CN110094000A - A kind of cold bending thin wall light steel composite wall piece of card key formula connecting structure - Google Patents
A kind of cold bending thin wall light steel composite wall piece of card key formula connecting structure Download PDFInfo
- Publication number
- CN110094000A CN110094000A CN201910321306.XA CN201910321306A CN110094000A CN 110094000 A CN110094000 A CN 110094000A CN 201910321306 A CN201910321306 A CN 201910321306A CN 110094000 A CN110094000 A CN 110094000A
- Authority
- CN
- China
- Prior art keywords
- piece
- card key
- skeleton
- longitudinal framework
- connecting structure
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 26
- 239000010959 steel Substances 0.000 title claims abstract description 26
- 238000005452 bending Methods 0.000 title claims abstract description 24
- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 238000010586 diagram Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/76—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Load-Bearing And Curtain Walls (AREA)
Abstract
The present invention relates to building fields, more particularly to a kind of cold bending thin wall light steel composite wall piece of card key formula connecting structure, wall piece one and wall piece two including interconnection, skeleton one and skeleton two are respectively arranged in wall piece one and wall piece two, skeleton one includes the horizontal skeleton one interconnected and longitudinal framework one, skeleton two includes the horizontal skeleton two interconnected and longitudinal framework two, it is connected by longitudinal framework one in correspondence with each other with longitudinal framework two between the skeleton one and skeleton two, it is connected between longitudinal framework one and longitudinal framework two by card key formula connecting structure, card key formula connecting structure includes the card key piece for being connected to the inner face of longitudinal framework one, it is connected to the card slot piece of the two sides of the outer end face of longitudinal framework two.
Description
Technical field
The present invention relates to assembled wall fields, and in particular to a kind of light steel of cold bending thin wall of card key formula connecting structure is compound
Wall piece.
Background technique
The wall of cold bending thin wall lightweight steel construction, main structure are to be riveted to be formed by more cold bending thin wall C-shaped steel components
Steel skeleton.In construction, first steel skeleton is installed in place, is then attached adjacent skeleton with self threading pin or pulling rivet, shape
At longer wall skeleton.Insulation rock wool or foam are inserted in skeleton later.Then OSB plate is installed in skeleton two sides,
And moisture-proof breathing paper is laid on the outside, rough ground item and plug-in shingle nail are finally installed.In addition to the production and spelling of steel skeleton
Outer mounted in workshop completion, remaining assembly working will often be completed at the construction field (site).The disadvantage is that: it is not carried out wall group
The assembling of dress is horizontal, and construction efficiency is relatively low, and appropriation of labour power and number of devices are still more.
The insulating layers such as rock wool, OSB plate, breathing paper and out-hung panel are finished into shorter whole composite wall in workshop assembly
Then each whole composite wall piece is transported to erecting bed and is assembled, formed longer wall, then can increase substantially life by piece
Efficiency is produced, the occupancy of labour force-summing device is reduced, realizes the important original intention of assembled architecture.But due to the reinforcing bar that wall piece is completed
It is blocked, is not being destroyed by respectively assembly component element, such as the covering of OSB plate, breathing paper and out-hung panel inside and outside frame
Under the premise of each assembly element, rivet or self threading pin is directly used to connect to form wall between the reinforcing bar that connects for the composite wall piece that connects
The practice of body cannot achieve.
Therefore, it is simple to invent a kind of structure, design rationally, is convenient for in-site installation, and firm and reliable connection is readily produced and adds
Work, a kind of low-cost cold bending thin wall light steel composite wall piece of card key formula connecting structure.
Summary of the invention
In view of the deficiencies of the prior art, it is simple to provide a kind of structure by the present invention, and design rationally, is convenient for in-site installation, connection
It is solid and reliable, a kind of easy to produce and process, low-cost cold bending thin wall light steel composite wall piece of card key formula connecting structure.
The technical scheme of the present invention is realized as follows: a kind of cold bending thin wall light steel composite wall of card key formula connecting structure
Skeleton one and skeleton two, skeleton are respectively arranged in piece, wall piece one including interconnection and wall piece two, wall piece one and wall piece two
One includes the horizontal skeleton one interconnected and longitudinal framework one, and skeleton two includes the horizontal skeleton two interconnected and longitudinal bone
Frame two is connected by longitudinal framework one in correspondence with each other with longitudinal framework two between the skeleton one and skeleton two, longitudinal
It is connected between skeleton one and longitudinal framework two by card key formula connecting structure, card key formula connecting structure includes being connected to longitudinal bone
The card key piece of the inner face of frame one is connected to the card slot piece of the two sides of the outer end face of longitudinal framework two.
The section of the card slot piece is L-shaped structure, and card slot piece includes fixed part and interconnecting piece, is opened up on interconnecting piece
Grooved hole offers screw hole on fixed part.
The card key piece includes bottom plate, is connected to the wing plate at bottom plate both ends, and the junction of bottom plate and wing plate is provided with " L "
Type groove.
The bending part of the two sides of the longitudinal framework one offers vertical hole, the position in vertical hole and the position of card key piece
It is corresponding.
The end of the interconnecting piece is provided with corner cut.
The card key piece and card slot piece on vertical position in correspondence with each other, it is aligned with each other on horizontal position.
The width of the wing plate is not less than the width of slot, and the height of wing plate and the height of slot are equal.
The card slot piece is fixedly connected on longitudinal framework two by fixed part, and card key piece is fixedly connected on by bottom plate
On longitudinal framework one, the outer end face of wing plate is in contact with the medial surface of longitudinal framework one to be connect.
Technical solution of the present invention has following good effect: first making multiple card slot pieces, card slot piece is that the metal of steel rushes
Casting die, and with rivet or self threading pin, the two sides of the outer end face of the end longitudinal framework two of skeleton two are fixed to, card slot piece is logical
It crosses fixed part to be fixedly connected on longitudinal framework two, the card slot piece on each end longitudinal framework two is multiple groups.Then it makes more
A card key piece, card key piece are the metallic stamping pieces of steel, and the end longitudinal direction of skeleton one is fixed to rivet or self threading pin
The inner face of skeleton one, card key piece are fixedly connected on longitudinal framework one by bottom plate, the outer end face and longitudinal framework one of wing plate
Medial surface be in contact connection.Bending part in the two sides of longitudinal framework one offers vertical hole, company of the vertical hole for card slot piece
Socket part protrudes into, and is then cladded with lid OSB plate respectively outside skeleton one and skeleton two, breathes paper, rough ground, and cladding panel forms two
Then a independent composite wall piece is packaged and is sent to erecting bed.Construction site is close to skeleton two by skeleton one, i.e. longitudinal framework
One is close to longitudinal framework two, the interconnecting piece of card slot piece is passed through vertical hole, since the end of interconnecting piece is provided with corner cut, in this way
The side plate of card key piece will be opened, the junction of bottom plate and wing plate is provided with " L " type groove, such card slot piece and longitudinal framework
Gap is formed between two, is then goed deep into card slot piece, and two wing plates of card key piece are gradually fallen into slot from right end, finally
Two wing plates of card key piece are entirely fallen in the card slot hole of card slot piece.As a result, since the wing plate of card key piece is to the card slot of card slot piece
Retardation, will be unable to card slot piece being pulled away from card key piece, also just skeleton two can not be pulled away from skeleton one, then wall piece one and wall piece
Two are connected as one.Since same absolute altitude is constructed using double card slotted vane double card tab, then the connection of wall piece equally has outside face and resists
Curved rigidity.And vertical hole length and card slot piece interconnecting piece vertical height it is almost the same, then wall piece 1 and wall piece two are perpendicular
Upward possible relative displacement is also minimum.Due to using vertical hole, then the bearing capacity of longitudinal framework one is influenced minimum.To
Realize the firm connection of wall piece one and wall piece two.Connection procedure does not influence assembled good each element preparatory in each wall piece,
It is truly realized the complete prefabricated construction target of wall.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of wall piece of the invention.
Fig. 2 is the structural schematic diagram of skeleton of the invention.
Fig. 3 is structural representation perspective view of the invention.
Fig. 4 is partial enlargement structural representation of the invention.
Fig. 5 is the structural schematic diagram of card slot piece of the invention.
Fig. 6 is the structural schematic diagram of card key piece of the invention.
Fig. 7 is specific embodiments of the present invention structural schematic diagram.
Fig. 8 is specific embodiments of the present invention structural schematic diagram.
Fig. 9 is specific embodiments of the present invention structural schematic diagram.
Figure 10 is specific embodiments of the present invention structural schematic diagram.
Figure 11 is specific embodiments of the present invention structural schematic diagram.
Figure 12 is specific embodiments of the present invention structural schematic diagram.
Specific embodiment
As shown in Fig. 1,2,3,4,5,6,7,8,9,10,11,12, a kind of light steel of cold bending thin wall of card key formula connecting structure
Be respectively arranged in composite wall piece, wall piece 1 including interconnection and wall piece 22, wall piece 1 and wall piece 22 skeleton one with
Skeleton two, skeleton one and skeleton two are all made of crimping C-type steel, and skeleton one includes the horizontal skeleton one interconnected and longitudinal framework
One 3, skeleton two includes the horizontal skeleton two interconnected and longitudinal framework 24, is passed through between the skeleton one and skeleton two
Longitudinal framework 1 in correspondence with each other is connected with longitudinal framework 24, passes through card key between longitudinal framework 1 and longitudinal framework 24
Formula connecting structure is connected, and card key formula connecting structure includes the card key piece 5 for being connected to the inner face of longitudinal framework 1, is connected to
The card slot piece 6 of the two sides of the outer end face of longitudinal framework 24, card key piece 5 are plugged with card slot piece 6.
The section of the card slot piece 6 is L-shaped structure, and card slot piece 6 includes fixed part 12 and interconnecting piece 13, interconnecting piece
Grooved hole 7 is opened up on 13, and screw hole 8 is offered on fixed part 12.The card key piece 5 includes bottom plate 14, is connected to bottom plate 14
The junction of the wing plate 15 at both ends, bottom plate 14 and wing plate 15 is provided with " L " type groove 9.The two sides of the longitudinal framework 1
Bending part offer vertical hole 10, the position in vertical hole 10 is corresponding with the position of card key piece 5.The end of the interconnecting piece 13
Portion is provided with corner cut 11.The card key piece 5 and card slot piece 6 on vertical position in correspondence with each other, it is mutually opposite on horizontal position
Together.The width of the wing plate 15 is not less than the width of slot 7, and the height of wing plate 15 is equal with the height of slot 7.The card
Slotted vane 6 is fixedly connected on longitudinal framework 24 by fixed part 12, and card key piece 5 is fixedly connected on longitudinal framework by bottom plate 14
On one 3, the outer end face of wing plate 15 is in contact with the medial surface of longitudinal framework 1 to be connect.
The present invention first makes multiple card slot pieces 6 when specifically used, and card key piece 5 is plugged with card slot piece 6, card slot
Piece 6 be steel metallic stamping pieces, and use rivet or self threading pin, be fixed to the end longitudinal framework 24 of skeleton 22 outside
The two sides of end face, card slot piece 6 is fixedly connected on longitudinal framework 24 by fixed part 12, on each end longitudinal framework 24
Card slot piece 6 is multiple groups.
Then multiple card key pieces 5 are made, card key piece 5 is the metallic stamping pieces of steel, and is consolidated with rivet or self threading pin
Surely the inner face of the end longitudinal framework 1 of skeleton 1 is arrived, card key piece 5 is fixedly connected on longitudinal framework 1 by bottom plate 14
On, the outer end face of wing plate 15 is in contact with the medial surface of longitudinal framework 1 to be connect.Bending part in the two sides of longitudinal framework 1
Vertical hole 10 is offered, vertical hole 10 is protruded into for the interconnecting piece 13 of card slot piece 6, then outside skeleton 1 and skeleton 22 respectively
Outer covering OSB plate breathes paper, rough ground, and cladding panel forms two independent composite wall pieces, is then packaged and is sent to erecting bed.
Construction site is close to skeleton two by skeleton one, i.e., longitudinal framework 1 is close to longitudinal framework 24, by card slot piece 1
Interconnecting piece 13 pass through vertical hole 10 and since the end of interconnecting piece 13 is provided with corner cut 11 can thus open the side of card key piece 5
The junction of plate, bottom plate 14 and wing plate 15 is provided with " L " type groove 9, is formed between such card slot piece 6 and longitudinal framework 24 empty
Gap is then goed deep into card slot piece 6, and two wing plates 15 of card key piece 5 are gradually fallen into slot 7 from right end, last card key piece 5
Two wing plates 15 entirely fall in the card slot hole 7 of card slot piece 6.
As a result, since the wing plate 15 of card key piece 5 is to the retardation of the card slot of card slot piece 1, will be unable to for card slot piece 6 being pulled away from
Skeleton two also can not be just pulled away from skeleton one by card key piece 5, then wall piece 1 is connected as one with wall piece 22.Due to same absolute altitude
It is constructed using double card slotted vane double card tab, then wall piece connection equally has bending stiffness outside face.And vertical hole 10 length
13 vertical height of interconnecting piece of degree and card slot piece 6 is almost the same, then wall piece 1 and the vertically upper possible relative displacement of wall piece 22
Also minimum.Due to using vertical hole 10, then the bearing capacity of longitudinal framework 1 is influenced minimum.To realize one 1 He of wall piece
The firm connection of wall piece 22.Connection procedure is truly realized wall to assembled good each element does not influence in advance in each wall piece
Complete prefabricated construction target.
Claims (8)
1. a kind of cold bending thin wall light steel composite wall piece of card key formula connecting structure, wall piece one (1) and wall piece including interconnection
Skeleton one and skeleton two are respectively arranged in two (2), wall piece one (1) and wall piece two (2), skeleton one includes the transverse direction interconnected
Skeleton one and longitudinal framework one (3), skeleton two include the horizontal skeleton two interconnected and longitudinal framework two (4), and feature exists
In: it is connected by longitudinal framework one (3) in correspondence with each other with longitudinal framework two (4) between the skeleton one and skeleton two,
It is connected between longitudinal framework one (3) and longitudinal framework two (4) by card key formula connecting structure, card key formula connecting structure includes connecting
The card key piece (5) in the inner face of longitudinal framework one (3) is connect, the card slot of the two sides of the outer end face of longitudinal framework two (4) is connected to
Piece (6).
2. the cold bending thin wall light steel composite wall piece of card key formula connecting structure according to claim 1, it is characterised in that: described
Card slot piece (6) section be L-shaped structure, card slot piece (6) includes fixed part (12) and interconnecting piece (13), interconnecting piece (13)
On open up grooved hole (7), screw hole (8) are offered on fixed part (12).
3. the cold bending thin wall light steel composite wall piece of card key formula connecting structure according to claim 1, it is characterised in that: described
Card key piece (5) include bottom plate (14), be connected to the wing plate (15) at bottom plate (14) both ends, the connection of bottom plate (14) and wing plate (15)
Place is provided with " L " type groove (9).
4. the cold bending thin wall light steel composite wall piece of card key formula connecting structure according to claim 1, it is characterised in that: described
The bending part of two sides of longitudinal framework one (3) offer vertical hole (10), the position of vertical hole (10) and the position of card key piece (5)
It sets corresponding.
5. the cold bending thin wall light steel composite wall piece of card key formula connecting structure according to claim 2, it is characterised in that: described
The end of interconnecting piece (13) be provided with corner cut (11).
6. the cold bending thin wall light steel composite wall piece of card key formula connecting structure according to claim 1, it is characterised in that: described
Card key piece (5) and card slot piece (6) on vertical position in correspondence with each other, it is aligned with each other on horizontal position.
7. the cold bending thin wall light steel composite wall piece of card key formula connecting structure according to claim 1, it is characterised in that: described
The width of wing plate (15) be not less than the width of slot (7), the height of wing plate (15) is equal with the height of slot (7).
8. the cold bending thin wall light steel composite wall piece of card key formula connecting structure according to claim 1, it is characterised in that: described
Card slot piece (6) be fixedly connected on longitudinal framework two (4) by fixed part (12), card key piece (5) passes through bottom plate (14) fixation
It is connected on longitudinal framework one (3), the outer end face of wing plate (15) is in contact with the medial surface of longitudinal framework one (3) to be connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910321306.XA CN110094000B (en) | 2019-04-22 | 2019-04-22 | Cold-formed thin-wall light steel composite wall sheet with clamping key type connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910321306.XA CN110094000B (en) | 2019-04-22 | 2019-04-22 | Cold-formed thin-wall light steel composite wall sheet with clamping key type connection structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110094000A true CN110094000A (en) | 2019-08-06 |
| CN110094000B CN110094000B (en) | 2020-09-25 |
Family
ID=67445364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910321306.XA Expired - Fee Related CN110094000B (en) | 2019-04-22 | 2019-04-22 | Cold-formed thin-wall light steel composite wall sheet with clamping key type connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110094000B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439151A (en) * | 2019-07-31 | 2019-11-12 | 上海市建筑装饰工程集团有限公司 | A kind of construction method of Modularized partition plate |
| CN112127516A (en) * | 2020-09-13 | 2020-12-25 | 北京工业大学 | Light steel wall connecting structure and connecting method based on buckle type and long round hole |
| CN112127517A (en) * | 2020-09-13 | 2020-12-25 | 北京工业大学 | Light steel wall connecting structure and connecting method based on buckle type and key type holes |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100906372B1 (en) * | 2009-03-17 | 2009-07-06 | 주식회사 디엠디 | Inside well for underground structure |
| CN201835393U (en) * | 2010-05-29 | 2011-05-18 | 陈耀强 | High-strength heat insulation fireproof wallboard |
| CN201991218U (en) * | 2011-03-24 | 2011-09-28 | 清华大学建筑设计研究院有限公司 | Steel framework double-layer mesh large template for buildings |
| CN106522495A (en) * | 2016-12-15 | 2017-03-22 | 俞昱 | Novel combined wallboard |
| CN206337722U (en) * | 2016-12-29 | 2017-07-18 | 山西中技金谷新型建材有限公司 | A kind of prefabricated assembled light steel concrete wallboard |
-
2019
- 2019-04-22 CN CN201910321306.XA patent/CN110094000B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100906372B1 (en) * | 2009-03-17 | 2009-07-06 | 주식회사 디엠디 | Inside well for underground structure |
| CN201835393U (en) * | 2010-05-29 | 2011-05-18 | 陈耀强 | High-strength heat insulation fireproof wallboard |
| CN201991218U (en) * | 2011-03-24 | 2011-09-28 | 清华大学建筑设计研究院有限公司 | Steel framework double-layer mesh large template for buildings |
| CN106522495A (en) * | 2016-12-15 | 2017-03-22 | 俞昱 | Novel combined wallboard |
| CN206337722U (en) * | 2016-12-29 | 2017-07-18 | 山西中技金谷新型建材有限公司 | A kind of prefabricated assembled light steel concrete wallboard |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439151A (en) * | 2019-07-31 | 2019-11-12 | 上海市建筑装饰工程集团有限公司 | A kind of construction method of Modularized partition plate |
| CN110439151B (en) * | 2019-07-31 | 2021-04-06 | 上海市建筑装饰工程集团有限公司 | Construction method of modular partition board |
| CN112127516A (en) * | 2020-09-13 | 2020-12-25 | 北京工业大学 | Light steel wall connecting structure and connecting method based on buckle type and long round hole |
| CN112127517A (en) * | 2020-09-13 | 2020-12-25 | 北京工业大学 | Light steel wall connecting structure and connecting method based on buckle type and key type holes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110094000B (en) | 2020-09-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110094000A (en) | A kind of cold bending thin wall light steel composite wall piece of card key formula connecting structure | |
| CN107905456A (en) | A kind of detachable truss floor support plate connector and truss floor support plate structure | |
| CN108951969A (en) | Partition wall component | |
| KR200381862Y1 (en) | Outside Reinforcement Structure of Fabricated Water Tank | |
| CN207863447U (en) | A kind of roll forming scaffold board for climbing frame | |
| CN215671008U (en) | Support with equipment building templates | |
| CN214117103U (en) | Vertical keel mounting structure of assembled wall | |
| CN214696582U (en) | Assembled wallboard corner structure | |
| CN217079162U (en) | Reinforcing and connecting structure of building floor and building wallboard | |
| CN101113632A (en) | Reinforce ultra-thin stone honeycomb wallboard and manufacturing method therefor | |
| CN211502303U (en) | Multifunctional H-shaped steel | |
| CN110872876B (en) | Built-in world fossil fragments connecting piece and wall body thereof | |
| CN207453091U (en) | For the transverse beam corner connecting elements in assembled steel reinforced concrete house | |
| CN206971472U (en) | Light gauge cold-formed steel shape steel plate shear force wall | |
| KR20110058321A (en) | A junction hardware for knockdown element | |
| CN209779957U (en) | L-shaped connecting structure of light steel keel wall | |
| CN218581067U (en) | Assembled composite ceramic tile structure | |
| CN113756428B (en) | Floor slab and wallboard quick-assembly structure of box-plate type building, box-plate type building and construction method of quick-assembly structure | |
| CN214616071U (en) | Concatenation formula door frame | |
| CN220644726U (en) | Light wallboard | |
| CN220747232U (en) | Special steel structure for elevator shaft | |
| CN214532510U (en) | Mounting structure of assembled wall body and door frame | |
| CN211421710U (en) | Connecting assembly of concrete prefabricated part | |
| CN217326211U (en) | External wall insulation board installation construction mechanism for building construction | |
| CN216516589U (en) | Assembled structure steel column decoration mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200925 Termination date: 20210422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |