle plate and the two end sealing pipes are arranged on the two side plates; the end sealing pipes comprise inner pipe walls and outer pipe walls which are arranged oppositely, the inner pipe wall of each end sealing pipe faces the inner pipe wall of the other end sealing pipe, the outer pipe wall of each end sealing pipe is sunken into the inner pipe wall to form a welding groove, and the welding grooves are arranged along the length of each end sealing pipe; the two side plates and the at least one middle plate are spliced side by side, and two ends of an overall structure formed after the side by side splicing are respectively spliced with the two end seal pipes and welded and fixed at the splicing part in a welding groove.
2. The climbing frame according to claim 1, wherein the lower surface of the middle plate and the lower surfaces of the side plates are respectively and vertically provided with mounting bars extending along respective length directions, a plurality of mounting gaps corresponding to the number of the mounting bars are formed in the end sealing pipes, and two ends of the mounting bars are respectively inserted into the mounting gaps of the two end sealing pipes and then are welded and fixed.
3. The climbing frame according to claim 2, wherein the end sealing tube further comprises a top tube wall and a bottom tube wall which are oppositely arranged, the top tube wall is connected between the top edge of the inner tube wall and the top edge of the outer tube wall, the bottom tube wall is connected between the bottom edge of the inner tube wall and the bottom edge of the outer tube wall, the mounting gap sequentially spans the outer tube wall, the top tube wall and the inner tube wall, and the part of the mounting gap distributed on the outer tube wall spans the welding groove.
4. The climbing frame according to claim 3, wherein the cross section of the mounting bar is in an inverted T shape, and the projections of the part of the mounting gap distributed on the inner pipe wall and the part distributed on the outer pipe wall on the inner pipe wall are in an inverted T shape.
5. The climbing frame according to claim 3, wherein the two sides of the middle plate and the side of the side plate connected with the middle plate are respectively provided with a buckling structure, the adjacent middle plates and the side plates are assembled by buckling the buckling structures with each other, and the top pipe wall is provided with a mounting groove for arranging the buckling structures.
6. The climbing frame according to claim 3, wherein the end sealing pipe further comprises a reinforcing rib plate simultaneously connecting the inner pipe wall and the outer pipe wall, and the reinforcing rib plate is located between the top pipe wall and the bottom pipe wall.
7. The creeper of claim 3, wherein a row of pipe sealing assembly holes are arranged in the inner pipe wall and the outer pipe wall along the length direction of the inner pipe wall and are arranged opposite to the pipe sealing assembly holes in the outer pipe wall.
8. The creel of claim 2, wherein the side of the side plates opposite to the side connected with the middle plate is provided with a frame body part, the frame body parts are respectively provided with a row of side plate assembling holes along the length direction of the frame body part, the plurality of assembling parts further comprise a rectangular frame arranged in parallel with the two end plates, and the rectangular frame is arranged on the mounting bar and connected between the frame body parts of the two side plates.
9. The climbing frame according to claim 1, wherein the upper surfaces of the middle plate and the side plates are respectively provided with a projecting anti-slip strip parallel to the length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020912617.1U CN213174746U (en) | 2020-05-26 | 2020-05-26 | Climb frame that possesses aluminum alloy scaffold board end seal pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020912617.1U CN213174746U (en) | 2020-05-26 | 2020-05-26 | Climb frame that possesses aluminum alloy scaffold board end seal pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213174746U true CN213174746U (en) | 2021-05-11 |
Family
ID=75785478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020912617.1U Expired - Fee Related CN213174746U (en) | 2020-05-26 | 2020-05-26 | Climb frame that possesses aluminum alloy scaffold board end seal pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213174746U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278076A (en) * | 2021-12-27 | 2022-04-05 | 河南永顺建设工程有限公司 | Stores pylon for construction |
-
2020
- 2020-05-26 CN CN202020912617.1U patent/CN213174746U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278076A (en) * | 2021-12-27 | 2022-04-05 | 河南永顺建设工程有限公司 | Stores pylon for construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110792170A (en) | Reinforced connecting node structure of box type integrated building module and installation method thereof | |
| CN213174746U (en) | Climb frame that possesses aluminum alloy scaffold board end seal pipe | |
| CN209855206U (en) | Scaffold board | |
| CN210421448U (en) | Connection node of assembled girder and two side secondary girders | |
| JPH07243239A (en) | Building unit frame | |
| CN209855205U (en) | Scaffold board | |
| CN210947693U (en) | Scaffold board | |
| CN218234016U (en) | Concrete skeleton structure made of composite connecting assembly | |
| KR101552336B1 (en) | ladder structure for aerial ladder vehicle | |
| CN215290984U (en) | Assembled steel construction roof truss | |
| CN213174139U (en) | Box module and modular building | |
| CN213174722U (en) | Side board type scaffold board climbing frame | |
| CN212956957U (en) | Prefabricated assembled steel structure | |
| CN110029740B (en) | Flush type wall beam connecting node of embedded connecting frame and wall surface | |
| CN210049395U (en) | Transverse steel bar and stud combined embedded wall beam connecting node | |
| CN210049394U (en) | Flush type wall beam connecting node of embedded connecting frame and wall surface | |
| CN210164092U (en) | Transverse steel bar welding and longitudinal connecting bar crossed pre-embedded wall beam connecting node | |
| CN210947697U (en) | Turning plate structure of connecting plate | |
| CN210052987U (en) | Concatenation formula power cabinet | |
| CN210032084U (en) | Modularization steel structure node | |
| CN208039587U (en) | A kind of purlin structure in flexible cable structure | |
| CN110644657A (en) | Transverse long-span unit type curtain wall system | |
| CN214152616U (en) | Framework assembling structure of transformer shell | |
| CN211007052U (en) | Cold-formed thin-walled profile occluded rectangular steel and light steel keel | |
| CN219952651U (en) | Fixed slot type protective net for climbing frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210511 |