CN109138242B - Fireproof curtain wall - Google Patents
Fireproof curtain wall Download PDFInfo
- Publication number
- CN109138242B CN109138242B CN201811143080.0A CN201811143080A CN109138242B CN 109138242 B CN109138242 B CN 109138242B CN 201811143080 A CN201811143080 A CN 201811143080A CN 109138242 B CN109138242 B CN 109138242B
- Authority
- CN
- China
- Prior art keywords
- fireproof
- curtain wall
- fire
- resistant
- plate
- 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.)
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Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 69
- 239000010959 steel Substances 0.000 claims abstract description 69
- 229920000742 Cotton Polymers 0.000 claims abstract description 57
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 239000000565 sealant Substances 0.000 claims abstract description 18
- 230000009970 fire resistant effect Effects 0.000 claims description 20
- 239000003292 glue Substances 0.000 claims description 18
- 230000002265 prevention Effects 0.000 claims description 14
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 3
- 238000009434 installation Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000002131 composite material Substances 0.000 description 8
- 239000011521 glass Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 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
- E04B2/88—Curtain walls
- E04B2/96—Curtain walls comprising panels attached to the structure through mullions or transoms
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/948—Fire-proof sealings or joints
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a fireproof curtain wall, which comprises a fireproof composited steel keel, a curtain wall plate, a pressing plate, a locking bolt and a connecting bolt, wherein a connecting table is formed on the fireproof composited steel keel, a sealant is clamped at the edge of at least one side far away from the connecting table on the fireproof composited steel keel, a fireproof cotton strip clung to the fireproof composited steel keel is arranged between the sealant and the connecting table, the curtain wall plate is borne on the sealant, the pressing plate is pressed on the curtain wall plate and is in locking connection with the connecting table through the locking bolt, the connecting bolt is connected with the fireproof composited steel keel and a foundation frame, and projections of the connecting bolt and the fireproof cotton strip on a receiving surface of the curtain wall plate are arranged in a staggered manner avoiding each other. The fireproof curtain wall has the advantages of simple structure, ingenious design, low cost, high fireproof performance and sealing performance and high installation efficiency.
Description
Technical Field
The invention mainly relates to the field of constructional engineering, in particular to a fireproof curtain wall.
Background
Curtain walls generally include steel curtain walls and aluminum curtain walls, which are easy to form and manufacture, but which do not have fireproof performance. The current steel curtain wall includes steel joist, steel clamp plate, glass board and bolt, the glass board passes through steel clamp plate and bolt and produces to be connected with the steel joist, can beat the sealing gum between glass board and steel joist and the steel clamp plate in order to guarantee sealing performance and joint strength, current steel curtain wall compares in aluminium matter curtain wall possesses fine fire behavior, but when, its sealing gum is a pain point in the whole fire behavior, once take place for the calamity, the sealing gum is burnt easily, even make and produce the clearance between glass board and steel joist and the steel clamp plate, the flame often can be rolled in from this clearance. Therefore, further improvement of the fireproof performance of the steel curtain wall is a technical problem to be solved urgently.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing the fireproof curtain wall which has the advantages of simple structure, ingenious design, low cost, high fireproof performance and sealing performance and high installation efficiency.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a fire prevention formula curtain, but fire-resistant composite steel joist, curtain wallboard, clamp plate, locking bolt and connecting bolt, but the shaping has the connection platform on the fire-resistant composite steel joist, but the sealing gum is equipped with to the card of at least one side border department of keeping away from the connection platform on the fire-resistant composite steel joist, be provided with the fire prevention cotton strip of hugging closely with fire-resistant composite steel joist between sealing gum and the connection platform, the curtain board bears on the sealing gum, the clamp plate is pressed and is established on the curtain wallboard and is connected with the connection platform locking through the locking bolt, but connecting bolt connects fire-resistant composite steel joist and foundation frame, the projection of connecting bolt and fire prevention cotton strip at the curtain board holding surface is dislocation arrangement that avoids each other.
As a further improvement of the above technical scheme:
the fireproof composite steel joist is arranged to be an opening profile joist, the opening profile joist is bent and formed at the middle position and provided with the connecting table, the fireproof composite steel joist is bent and formed at two sides of the connecting table and provided with a dislocation mounting groove, the head of the connecting bolt is positioned in the dislocation mounting groove, and the fireproof cotton strip is positioned at the outer side of the dislocation mounting groove.
The fireproof composite steel joist is provided with a cotton strip clamping groove in a bending mode at the outer side of the staggered mounting groove, and the fireproof cotton strip is clamped in the cotton strip clamping groove.
The glue groove is formed between two fracture edges of the fireproof composited steel keel, the curtain wall plate and the foundation frame, and the sealant is arranged in the glue groove.
The curtain wall plate is borne on the sealant and the fireproof cotton strips.
A stop part for limiting the end part of the curtain wall plate is formed between the dislocation mounting groove and the cotton strip clamping groove.
Structural adhesive is arranged between the pressing plate and the curtain wall plate.
The detachable cover plate is arranged outside the pressing plate.
Compared with the prior art, the invention has the advantages that:
when the fireproof curtain wall is installed, the fireproof composited steel keels are fixedly connected with the foundation framework through the connecting bolts, then the sealing glue is clamped at the edge of the fireproof composited steel keels, the fireproof cotton strips are clamped between the sealing glue and the connecting table, the curtain wall plate is borne on the sealing glue, the pressing plate is pressed on the curtain wall plate, the locking bolts are used for penetrating the pressing plate and are connected with the connecting table, and when the locking bolts are further screwed, the locking bolts drive the curtain wall plate to be pressed on the sealing glue through the pressing plate. Compared with the traditional structure, the fireproof composited steel joist is not used as a main bearing structure and is suitable for steel structure buildings, namely, the existing built foundation frame is used as the main bearing structure (corresponding to the main joist), the light joist is connected with the light joist through the connecting bolts, the self weight of other parts such as the follow-up curtain wall boards and the like can be transmitted to the foundation frame through the light joist, firstly, the foundation frame is fully utilized, and the influence on the appearance effect caused by mutual dislocation of the fireproof composited steel joist and the steel structure column is avoided; on the other hand, the structure of the fireproof composited steel joist is greatly simplified, the cost is reduced, the connecting bolts and the fireproof cotton strips are arranged in a staggered mode that the connecting bolts and the fireproof cotton strips are kept away from each other in the same horizontal plane, so that the fireproof cotton strips cannot interfere with the connecting bolts, and the flatness of the fireproof cotton strips after being installed is guaranteed. The fireproof curtain wall forms a steel curtain wall, has good fireproof performance, and the sealant ensures the air tightness and the water tightness of the curtain wall; the fireproof cotton strips are arranged on the bearing surface of the fireproof compositeable steel joist, a fire-isolating layer is further formed, and when the sealant is burnt for disaster, the fireproof cotton strips form a partition, so that flame is prevented from being involved, and the fireproof performance of the steel curtain wall is remarkably improved; and moreover, the fireproof cotton strips and the connecting table form a clamping connection, so that the fireproof cotton strips can be rapidly positioned and mounted on the fireproof composited steel keels, the back sizing of the fireproof cotton strips is not required to be bonded with the fireproof composited steel keels, the mounting efficiency is greatly improved, the mounting cost is reduced, and the fireproof cotton strips are simple in structure and ingenious in design.
Drawings
Fig. 1 is a schematic view of the structure of the fire-proof curtain wall of the present invention.
The reference numerals in the drawings denote:
1. fireproof composited steel keel; 11. a connection station; 12. a staggered mounting groove; 13. a cotton strip clamping groove; 14. a glue groove; 15. a stop portion; 2. curtain wall plates; 3. a pressing plate; 4. a locking bolt; 5. sealing glue; 6. fireproof cotton strips; 7. a connecting bolt; 8. structural adhesive; 9. and a cover plate.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific examples.
As shown in fig. 1, in the first embodiment of the fireproof curtain wall of the invention, the fireproof curtain wall comprises a fireproof composited steel keel 1, a curtain wall plate 2, a pressing plate 3, locking bolts 4 and connecting bolts 7, wherein a connecting table 11 is formed on the fireproof composited steel keel 1, a sealant 5 is clamped at the edge of at least one side far away from the connecting table 11 on the fireproof composited steel keel 1, a fireproof cotton strip 6 clung to the fireproof composited steel keel 1 is arranged between the sealant 5 and the connecting table 11, the curtain wall plate 2 is borne on the sealant 5, the pressing plate 3 is pressed on the curtain wall plate 2 and is in locking connection with the connecting table 11 through the locking bolts 4, the connecting bolts 7 are connected with the fireproof composited steel keel 1 and a base frame, and projections of the connecting bolts 7 and the fireproof cotton strip 6 on a receiving surface of the curtain wall plate 2 are arranged in a mutually avoiding dislocation mode. During installation of the curtain wall, the fireproof composited steel keel 1 is fixedly connected with the foundation framework through the connecting bolts 7, then the sealing glue 5 is clamped at the edge of the fireproof composited steel keel 1, the fireproof cotton strips 6 are clamped between the sealing glue 5 and the connecting table 11, the curtain wall board 2 is borne on the sealing glue 5, the pressing plate 3 is pressed on the curtain wall board 2, the locking bolts 4 are used for penetrating the pressing plate 3 and are connected with the connecting table 11, and when the locking bolts 4 are further screwed, the locking bolts 4 drive the curtain wall board 2 to be pressed on the sealing glue 5 through the pressing plate 3. Compared with the traditional structure, the fireproof composited steel keel 1 is not used as a main bearing structure and is suitable for steel structure buildings, namely, an existing built foundation frame is used as a main bearing structure (corresponding to a main keel), a light keel is connected with the light keel through a connecting bolt 7, the self weight of other parts such as a subsequent curtain wall plate 2 and the like can be transmitted to the foundation frame through the light keel, so that the foundation frame is fully utilized, and the influence on the appearance effect caused by mutual dislocation of the fireproof composited steel keel 1 and a steel structure column is avoided; on the other hand, the structure of the fireproof composited steel joist 1 is greatly simplified, the cost is reduced, the connecting bolts 7 and the fireproof cotton strips 6 are arranged in a staggered manner in the same horizontal plane in a mutually avoiding manner, namely, the fireproof cotton strips 6 can not interfere with the connecting bolts 7, and the flatness of the fireproof cotton strips 6 after being installed is ensured. The fireproof curtain wall forms a steel curtain wall, has good fireproof performance, and the sealant 5 ensures the air tightness and the water tightness of the curtain wall; the fireproof cotton strips 6 are arranged on the bearing surface of the fireproof compositeable steel joist 1, a fire-proof layer is further formed, and when the sealant 5 burns due to disaster, the fireproof cotton strips 6 form a partition, so that flame is prevented from being involved, and the fireproof performance of the steel curtain wall is remarkably improved; and, fire prevention cotton strip 6 forms the joint with connection platform 11 for fire prevention cotton strip 6 can fix a position fast and install on fire-resistant composable steel joist 1, need not glue at fire prevention cotton strip 6 back and bond with fire-resistant composable steel joist 1, has improved installation effectiveness greatly, has reduced installation cost, its simple structure, design benefit.
In this embodiment, the fireproof composited steel joist 1 is set as an open profile joist, the open profile joist is provided with a connecting table 11 in a bending mode at the middle position, the fireproof composited steel joist 1 is provided with a dislocation mounting groove 12 in a bending mode at two sides of the connecting table 11, the head of the connecting bolt 7 is positioned in the dislocation mounting groove 12, and the fireproof cotton strip 6 is positioned at the outer side of the dislocation mounting groove 12. In this structure, connecting bolt 7 wears to locate in dislocation mounting groove 12 and fasten with the foundation frame to connect fire-resistant composable steel joist 1 and foundation frame, and fire prevention cotton strip 6 is located dislocation mounting groove 12's outside, is the dislocation relation of personally submitting each other at same level at connecting bolt 7 and fire prevention cotton strip 6 promptly, and fire prevention cotton strip 6 is fine has avoided connecting bolt 7, has guaranteed the roughness after the installation of fire prevention cotton strip 6, its simple structure, design benefit.
In this embodiment, the fireproof composited steel joist 1 is bent and formed with a cotton strip clamping groove 13 at the outer side of the dislocation mounting groove 12, and the fireproof cotton strip 6 is clamped in the cotton strip clamping groove 13. In this structure, fire-proof cotton strip 6 is clamped by cotton strip clamping groove 13, and the structure is simple and practical.
In this embodiment, a glue groove 14 is formed between two fracture edges of the fireproof compositeable steel joist 1 and the curtain wall plate 2 as well as the foundation frame, and the sealant 5 is arranged in the glue groove 14. In this structure, the sealant 5 is clamped through the glue groove 14, and the structure is simple and practical.
In this embodiment, the curtain wall board 2 is carried on the sealant 5 and the fireproof cotton strip 6. In this structure, curtain board 2 bears simultaneously on sealant 5 and fire prevention cotton strip 6, has the effect of compressing tightly promptly to fire prevention cotton strip 6 equally, has further improved fire prevention cotton strip 6's stability and reliability.
In this embodiment, a stop portion 15 for limiting the end portion of the curtain wall plate 2 is formed between the dislocation mounting groove 12 and the cotton strip clamping groove 13. The stop portion 15 can transversely limit the curtain wall plate 2, and installation efficiency and installation quality are improved.
In this embodiment, a structural adhesive 8 is disposed between the pressure plate 3 and the curtain wall plate 2. The structural adhesive 8 can be wet adhesive or dry adhesive, so as to ensure air tightness and water tightness between the pressing plate 3 and the curtain wall plate 2 and prevent the locking bolt 4 from being corroded.
In this embodiment, the detachable cover plate 9 is mounted on the outside of the pressing plate 3. The cover plate 9 can cover the locking bolt 4, so that on one hand, the flatness of the appearance is ensured, and the visual effect of the appearance is improved; on the other hand, the locking bolt 4 can be prevented from being corroded by rainwater.
While the invention has been described in terms of preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the invention. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a fire prevention formula curtain which characterized in that: including fire-resistant composited steel joist (1), curtain board (2), clamp plate (3), locking bolt (4) and connecting bolt (7), the shaping has connecting bench (11) on fire-resistant composited steel joist (1), and sealing compound (5) are equipped with in the department of keeping away from at least one side border of connecting bench (11) on fire-resistant composited steel joist (1), be provided with between sealing compound (5) and connecting bench (11) with fire-resistant composited steel joist (1) closed fireproof cotton strip (6), curtain board (2) bear on sealing compound (5), clamp plate (3) are pressed and are established on curtain board (2) and pass through locking bolt (4) and connecting bench (11) locking connection, connecting bolt (7) connect fire-resistant composited steel joist (1) and basic frame, the projection of connecting bolt (7) and fireproof cotton strip (6) in curtain board (2) accepting face is dislocation arrangement that avoids each other, fire-resistant composited steel joist (1) set up to open-ended profile, open-ended profile joist is in intermediate position bending, but connecting bench (11) are located dislocation shaping groove (12) and connecting bench (12), the fireproof cotton strips (6) are positioned on the outer sides of the staggered mounting grooves (12).
2. The fire-resistant curtain wall of claim 1, wherein: the fireproof composited steel keel (1) is provided with a cotton strip clamping groove (13) in a bending mode at the outer side of the staggered mounting groove (12), and the fireproof cotton strip (6) is clamped in the cotton strip clamping groove (13).
3. The fire-resistant curtain wall of claim 2, wherein: and a glue groove (14) is formed between two fracture edges of the fireproof compositeable steel keel (1) and the curtain wall plate (2) and the foundation frame, and the sealant (5) is arranged in the glue groove (14).
4. A fire-resistant curtain wall according to claim 2 or 3, characterized in that: the curtain wall plate (2) is borne on the sealant (5) and the fireproof cotton strips (6).
5. The fire-resistant curtain wall of claim 4, wherein: a stop part (15) for limiting the end part of the curtain wall plate (2) is formed between the dislocation mounting groove (12) and the cotton strip clamping groove (13).
6. A fire-resistant curtain wall according to any one of claims 1 to 3, wherein: structural adhesive (8) is arranged between the pressing plate (3) and the curtain wall plate (2).
7. A fire-resistant curtain wall according to any one of claims 1 to 3, wherein: the detachable cover plate (9) is arranged outside the pressing plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811143080.0A CN109138242B (en) | 2018-09-28 | 2018-09-28 | Fireproof curtain wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811143080.0A CN109138242B (en) | 2018-09-28 | 2018-09-28 | Fireproof curtain wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109138242A CN109138242A (en) | 2019-01-04 |
| CN109138242B true CN109138242B (en) | 2023-09-05 |
Family
ID=64813565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811143080.0A Active CN109138242B (en) | 2018-09-28 | 2018-09-28 | Fireproof curtain wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109138242B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395619A (en) * | 2020-04-24 | 2020-07-10 | 广东非丰公共安全科技有限公司 | Novel fireproof curtain wall |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2002302076A1 (en) * | 2001-11-20 | 2003-06-12 | Monarch Group Pty Limited | Concertina panel wall |
| JP2008240355A (en) * | 2007-03-27 | 2008-10-09 | A & A Material Corp | Structure and method for connecting column or beam to fireproof partition wall |
| CN201649372U (en) * | 2010-01-05 | 2010-11-24 | 深圳市方大装饰工程有限公司 | Fireproof glass curtain wall with hidden frame |
| KR20100132104A (en) * | 2009-06-09 | 2010-12-17 | (주)원남양행 | Fastening structure of curtain wall system |
| JP2011190613A (en) * | 2010-03-15 | 2011-09-29 | Takenaka Komuten Co Ltd | Composite fireproof structure for curtain wall, and building |
| CN104358335A (en) * | 2014-10-22 | 2015-02-18 | 湖南省金为型材有限公司 | Fireproof curtain wall system |
| CN204898970U (en) * | 2015-08-31 | 2015-12-23 | 王宇轩 | Sealed fire prevention heat preservation curtain |
| CN205242759U (en) * | 2015-11-18 | 2016-05-18 | 清远市科建门窗幕墙装饰有限公司 | Connection structure of glass curtain wall and fossil fragments |
| CN205444601U (en) * | 2015-12-31 | 2016-08-10 | 上海皓京实业股份有限公司 | Stack curtain profile section frame |
| CN207122031U (en) * | 2017-08-23 | 2018-03-20 | 北京城建深港建筑装饰工程有限公司 | A kind of concealed frame glass curtain wall system with glass supporting plate |
| CN207646971U (en) * | 2017-12-19 | 2018-07-24 | 青岛宏海幕墙有限公司 | A kind of imitative concealed frame glass curtain wall |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2016100344A4 (en) * | 2015-12-01 | 2016-05-05 | Safety Of The World Pty Ltd | Fire shelter |
-
2018
- 2018-09-28 CN CN201811143080.0A patent/CN109138242B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2002302076A1 (en) * | 2001-11-20 | 2003-06-12 | Monarch Group Pty Limited | Concertina panel wall |
| JP2008240355A (en) * | 2007-03-27 | 2008-10-09 | A & A Material Corp | Structure and method for connecting column or beam to fireproof partition wall |
| KR20100132104A (en) * | 2009-06-09 | 2010-12-17 | (주)원남양행 | Fastening structure of curtain wall system |
| CN201649372U (en) * | 2010-01-05 | 2010-11-24 | 深圳市方大装饰工程有限公司 | Fireproof glass curtain wall with hidden frame |
| JP2011190613A (en) * | 2010-03-15 | 2011-09-29 | Takenaka Komuten Co Ltd | Composite fireproof structure for curtain wall, and building |
| CN104358335A (en) * | 2014-10-22 | 2015-02-18 | 湖南省金为型材有限公司 | Fireproof curtain wall system |
| CN204898970U (en) * | 2015-08-31 | 2015-12-23 | 王宇轩 | Sealed fire prevention heat preservation curtain |
| CN205242759U (en) * | 2015-11-18 | 2016-05-18 | 清远市科建门窗幕墙装饰有限公司 | Connection structure of glass curtain wall and fossil fragments |
| CN205444601U (en) * | 2015-12-31 | 2016-08-10 | 上海皓京实业股份有限公司 | Stack curtain profile section frame |
| CN207122031U (en) * | 2017-08-23 | 2018-03-20 | 北京城建深港建筑装饰工程有限公司 | A kind of concealed frame glass curtain wall system with glass supporting plate |
| CN207646971U (en) * | 2017-12-19 | 2018-07-24 | 青岛宏海幕墙有限公司 | A kind of imitative concealed frame glass curtain wall |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109138242A (en) | 2019-01-04 |
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Effective date of registration: 20240320 Granted publication date: 20230905 |
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