CN212641845U - Cast-in-place wall and wall decorative plate mounting assembly - Google Patents

Cast-in-place wall and wall decorative plate mounting assembly Download PDF

Info

Publication number
CN212641845U
CN212641845U CN202021023917.0U CN202021023917U CN212641845U CN 212641845 U CN212641845 U CN 212641845U CN 202021023917 U CN202021023917 U CN 202021023917U CN 212641845 U CN212641845 U CN 212641845U
Authority
CN
China
Prior art keywords
outer decorative
chimb
cast
edge
decorative 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
Application number
CN202021023917.0U
Other languages
Chinese (zh)
Inventor
张晶廷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shijiazhuang Jingda Building System Co ltd
Original Assignee
Shijiazhuang Jingda Building System Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shijiazhuang Jingda Building System Co ltd filed Critical Shijiazhuang Jingda Building System Co ltd
Priority to CN202021023917.0U priority Critical patent/CN212641845U/en
Application granted granted Critical
Publication of CN212641845U publication Critical patent/CN212641845U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Finishing Walls (AREA)

Abstract

The utility model relates to a cast-in-place wall body of building builds technical field, has provided a cast-in-place wall body and wall body decorative board installation component, including steel reinforcement framework, a plurality of outer decorative board, the setting is in one side of steel reinforcement framework, forms the decorative groove between the adjacent outer decorative board, outer decorative board still includes first chimb and second chimb, all sets up at outer decorative board edge, first chimb and second chimb set up the both sides at outer decorative board relatively, the first chimb of an outer decorative board is used for the second chimb overlap joint with adjacent another outer decorative board, the overlap joint position forms the decorative groove, also is the decoration panel after outer decorative board concatenation is accomplished. Through above-mentioned technical scheme, the loaded down with trivial details problem of outer wall decorative cover construction among the prior art has been solved.

Description

Cast-in-place wall and wall decorative plate mounting assembly
Technical Field
The utility model relates to a cast-in-place wall body of building builds technical field, concretely relates to cast-in-place wall body and wall body decorative board installation component.
Background
At present, when a building is built, the main mode of outer wall decoration is that after a wall body is finished, plastering and leveling are adopted, and then decoration is carried out.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pour wall body and wall body decorative board installation component appear, solved the loaded down with trivial details problem of outer wall decorative cover construction among the prior art.
The technical scheme of the utility model as follows:
the cast-in-place wall body comprises
A cast-in-place wall body comprises
The reinforcing steel bar framework is provided with a steel bar framework,
a plurality of outer decorative plates arranged on one side of the steel reinforcement framework,
a decorative groove is formed between the adjacent outer decorative plates, and the decorative plate also comprises
A first convex edge arranged on the edge of the outer decorative plate,
the second chimb sets up the outer decorative board edge, first chimb with the second chimb sets up relatively the both sides of outer decorative board, one outer decorative board first chimb be used for with adjacent another outer decorative board the overlap joint of second chimb, the overlap joint position forms the decorative groove.
As a further technical proposal, the method also comprises
And the joint strip is arranged in the decorative groove between the adjacent outer decorative plates.
As a further technical scheme, the outer decorative plate is rectangular and comprises
The adjacent two sides of the middle template are provided with the first convex edges, the other adjacent two sides are provided with the second convex edges, the first convex edge of one outer decorative plate is lapped with the second convex edge of the other adjacent outer decorative plate,
the edge template, the edge template is located bottom, top layer or door and window entrance to a cave department, the face that the edge template is close to the edge is the plane, and other edges set up first chimb or the second chimb.
According to a further technical scheme, the outer decorative plates are sequentially spliced into a plurality of rows to form the horizontal and vertical decorative grooves, and the vertical decorative grooves formed by any row of the outer decorative plates are staggered with the vertical decorative grooves of the adjacent rows.
As a further technical proposal, the method also comprises
And the heat insulation structure layer is arranged on one side of the outer decorative plate.
As a further technical scheme, the outer decorative plate is provided with a through hole and also comprises
And the template positioning piece is arranged on the outer decorative plate and penetrates through the through hole.
A wall decoration board mounting assembly for the in-situ cast wall installation comprises
The angle steel, for two and the symmetry sets up, two form the location gap between the angle steel, the angle steel is used for setting up on the outer decorative board, the location gap be used for with decorate the groove and aim at.
And the positioning block is arranged between the two angle steels.
As a further technical scheme, two edges of the angle steel are respectively provided with a first fixing hole and a second fixing hole,
the fixing piece penetrates through the second fixing holes of the two angle steels,
the screw penetrates through the first fixing hole and is arranged on the outer decorative plate,
and the locking piece is used for locking the fixing piece.
The utility model discloses a theory of operation and beneficial effect do:
1. in the utility model, an outer decorative plate is arranged on one side of a steel reinforcement framework, concrete is poured between the outer decorative plate and an inner formwork, the outer decorative plate of the wall body is a decorative panel and a pouring formwork on the outer surface of the wall body, a first convex edge and a second convex edge are arranged on the outer decorative plate, the second convex edge on the outer decorative plate is lapped with the first convex edge of the adjacent outer decorative plate, the ladder-shaped lapping between the adjacent outer decorative plates is realized, a decorative groove is formed on the visible surface between the adjacent outer decorative plates after splicing, the adjacent outer decorative plates are in close contact with the non-visible surface, the design can ensure that no gap is formed on the surface on one side of the poured cement between the adjacent outer decorative plates, the condition of cement leakage gap from the splicing of the outer decorative plates is effectively prevented, the decorative groove is reserved on the visible surface, the outer decorative plates are used as decorative panels, the splicing is regular, the, the decoration can be added in the decoration groove according to the requirement.
2. The utility model discloses in, when the concrete leaks thick liquid, can lead to gap department all to be the large granule grit, reduce component intensity, influence safety, pack the strip of caulking in decorating the inslot, can further prevent the condition of cement from outer decorative board concatenation gap seepage.
3. The utility model discloses in, the outer decorative board of two kinds of differences is middle template and edge template respectively according to the position difference of using, and middle template can splice with adjacent outer decorative board, and the condition of the adjacent outer decorative board of four sides homogeneous phase is applied to middle template, and edge template is applicable to the condition of the incomplete adjacent outer decorative board of four sides, and edge template is levelly and smoothly at the edge that does not need the outer decorative board of concatenation, and the design has increased the application scope of outer decorative board like this for edge template exposes at the edge aesthetic measure height of visible face.
4. The utility model discloses in, provide an outer decorative board's concatenation mode, the decorative groove that the decorative board formed and the decorative groove of adjacent row are at vertical direction dislocation arrangement outside one row wantonly, because outer decorative board is the decorative board, splices like this, and whole wall outward appearance is regular, and pleasing to the eye degree is high.
5. The utility model discloses in, can increase the insulation construction layer in exterior trim panel one side, this insulation construction layer can be with the form of heated board, can also exist with the form of rack heat preservation core.
6. The utility model discloses in, set up the through-hole on exterior trim panel, this through-hole is the in-process integrated into one piece of preparation exterior trim panel, avoid the back trompil to influence the intensity of exterior trim panel, simplify the work progress, the purpose that sets up the through-hole is in order to set up the template setting element in the through-hole, template setting element one side is fixed on exterior trim panel through the mounting, the opposite side passes through the mounting and fixes on the inner formword, pour and accomplish the back, twist off two mountings, can demolish the inner formword, exterior trim panel need not to demolish, the template setting element also stays in the wall body, play the supporting role to the building, because the hole that the mounting is connected the exterior trim panel and.
7. The utility model discloses in, a wall body decorative board installation component, an installation for outer decorative board, the angle steel uses in pairs, fix on outer decorative board, and fix in the decorative groove both sides, through locating piece adjusting position between two angle steels, make the positioning gap that forms between the angle steel align with the decorative groove, the design can make outer decorative board at the concatenation in-process like this, the position is convenient to be confirmed, also can guarantee the roughness in vertical direction, the later stage sets up when caulking the strip in the decorative groove, can pass the positioning gap between two angle steels and operate, can not exert an influence to this process, this wall body decorative board installation component also can play the supporting role to outer decorative board, prevent at the concreting in-process, outer decorative board outwards expands out, the support frame among the prior art has been replaced, and it is more convenient to operate.
8. The utility model discloses in, use the mounting to pass two fixed orifices on two angle steels, locating piece between two angle steels can lean on two angle steels to press from both sides tightly, screw up the retaining member again, also can set up the through-hole on the locating piece, the mounting passes two fixed orifices on this through-hole and two angle steels, install the retaining member again, the retaining member can be the round pin piece, the mounting can be the pin, the pin is fixed with round pin piece locking, two kinds of fixed modes all can make and form the positioning gap between two angle steels, provide the position reference for the outer decorative board of concatenation, the angle steel passes through the fix with screw with the outer decorative board.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the outer decorative plate of the present invention;
FIG. 3 is a schematic structural view of the wall decorative plate mounting assembly of the present invention;
FIG. 4 is a schematic structural view of the angle steel of the present invention;
FIG. 5 is a schematic view of the outer decorative plate of the present invention;
in the figure: the method comprises the following steps of 1-a steel reinforcement framework, 2-an outer decorative plate, 3-a decorative groove, 4-a first convex edge, 5-a second convex edge, 6-a joint strip, 7-a heat preservation structure layer, 8-a template positioning piece, 9-angle steel, 10-a positioning block, 11-a fixing piece, 12-a screw, 13-an inner template, 14-a locking piece, 201-a middle template, 202-an edge template, 901-a first fixing hole, 902-a second fixing hole and 903-a positioning gap.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-5, the present invention provides
A cast-in-place wall body comprises
The steel bar framework 1 is provided with a steel bar framework,
a plurality of outer decorative plates 2 arranged at one side of the steel reinforcement framework 1,
a decorative groove 3 is formed between the adjacent outer decorative plates 2, and the decorative groove also comprises
A first convex edge 4 arranged at the edge of the outer decorative plate 2,
the second chimb 5 sets up at outer decorative board 2 edge, and first chimb 4 and second chimb 5 set up the both sides at outer decorative board 2 relatively, and the first chimb 4 of an outer decorative board 2 is used for the second chimb 5 overlap joint with adjacent another outer decorative board 2, and the overlap joint position forms decorative groove 3.
In the embodiment, the outer decorative plate 2 is arranged on one side of the steel reinforcement framework 1, concrete is poured between the outer decorative plate 2 and the inner template 13, the outer decorative plate 2 of the wall is a decorative panel and a pouring template on the outer surface of the wall, the first convex edge 4 and the second convex edge 5 are arranged on the outer decorative plate 2, the second convex edge 5 on the outer decorative plate 2 is lapped with the first convex edge 4 of the adjacent outer decorative plate 2, step-shaped lapping between the adjacent outer decorative plates 2 is realized, the decorative groove 3 is formed on the visible surface between the adjacent outer decorative plates 2 after splicing, and the non-visible surface is in close contact with each other, so that no gap is ensured on the surface on one side of the poured cement between the adjacent outer decorative plates 2, the condition that cement leaks from the splicing gap of the outer decorative plates 2 is effectively prevented, the decorative groove 3 is reserved on the visible surface, the outer decorative plates 2 are used as decorative panels, the splicing is, the flatness of the wall body can be improved, and decoration can be added in the decoration groove 3 according to requirements.
Further, also comprises
And a caulking strip 6 provided in the decorative groove 3 between the adjacent outer decorative panels 2.
In this embodiment, when the concrete leaks thick liquid, can lead to gap department all to be large granule grit, reduce component intensity, influence safety, pack joint strip 6 in decorating groove 3, can further prevent the condition that cement from outer decorative board 2 concatenation gap seepage.
Further, the exterior trim panel 2 is rectangular, and includes
The middle template 201 is provided with a first convex edge 4 on two adjacent edges, a second convex edge 5 on the other two adjacent edges, the first convex edge 4 of the outer decorative plate 2 is lapped with the second convex edge 5 on the adjacent outer decorative plate 2,
the edge template 202, the edge template 202 is located bottom layer, top layer or door and window opening department, and the face that the edge template 202 is close to the edge is the plane, sets up first chimb 4 or second chimb 5 on other edges.
In this embodiment, two different outer decorative plates 2 are respectively the middle template 201 and the edge template 202 according to different application positions, the middle template 201 can be spliced with the adjacent outer decorative plate 2, the middle template 201 is applied to the condition that the four sides of the middle template are adjacent to the outer decorative plates 2, the edge template 202 is suitable for the condition that the four sides of the edge template are not completely adjacent to the outer decorative plates 2, and the edge template 202 is smooth without splicing the edges of the outer decorative plates 2, so that the application range of the outer decorative plates 2 is enlarged, and the edge of the edge template 202 exposed on the visible surface is high in appearance.
Further, the outer decorative plates 2 are sequentially spliced into a plurality of rows to form the transverse decorative grooves 3 and the vertical decorative grooves 3, and the vertical decorative grooves 3 formed by any row of the outer decorative plates 2 are staggered with the vertical decorative grooves 3 in the adjacent rows.
In the present embodiment, a splicing manner of the outer decorative plates 2 is provided, in which the decorative grooves 3 formed in any row of the outer decorative plates 2 and the decorative grooves 3 in the adjacent row are arranged in a staggered manner in the vertical direction, and the outer decorative plates 2 are decorative plates, so that the entire wall has a neat appearance and a high aesthetic degree.
Further, also comprises
And the heat insulation structure layer 7 is arranged on one side of the outer decorative plate 2.
In this embodiment, a heat insulation structure layer 10 can be added on one side of the outer decorative plate 2, and the heat insulation structure layer can be in the form of a heat insulation plate or a net rack heat insulation core plate.
Further, the outer decorative plate 2 is provided with a through hole 203 and further comprises
One end of the formwork positioning member 8 is provided on the outer decorative panel 2, and the formwork positioning member 8 passes through the through hole 203.
In this embodiment, set up through-hole 203 on exterior trim panel 2, this through-hole is the in-process integrated into one piece of preparation exterior trim panel 2, avoid the back trompil to influence the intensity of exterior trim panel 2, simplify the work progress, the purpose of setting up through-hole 203 is in order to set up template setting element 8 in through-hole 203, template setting element 8 one side is fixed on exterior trim panel 2 through the mounting, the opposite side passes through the mounting and fixes on interior template 2, pour the completion back, screw off two mountings, can demolish interior template 2, exterior trim panel 2 need not to demolish, template setting element 8 also stays in the wall body, play the supporting role to the building, because the mounting connects the hole that exterior trim panel 2 caused, can pour the completion back, the daub is.
A wall body decorative plate installation component is used for installing external decorative plates in a cast-in-place wall body and comprises
Two angle steels 9 are symmetrically arranged, a positioning gap 903 is formed between the two angle steels 9, the angle steels 9 are arranged on the outer decorative plate 1, the positioning gap 90) is used for aligning with the decorative groove 3,
and the positioning block 10 is arranged between the two angle steels 9.
In the embodiment, the wall decorative plate mounting component is used for mounting an outer decorative plate 2, angle steels 9 are used in pairs and fixed on the outer decorative plate 2, and are fixed on both sides of the decorative groove 3, the position between the two angle steels 9 is adjusted by a positioning block 10, so that a positioning gap 903 formed between the angle steels 9 is aligned with the decorative groove 3, the design can ensure that the position of the outer decorative plate 2 is convenient to determine in the splicing process, the flatness can be ensured in the vertical direction, when the joint filling strip 6 is arranged in the decorative groove 3 in the later period, can pass through the positioning gap 903 between the two angle steels 9 for operation, and can not influence the working procedure, the wall body decorating plate mounting component can also play a role in supporting the outer decorating plate 2 to prevent the outer decorating plate from being damaged in the concrete pouring process, the outer decorative plate 2 expands outwards, so that a support frame in the prior art is replaced, and the operation is more convenient.
Furthermore, two edges of the angle steel 9 are respectively provided with a first fixing hole 901 and a second fixing hole 902,
the fixing piece 11 passes through the second fixing hole 902 of the two angle steels 9,
the screw 12 is arranged on the outer decorative plate 2 through the first fixing hole 901,
and a locking member 14 for locking the fixing member 11.
In this embodiment, the fixing member 11 is used to penetrate through the second two fixing holes 902 on the two angle steels 9, the positioning block 10 between the two angle steels 9 can be clamped by the two angle steels 9, the locking member 14 is screwed, a through hole can also be formed in the positioning block 10, the fixing member 11 penetrates through the through hole and the second two fixing holes 902 on the two angle steels 9, the locking member 14 is installed again, the locking member 14 can be a pin piece, the fixing member 11 can be a pin, two fixing modes can both enable a positioning gap 903 to be formed between the two angle steels 9, position reference is provided for splicing the outer decorative plate 2, and the angle steels 9 and the outer decorative plate 2 are fixed through the screws 12.
A wall construction method comprises the following steps:
the method comprises the following steps: a first convex edge (4) and a second convex edge (5) are processed on the edge of the outer decorative plate (2);
step two: binding a steel bar framework (1);
step three: supporting the template, and fixing the inner template (13) and the outer decorative plate (2) by using a template positioning piece (8);
step four: splicing the outer decorative plates (2) at the bottom, mounting wall decorative plate mounting assemblies on the two outer decorative plates (2) at the bottom, splicing the residual outer decorative plates (2), and splicing the positions of the decorative grooves (3) formed at the splicing positions of the two adjacent outer decorative plates (2) corresponding to the positioning gaps (903) between the angle steels (9);
step five: filling a joint strip (6) in the decorative groove (3);
step six: pouring concrete;
step seven: after the concrete is solidified, removing the inner formwork (13), unscrewing the screws (12) on the angle steel (9), removing the angle steel (9), and maintaining the wall;
step eight: the through hole (203) on the outer decorative plate (2) is filled with glue;
step nine: the visible surface of the outer decorative plate (2) is sprayed with decorations.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. 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 cast-in-place wall body comprises
A steel reinforcement framework (1),
a plurality of outer decorative plates (2) arranged on one side of the steel reinforcement framework (1),
characterized in that a decorative groove (3) is formed between the adjacent outer decorative plates (2), and the decorative plate also comprises
A first flange (4) provided at the edge of the outer decorative panel (2),
second chimb (5), set up and be in outer decorative board (2) edge, first chimb (4) with second chimb (5) set up relatively the both sides of outer decorative board (2), one outer decorative board (2) first chimb (4) be used for with adjacent another outer decorative board (2) second chimb (5) overlap joint, the overlap joint position forms decorative groove (3).
2. A cast-in-place masonry wall according to claim 1, further comprising
And a caulking strip (6) provided in the decorative groove (3) between the adjacent outer decorative panels (2).
3. A cast-in-place wall construction according to claim 2, characterized in that the outer decorative panel (2) is rectangular, comprising
The middle template (201), the adjacent two sides of the middle template are provided with the first convex edges (4), the other adjacent two sides are provided with the second convex edges (5), the first convex edge (4) of one outer decorative plate (2) is lapped with the second convex edge (5) of the other adjacent outer decorative plate (2),
edge template (202), edge template (202) are located bottom, top layer or door and window entrance to a cave department, edge template (202) are close to the face at edge for the plane, and other edges set up first chimb (4) or second chimb (5).
4. The cast-in-place wall body as claimed in claim 3, wherein the outer decorative plates (2) are sequentially spliced into a plurality of rows to form the horizontal and vertical decorative grooves (3), and the vertical decorative grooves (3) formed by any row of the outer decorative plates (2) are staggered with the vertical decorative grooves (3) of the adjacent row.
5. The cast-in-place wall of claim 4, further comprising
And the heat insulation structure layer (7) is arranged on one side of the outer decorative plate (2).
6. Cast-in-place wall according to claim 5, characterized in that the outer decorative plate (2) is provided with a through hole (203) and further comprises
And the template positioning piece (8) is arranged on the outer decorative plate (2), and the template positioning piece (8) penetrates through the through hole (203).
7. A wall trim panel mounting assembly for use in the mounting of a cast-in-place wall according to any one of claims 1 to 6, comprising
Two angle steels (9) are symmetrically arranged, a positioning gap (903) is formed between the two angle steels (9), the angle steels (9) are arranged on the outer decorative plate (2), the positioning gap (903) is aligned with the decorative groove (3),
and the positioning block (10) is arranged between the two angle steels (9).
8. A wall decoration plate mounting assembly according to claim 7, wherein the two sides of the angle steel (9) are respectively provided with a first fixing hole (901) and a second fixing hole (902),
a fixing piece (11) passing through the second fixing holes (902) of the two angle steels (9),
a screw (12) which is arranged on the outer decorative plate (2) through the first fixing hole (901),
a locking member (14) for locking the fixing member (11).
CN202021023917.0U 2020-06-05 2020-06-05 Cast-in-place wall and wall decorative plate mounting assembly Expired - Fee Related CN212641845U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021023917.0U CN212641845U (en) 2020-06-05 2020-06-05 Cast-in-place wall and wall decorative plate mounting assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021023917.0U CN212641845U (en) 2020-06-05 2020-06-05 Cast-in-place wall and wall decorative plate mounting assembly

Publications (1)

Publication Number Publication Date
CN212641845U true CN212641845U (en) 2021-03-02

Family

ID=74791154

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021023917.0U Expired - Fee Related CN212641845U (en) 2020-06-05 2020-06-05 Cast-in-place wall and wall decorative plate mounting assembly

Country Status (1)

Country Link
CN (1) CN212641845U (en)

Similar Documents

Publication Publication Date Title
CN207685993U (en) A kind of prefabricated assembling type reinforced concrete balcony slab
CN111021258B (en) Assembly type buttress pouring die carrier for bridge building
CN210177802U (en) Wallboard for prefabricated building containing metal window frame
CN212641845U (en) Cast-in-place wall and wall decorative plate mounting assembly
WO2014115954A1 (en) Flat tie and formwork method using said flat tie and non-metallic forms
KR101707876B1 (en) External panel using waterproof subsidiary materials set and construction methods for its water subsidiary materials set corner of the external panels for buildings
DE19940423C2 (en) Insulation board and process for its manufacture
CN111535485A (en) Cast-in-place wall, wall decorative plate mounting assembly and wall construction method
KR20160000880A (en) External panel using waterproof subsidiary materials and construction methods for its water subsidiary materials corner of the external panels for buildings
US3403476A (en) Window and door structures
WO2019137127A1 (en) Modular curtain wall system
CN212078535U (en) Indoor outer heat preservation decoration wallboard mounting structure
TWM641295U (en) window mounting frame
CN109723141A (en) Support construction and its construction method at a kind of fabricated construction conversion layer
CN210460332U (en) Frame of pre-buried window frame for assembly type building wallboard
KR20000024010A (en) executing method for window frame assembly
CN110821343A (en) Aluminum alloy finished door and window and installation method thereof
CN210621886U (en) Assembled metal floor drain component and ground splicing system
KR20100002876U (en) Tile finishing frame
CN208267645U (en) Pre-buried door window auxiliary frame structure and door window auxiliary frame embedded system
CN204590233U (en) Full prefabricated balcony and the building with this full prefabricated balcony
CN109610823A (en) A kind of window grooving template and its construction method with olecranon drip
CN216305366U (en) Building templates for civil engineering
KR100330603B1 (en) window frame assembly
CN220451223U (en) Foaming cement wall

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210302

CF01 Termination of patent right due to non-payment of annual fee