CN219690835U - Aluminum plate curtain wall structure with small glue line - Google Patents
Aluminum plate curtain wall structure with small glue line Download PDFInfo
- Publication number
- CN219690835U CN219690835U CN202320415659.8U CN202320415659U CN219690835U CN 219690835 U CN219690835 U CN 219690835U CN 202320415659 U CN202320415659 U CN 202320415659U CN 219690835 U CN219690835 U CN 219690835U
- Authority
- CN
- China
- Prior art keywords
- plate
- connection
- vertical
- transverse
- corner connector
- 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.)
- Active
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 63
- 239000003292 glue Substances 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 238000009957 hemming Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 14
- 229910000838 Al alloy Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model provides a small-glue-line aluminum plate curtain wall structure, and relates to the technical field of curtain walls. The aluminum plate is provided with a flanging part, the aluminum plate further comprises a transverse connection assembly and a vertical connection assembly, the transverse connection assembly is connected with the transverse steel keel through a first transverse connection angle code, other structures are not connected at the moment, enough installation space can be provided for the first transverse connection angle code, the vertical connection assembly is connected with the vertical steel keel through the first vertical connection angle code, other structures are not connected at the moment, enough installation space can be provided for the first vertical connection angle code, then the four sides of each aluminum plate are fixed, at the moment, no matter between two adjacent aluminum plates in the horizontal direction or between two adjacent aluminum plates in the vertical direction, gaps can be small enough, and the requirements of a designer on the simplicity and the fineness of glue joints can be met.
Description
Technical Field
The utility model relates to the technical field of curtain walls, in particular to a small-glue-line aluminum plate curtain wall structure.
Background
The traditional aluminum plate curtain wall is characterized in that the aluminum plate is required to be bent to form 20 folds, round corners are arranged at the bending positions, aluminum alloy corner joints are fixed at the 20 folds, stainless steel screws are generally adopted to fix the aluminum alloy corner joints on steel keels, two sides of each adjacent aluminum plate, which are close to each other, are fixed on the same steel keels by adopting the aluminum alloy corner joints placed in a staggered mode, and meanwhile, the space between two adjacent aluminum plates is required to be filled by glue joints.
The present inventors found that there are at least the following technical problems in the prior art: because the position that uses stainless steel screw to connect is also exactly the glue line position between two adjacent aluminum plates, when adopting stainless steel screw to fix aluminum alloy angle sign indicating number on the steel joist, need great installation space just can use mounting tool to install stainless steel screw, lead to reserving great installation space from this, reserve great installation space and mean that glue line needs to do very widely, however present mainstream designer all pursues succinct tiny glue line, with the outward appearance that is more pleasing to the eye and fashion to the greatest extent, obviously wider glue line does not accord with current design style.
Disclosure of Invention
The utility model aims to provide a small glue joint aluminum plate curtain wall structure, which solves the technical problem that a large installation space is required to be reserved when an aluminum alloy corner brace is fixed in the prior art, so that a glue joint between two adjacent aluminum plates is wider. The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a small glue line aluminum plate curtain wall structure, includes aluminum plate, horizontal steel joist and vertical steel joist, aluminum plate's four sides all are provided with hem portion, still include horizontal coupling assembling and vertical coupling assembling;
the transverse connection assembly comprises a first transverse connection angle code and a second transverse connection angle code, the first transverse connection angle code is respectively connected with the folded edge parts corresponding to the top edges of the transverse steel keels and the aluminum plates, and the second transverse connection angle code is detachably connected with the first transverse connection angle code and is connected with the folded edge part corresponding to the bottom edge of the other adjacent aluminum plate;
the vertical connecting assembly comprises a first vertical connecting corner connector and a second vertical connecting corner connector, the first vertical connecting corner connector is respectively connected with the folding edge parts corresponding to the side edges of the vertical steel keels and the aluminum plates, and the second vertical connecting corner connector is detachably connected with the first vertical connecting corner connector and is connected with the folding edge parts corresponding to the side edges of the aluminum plates adjacent to the other one.
Preferably, the first transverse connection angle code comprises a first connection plate and a second connection plate which are vertically connected, the first connection plate is connected with the transverse steel keels, the second connection plate is horizontally arranged, and the second connection plate is detachably connected with the second transverse connection angle code and is connected with the flanging part.
Preferably, the second transverse connection angle code comprises a third connection plate and a fourth connection plate which are vertically connected, a slot is formed in the second connection plate, the third connection plate and the slot form plug-in connection, and the fourth connection plate is connected with the edge folding portion.
Preferably, the second connecting plate is provided with a protruding portion, the protruding portion is located between the slot and the first connecting plate, the third connecting plate is correspondingly provided with a hook portion, and the hook portion can be blocked by the protruding portion to limit the third connecting plate to continuously move downwards when the third connecting plate is inserted into the slot.
Preferably, the first vertical connection angle code comprises a fifth connection plate, a sixth connection plate and a first connection part, the fifth connection plate is connected with the vertical steel keels, two ends of the fifth connection plate are respectively connected with the sixth connection plate and the first connection part, the sixth connection plate is connected with the edge folding part, and the first connection part is detachably connected with the second vertical connection angle code.
Preferably, the second vertical connecting corner bracket comprises a seventh connecting plate and a second connecting portion, the seventh connecting plate is connected with the flanging portion, and the second connecting portion is spliced with the first connecting portion.
Preferably, the first connecting plate and the transverse steel keels are connected through bolts.
Preferably, the fifth connecting plate and the vertical steel keels are connected through bolts.
The beneficial effects of the utility model are as follows: the transverse connection assembly is connected with the transverse steel joist through the first transverse connection corner connector, and other structural objects are not connected at the moment, so that a large enough installation space can be provided for the first transverse connection corner connector, and the problem that the gap between two adjacent aluminum plates in the vertical direction is too large due to reserved installation space is avoided;
the vertical connecting assembly is connected with the vertical steel keels through the first vertical connecting corner connector, at the moment, other structures are not connected, and enough installation space can be provided for the first vertical connecting corner connector, so that the problem that the gap between two adjacent aluminum plates in the horizontal direction is overlarge due to reserved installation space is avoided;
after the first transverse connection angle code and the first vertical connection angle code are fixed, the aluminum plate connected with the second transverse connection angle code and the second vertical connection angle code and the first transverse connection angle code are detachably connected, four sides of each aluminum plate are fixed, at the moment, no matter between two adjacent aluminum plates in the horizontal direction or between two adjacent aluminum plates in the vertical direction, gaps can be small enough, and the requirement of a designer on simplicity and fineness of a glue joint can be met.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a side cross-sectional view of the present utility model;
FIG. 2 is a top cross-sectional view of the present utility model;
FIG. 3 is a detailed block diagram of the junction of FIG. 1;
FIG. 4 is a detail view of the junction of FIG. 2;
FIG. 5 is a detail view of the structure with the boss and the hook;
in the figure, 1, an aluminum plate; 11. a hemming section;
2. a transverse steel keel;
3. vertical steel keels;
4. a transverse connection assembly; 41. the first transverse connecting corner brace; 411. a first connection plate; 412. a second connecting plate; 4121. a slot; 4122. a boss; 42. the second transverse connecting corner brace; 421. a third connecting plate; 4211. a hook part; 422. a fourth connecting plate;
5. a vertical connection assembly; 51. the first vertical connecting corner brace; 511. a fifth connecting plate; 512. a sixth connecting plate; 513. a first connection portion; 52. the second vertical connecting corner brace; 521. a seventh connecting plate; 522. and a second connecting part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
In the description of the present utility model, it should be understood that the terms "center", "side", "length", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 1 are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
Referring to fig. 1 to 5, the utility model provides a small glue joint aluminum plate curtain wall structure, which comprises aluminum plates 1, transverse steel keels 2 and vertical steel keels 3, wherein four edges of the aluminum plates 1 are respectively provided with a folded edge part 11, in curtain wall calculation, the four folded edge parts 11 are required to bear wind load, the folded edge parts 11 corresponding to the top edge mainly bear the gravity load of the aluminum plates 1, and in actual curtain wall engineering construction, a plurality of aluminum plates 1 are uniformly distributed in the horizontal direction and the vertical direction;
the small glue line aluminum plate curtain wall structure also comprises a transverse connecting component 4 and a vertical connecting component 5;
the transverse connection assembly 4 comprises a first transverse connection corner bracket 41 and a second transverse connection corner bracket 42, wherein the first transverse connection corner bracket 41 is respectively connected with the flange parts 11 corresponding to the top edges of the transverse steel keels 2 and the aluminum plates 1, and the second transverse connection corner bracket 42 is detachably connected with the first transverse connection corner bracket 41 and is connected with the flange part 11 corresponding to the bottom edge of the other adjacent aluminum plate 1;
the vertical connecting assembly 5 comprises a first vertical connecting corner bracket 51 and a second vertical connecting corner bracket 52, the first vertical connecting corner bracket 51 is respectively connected with the corresponding edge folding part 11 of the side edges of the vertical steel keels 3 and the aluminum plates 1, and the second vertical connecting corner bracket 52 is detachably connected with the first vertical connecting corner bracket 51 and is connected with the corresponding edge folding part 11 of the side edge of the other adjacent aluminum plate 1;
the transverse connection assembly 4 is connected with the transverse steel joist 2 through the first transverse connection corner connector 41, and other structures are not connected at the moment, so that a large enough installation space can be provided for the first transverse connection corner connector 41, and the problem that the gap between two adjacent aluminum plates 1 in the vertical direction is too large due to reserved installation space is avoided;
the vertical connecting assembly 5 is connected with the vertical steel keels 3 through the first vertical connecting corner brackets 51, and other structures are not connected at the moment, so that a large enough installation space can be provided for the first vertical connecting corner brackets 51, and the problem that the gap between two adjacent aluminum plates 1 in the horizontal direction is overlarge due to reserved installation space is avoided;
the first transverse connection corner connector 41 is connected with the transverse steel keel 2, the first vertical connection corner connector 51 is connected with the vertical steel keel 3, the second transverse connection corner connector 42 can be pre-connected with the folded edge part 11 to be connected, the second vertical connection corner connector 52 can be pre-connected with the folded edge part 11 to be connected, the connection of a plurality of parts is not affected, and the second transverse connection corner connector 42 and the second vertical connection corner connector 52 can be connected on the aluminum plate 1;
after the first transverse connection corner connector 41 and the first vertical connection corner connector 51 are fixed, the aluminum plate 1 connected with the second transverse connection corner connector 42 and the second vertical connection corner connector 52 is detachably connected with the first transverse connection corner connector 41 and the first vertical connection corner connector 51, four sides of each aluminum plate 1 are fixed, at the moment, no matter between two adjacent aluminum plates 1 in the horizontal direction or between two adjacent aluminum plates 1 in the vertical direction, gaps can be small enough, the requirements of a designer on simplicity and fineness of glue joints can be met, and an aluminum plate curtain wall mounting system meeting 6-8mm glue joints is designed.
As an alternative embodiment, the first vertical connecting corner bracket 51 comprises a fifth connecting plate 511, a sixth connecting plate 512 and a first connecting portion 513, wherein the fifth connecting plate 511 is connected with the vertical steel joist 3, two ends of the fifth connecting plate 511 are respectively connected with the sixth connecting plate 512 and the first connecting portion 513, the sixth connecting plate 512 is connected with the hemming portion 11, the connection is preferably a rivet connection, and the first connecting portion 513 is detachably connected with the second vertical connecting corner bracket 52.
As an alternative embodiment, the second vertical connection corner bracket 52 includes a seventh connection plate 521 and a second connection portion 522, where the seventh connection plate 521 is connected to the hemming portion 11, and the second connection portion 522 forms a plug connection with the first connection portion 513, so that the connection between the second connection portion 522 and the first connection portion 513 is more convenient and faster.
As an alternative embodiment, the fifth connection plate 511 and the vertical steel keel 3 are connected by bolts, and the connection form of the bolts is convenient for disassembly and assembly while ensuring the connection strength of the structure, so that the fifth connection plate 511 is easy to be mounted on the vertical steel keel 3.
As an alternative embodiment, the first transverse connection corner bracket 41 includes a first connection plate 411 and a second connection plate 412 that are vertically connected, the first connection plate 411 is connected with the transverse steel joist 2, the second connection plate 412 is horizontally arranged, the second connection plate 412 is detachably connected with the second transverse connection corner bracket 42 and is connected with the hemming portion 11, and the connection manner of the detachable connection makes the connection between the second connection plate 412 and the second transverse connection corner bracket 42 more convenient and quicker.
As an alternative embodiment, the first connecting plate 411 and the transverse steel joist 2 are connected by bolts, and the connection form of the bolts is convenient for disassembly and assembly while ensuring the connection strength of the structure, so that the first connecting plate 411 is easy to be mounted on the transverse steel joist 2.
As an alternative embodiment, the second transverse connection corner bracket 42 includes a third connection plate 421 and a fourth connection plate 422 that are vertically connected, the second connection plate 412 is provided with a slot 4121, the third connection plate 421 and the slot 4121 form a plug connection, the plug connection makes the connection between the second connection plate 412 and the third connection plate 421 more convenient and faster, and the fourth connection plate 422 is connected to the flange portion 11, where the connection is preferably a rivet connection.
It should be noted that after the first transverse connection corner connector 41 and the first vertical connection corner connector 51 are fixed, the aluminum plate 1 connected with the second transverse connection corner connector 42 and the second vertical connection corner connector 52 needs to be detachably connected with the first transverse connection corner connector 41 and the first vertical connection corner connector 51, because the second connection portion 522 and the first connection portion 513 adopt a plug connection mode, the third connection portion 421 and the second connection portion 412 also adopt a plug connection mode, in the actual installation process, connection between the second connection portion 522 and the first connection portion 513 can be firstly performed in the horizontal direction, the second vertical connection corner connector 52 can be moved towards the first vertical connection corner connector 51 along the horizontal direction, after the second vertical connection corner connector 52 reaches the limit position and the first vertical connection corner connector 51, the second transverse connection corner connector 42 can be moved towards the first transverse connection corner connector 41 along the vertical direction, after the second transverse connection corner connector 42 reaches the limit position and the first transverse connection corner connector 41, the first vertical connection corner connector 522 and the first vertical connection corner connector are formed, the first vertical connection corner connector and the second vertical connection corner connector are formed, and the four sides are formed into a pair of fixed edge folds 11, and the rivet is formed, and the rivet is fixed, and the rivet is formed.
As an alternative embodiment, the second connecting plate 412 is provided with a protruding portion 4122, the protruding portion 4122 is located between the slot 4121 and the first connecting plate 411, the third connecting plate 421 is correspondingly provided with a hook portion 4211, and the hook portion 4211 can be blocked by the protruding portion 4122 to limit the third connecting plate 421 to move downwards when the third connecting plate 421 is plugged into the slot 4121, so that a certain limiting effect is formed on the third connecting plate 421, stable structure is ensured, and shaking and dislocation are reduced.
The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a small glue line aluminum plate curtain wall structure, includes aluminum plate (1), horizontal steel joist (2) and vertical steel joist (3), the four sides of aluminum plate (1) all are provided with hem portion (11), its characterized in that still includes horizontal coupling assembling (4) and vertical coupling assembling (5);
the transverse connection assembly (4) comprises a first transverse connection corner connector (41) and a second transverse connection corner connector (42), the first transverse connection corner connector (41) is respectively connected with the folded edge parts (11) corresponding to the top edges of the transverse steel keels (2) and the aluminum plates (1), and the second transverse connection corner connector (42) is detachably connected with the first transverse connection corner connector (41) and is connected with the folded edge parts (11) corresponding to the bottom edges of the other adjacent aluminum plates (1);
the vertical connecting assembly (5) comprises a first vertical connecting corner connector (51) and a second vertical connecting corner connector (52), the first vertical connecting corner connector (51) is respectively connected with the folding edge parts (11) corresponding to the side edges of the vertical steel keels (3) and the aluminum plates (1), and the second vertical connecting corner connector (52) is detachably connected with the first vertical connecting corner connector (51) and is connected with the folding edge parts (11) corresponding to the side edges of the other adjacent aluminum plates (1).
2. The small glue line aluminum plate curtain wall structure according to claim 1, wherein the first transverse connection corner bracket (41) comprises a first connection plate (411) and a second connection plate (412) which are vertically connected, the first connection plate (411) is connected with the transverse steel joist (2), the second connection plate (412) is horizontally arranged, and the second connection plate (412) is detachably connected with the second transverse connection corner bracket (42) and is connected with the flanging part (11).
3. The small glue line aluminum plate curtain wall structure according to claim 2, wherein the second transverse connection corner bracket (42) comprises a third connection plate (421) and a fourth connection plate (422) which are vertically connected, a slot (4121) is formed in the second connection plate (412), the third connection plate (421) is in plug connection with the slot (4121), and the fourth connection plate (422) is connected with the flanging part (11).
4. A small glue line aluminium panel curtain wall construction according to claim 3, wherein the second connecting plate (412) is provided with a protruding portion (4122), the protruding portion (4122) is located between the slot (4121) and the first connecting plate (411), the third connecting plate (421) is correspondingly provided with a hook portion (4211), and the hook portion (4211) can be blocked by the protruding portion (4122) to limit the third connecting plate (421) to move downwards.
5. The small glue line aluminum plate curtain wall structure according to claim 1, wherein the first vertical connecting corner bracket (51) comprises a fifth connecting plate (511), a sixth connecting plate (512) and a first connecting portion (513), the fifth connecting plate (511) is connected with the vertical steel joist (3), two ends of the fifth connecting plate (511) are respectively connected with the sixth connecting plate (512) and the first connecting portion (513), the sixth connecting plate (512) is connected with the flanging portion (11), and the first connecting portion (513) is detachably connected with the second vertical connecting corner bracket (52).
6. The small glue line aluminum plate curtain wall structure according to claim 5, wherein the second vertical connecting corner bracket (52) comprises a seventh connecting plate (521) and a second connecting portion (522), the seventh connecting plate (521) is connected with the hemming portion (11), and the second connecting portion (522) is spliced with the first connecting portion (513).
7. The small glue line aluminum plate curtain wall structure according to claim 2, wherein the first connecting plate (411) and the transverse steel joist (2) are connected by bolts.
8. The small glue line aluminum plate curtain wall structure according to claim 5, wherein the fifth connecting plate (511) and the vertical steel keel (3) are connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320415659.8U CN219690835U (en) | 2023-03-07 | 2023-03-07 | Aluminum plate curtain wall structure with small glue line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320415659.8U CN219690835U (en) | 2023-03-07 | 2023-03-07 | Aluminum plate curtain wall structure with small glue line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219690835U true CN219690835U (en) | 2023-09-15 |
Family
ID=87965728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320415659.8U Active CN219690835U (en) | 2023-03-07 | 2023-03-07 | Aluminum plate curtain wall structure with small glue line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219690835U (en) |
-
2023
- 2023-03-07 CN CN202320415659.8U patent/CN219690835U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213741805U (en) | Curtain system is hung to formula of cracking aluminum plate lines | |
| CN206873723U (en) | A kind of novel curtain wall keel device | |
| CN107503458A (en) | Curtain wall pendant mounting structure | |
| CN212503523U (en) | Fastener hidden frame structure | |
| CN219690835U (en) | Aluminum plate curtain wall structure with small glue line | |
| CN105821964A (en) | Aluminum alloy section | |
| CN215670433U (en) | Assembled type level-falling modeling structure | |
| CN211499348U (en) | Bear formula building curtain and decorate component and building curtain | |
| CN212224212U (en) | Box frame of container room | |
| CN216428689U (en) | Broken line type unit curtain wall system | |
| CN215637912U (en) | Panel assembly and air conditioner | |
| CN115573498A (en) | Assembled inclined triangular folding special-shaped aluminum plate molding system | |
| CN205744744U (en) | Cabinet framework angle connector, cabinet framework and rack | |
| CN211850245U (en) | Mounting structure of big specification aluminum plate curtain wall | |
| CN210713956U (en) | Modular building | |
| CN208701975U (en) | Top mounts curtain wall system assembled by small units | |
| CN110965681A (en) | Mounting structure of big specification aluminum plate curtain wall | |
| CN219448953U (en) | Concealed installation structure for outer wall elevator | |
| CN215254197U (en) | Dry hanging decorative board structure for indoor wall surface | |
| CN109914671A (en) | A kind of dome ceiling system | |
| CN216920948U (en) | Hooking type kneading bearing keel | |
| CN217734658U (en) | Indoor aluminum plate assembly structure | |
| CN209908235U (en) | Aluminum profile | |
| CN211393484U (en) | Elevator suspended ceiling with reinforced side frame | |
| CN221001752U (en) | Insert-hanging fixed type closely-spliced perforated aluminum plate mounting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |