CN108560773B - Whole plate type ribbed PC thin plate heat-insulation fireproof system - Google Patents
Whole plate type ribbed PC thin plate heat-insulation fireproof system Download PDFInfo
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- CN108560773B CN108560773B CN201810617141.6A CN201810617141A CN108560773B CN 108560773 B CN108560773 B CN 108560773B CN 201810617141 A CN201810617141 A CN 201810617141A CN 108560773 B CN108560773 B CN 108560773B
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- cotton layer
- heat preservation
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- thin plate
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- 238000009413 insulation Methods 0.000 title abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 27
- 239000000565 sealant Substances 0.000 claims abstract description 5
- 229920000742 Cotton Polymers 0.000 claims description 25
- 238000004321 preservation Methods 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 17
- 238000009826 distribution Methods 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- 229910052602 gypsum Inorganic materials 0.000 claims description 3
- 239000010440 gypsum Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 241000384499 Isopachys Species 0.000 claims 1
- 210000001364 upper extremity Anatomy 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 9
- 239000004566 building material Substances 0.000 abstract description 2
- 239000012774 insulation material Substances 0.000 description 7
- 239000011490 mineral wool Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 229910001335 Galvanized steel Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000008397 galvanized steel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
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
-
- 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
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
-
- 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
- E04B2/7401—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using panels without a frame or supporting posts, with or without upper or lower edge locating rails
- E04B2/7403—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using panels without a frame or supporting posts, with or without upper or lower edge locating rails with special measures for sound or thermal insulation including fire protection
-
- 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
- E04B2/82—Removable non-load-bearing partitions; Partitions with a free upper edge characterised by the manner in which edges are connected to the building; Means therefor; Special details of easily-removable partitions as far as related to the connection with other parts of the building
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The invention relates to the field of building materials, in particular to a whole-plate type ribbed PC thin plate heat-insulation fireproof system which comprises a PC thin plate arranged on a main structure steel beam, wherein the upper end of the PC thin plate is fixedly connected with a first connecting seat of the main structure steel beam through a first anchor bolt, the lower end of the PC thin plate is fixedly connected with a second connecting seat of the main structure steel beam through a steel hanging piece, a gap between the PC thin plates is sealed through a sealant, the PC thin plate comprises a flat plate and reinforcing ribs, the reinforcing ribs are arranged on the inner side of the flat plate, and the reinforcing ribs are distributed at intervals in a strip shape or in a frame. After the scheme is adopted, the overall quality of the outer wall system is reduced, the stress requirement on the main body structure is reduced, and the hoisting in site construction is facilitated.
Description
Technical Field
The invention relates to the field of building materials, in particular to a whole plate type ribbed PC thin plate heat-insulation fireproof system.
Background
With the increasing application of the assembly type building in the field of Chinese building, the PC wallboard is an indispensable prefabricated component as an outer protective component of the assembly type building, and has the advantages of high integration, good production quality in a factory, material saving, labor saving, construction period saving, field construction environment protection and the like.
But at present, the PC wall panels widely used in the market still adopt common concrete slabs, 1, in terms of construction: the thickness of the PC wallboard is more than or equal to 100mm, the connection mode is mostly in an externally-hung mode, a single PC wallboard with the modulus of 2800x3000x100mm is taken as an example for calculation, the self weight of the single PC wallboard is about 21KN (1kN is 1000 Newton and approximately 100 kilograms of force), the single PC wallboard is heavy, the stress on a main body structure is not good, and the transportation, construction and hoisting are not convenient; 2. regarding the aspects of energy conservation and heat preservation of the external wall of the building: the heat conductivity coefficient of common concrete is about 1.74W/(m.k), the heat transfer coefficient of a PC wallboard with the thickness of 100mm is 4.76W/(m2.k), the heat transfer coefficient of an outer wall cannot reach the design standard of the outer wall of an energy-saving building, a heat-insulating layer needs to be added to the outer wall to ensure the thermal requirements of the whole building, but the integral thickness of an outer wall system is too large, the room rate is reduced, and certain defects exist.
Therefore, the present inventors have further studied and developed a whole-plate type heat-insulating and fireproof system for PC thin plates with ribs, and thus have resulted in the present invention.
Disclosure of Invention
The invention aims to provide a whole-plate type ribbed PC sheet heat-insulation fireproof system, which reduces the integral mass of an outer wall system, relieves the stress requirement on a main body structure, and is convenient for on-site construction and hoisting.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a whole board-like ribbed PC sheet metal fire protection system that keeps warm, is including installing the PC sheet metal on the major structure girder steel, the first connecting seat fixed connection of first crab-bolt and major structure girder steel is passed through to the upper end of PC sheet metal, and the second connecting seat fixed connection of steel pendant and major structure girder steel is passed through to the lower extreme of PC sheet metal, the gap between the PC sheet metal is sealed through sealed glue, and the PC sheet metal includes flat board, stiffening rib, the stiffening rib setting is in dull and stereotyped inboard, and the stiffening rib is bar interval distribution or frame type distribution.
Furthermore, a first heat-preservation cotton layer is embedded between the reinforcing ribs, and the thickness of the first heat-preservation cotton layer is equal to that of the reinforcing ribs.
Furthermore, a second heat-preservation cotton layer is laid on the reinforcing ribs and the first heat-preservation cotton layer, and the thickness of the second heat-preservation cotton layer is smaller than that of the first heat-preservation cotton layer.
Furthermore, the second heat preservation cotton layer is fixed on the reinforcing rib through a pull rod.
Furthermore, the thickness of the reinforcing rib is more than or equal to 40mm larger than that of the flat plate.
Further, sealant and foam bars are arranged between the PC thin plates.
Further, still include inside shrouding, inside shrouding is located the PC sheet metal inboard, and inside shrouding adopts light gauge steel gypsum board or light partition plate.
After adopting the scheme, compared with the prior art, the invention has the following advantages:
the interval of the reinforcing ribs of the PC sheet is determined by force calculation, the PC sheet with the reinforcing ribs is favorable for making a reverse decoration surface, the hard appearance effectively prevents cracking, and the waterproof performance of the sheet is improved; the construction and hoisting are convenient, the structure is positioned outside the room, and the hard appearance and the ribbed structure are favorable for resisting the external earthquake and wind load; compared with the traditional PC flat plate, the weight of the ribbed PC thin plate is reduced by about 20 percent, the steel amount of a main body structure can be saved, the stress requirement on the main body structure is reduced, and the ribbed PC thin plate is convenient to construct and hoist on site; the steel plate can be more firmly, conveniently and efficiently applied to fabricated steel structure buildings; the rib plate protruding parts are fully utilized, the wall body heat insulation material is filled in the rib plate protruding parts, the overall heat insulation performance of the outer wall is improved, the purpose of reducing the overall thickness of an outer wall system can be achieved, the wall body heat insulation material can be effectively protected, the defects that the heat insulation material is prone to cracking, poor in waterproofness and prone to falling are effectively overcome, and the heat insulation performance is utilized to the maximum.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is one of the schematic diagrams of a PC sheet;
FIG. 3 is one of the schematic diagrams of a PC sheet;
FIG. 4 is a cross-sectional view of a PC sheet;
FIG. 5 is a schematic view of a PC sheet belt window frame;
description of the reference symbols
A main body structure steel beam 1, a first connecting seat 2, a second connecting seat 3, a first anchor bolt 4,
a steel hanger 5, a PC thin plate 6, a flat plate 61, a reinforcing rib 62, a first heat-preservation cotton layer 63,
a second heat-preservation cotton layer 64, a pull rod 65, a galvanized steel plate 7, fireproof rock wool 8,
sealant and foam rod 9, floor slab 10, internal sealing plate 11.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
As shown in the figure, the whole-plate type ribbed PC thin plate heat-insulation fireproof system comprises a PC thin plate 6 installed on a main structure steel beam 1, and an internal sealing plate 11 and a heat-insulation material are matched to form the heat-insulation fireproof system. The inner sealing plate 11 is positioned on the inner side of the PC thin plate 6, a light steel keel gypsum board (a heat insulation material can be embedded) or a light partition board can be adopted, the heat conductivity coefficient of the inner sealing plate 11 is low, and the overall heat insulation and energy saving effect is improved; the prefabricated steel structure building has the advantages of good overall performance, light weight, excellent heat insulation performance, good finished product quality, dry construction and mature installation technology, is conveniently and efficiently applied to prefabricated steel structure buildings, and can reduce the thickness of plates, save indoor space and improve the room rate under the same energy-saving requirement.
Wherein the fixed first connecting seat 2 that is provided with in major structure girder steel 1's bottom flange, the fixed second connecting seat 3 that is provided with in last flange, first connecting seat 2, all be provided with the angle steel on the second connecting seat 3 as the adaptor, the angle steel on the first connecting seat 2 is connected with 6 upper portions of PC sheet metal through first crab-bolt 4, the angle steel on the second connecting seat 3 agrees with through the lower part that sets up steel pendant 5 and PC sheet metal 6, entire system's load all is direct biography power in major structure girder steel 1's top flange, the bottom flange. Wherein, the second connecting seat 3 can also be embedded in the floor slab 10.
The PC thin plate 6 comprises a flat plate 61 and reinforcing ribs 62 which are formed by solidifying common concrete, the reinforcing ribs 62 are arranged on the inner surface (facing indoor) of the flat plate 61, the reinforcing ribs 62 are distributed in a strip-shaped interval mode (figure 2) or a frame-shaped mode (figure 3), a first heat-insulating cotton layer 63 is laid between the reinforcing ribs 62 and is as high as the reinforcing ribs 62, the heat-insulating cotton layer is thicker, a second heat-insulating cotton layer 64 is laid on the first heat-insulating cotton layer 63 and the reinforcing ribs 62, the thickness of the second heat-insulating cotton layer 64 is thinner than that of the first heat-insulating cotton layer 63, and the second heat-insulating cotton layer 64 is fixed on the reinforcing ribs 62 by arranging pull rods 65 so as to enhance the integrity and improve the construction quality and the. Considering the actual structural strength and the weight reduction ratio, the thickness of the reinforcing rib 62 is more than or equal to 40mm than that of the flat plate 61, the PC thin plate 6 bears various external unfavorable loads of the building, and in order to meet the structural safety, the height and the width of the reinforcing rib 62 are changed, the space of the reinforcing rib 62 is fully utilized, the first heat-preservation cotton layer 63 is filled and embedded in the reinforcing rib 62, the energy-saving and heat-preservation performance of the building is enhanced, the weight of the component is reduced, and the heat preservation of the wall body can be enhanced. The reinforcing ribs 62 can be partially embedded into the indoor part, so that the wall space is fully utilized, and the steel structure can be more firmly, conveniently and efficiently applied to fabricated steel structure buildings. External load is born by flat board 61 and stiffening rib 62 jointly to adopt the mounting means of embedding hanging combination, effectively prevent the risk of droing, improve outer wall security performance. The heat insulation material is embedded in the PC sheet 6, so that the overall thickness of the outer wall system is effectively reduced by about 20%, the indoor space is saved, the room rate is improved, the plate 61 is effectively protected, and the heat insulation performance is maximally utilized; therefore, the purposes of light weight and high heat insulation of the outer wall system are achieved, the defects that the heat insulation material is easy to crack, poor in waterproofness, easy to fall off and the like are effectively overcome, and the heat insulation performance is utilized to the maximum.
The concrete manufacturing process of the ribbed PC sheet 6 comprises the following steps:
1. cleaning the die table, spraying a release agent, and fixing a steel template as required; 2. fixing the flat plate 61 outside the steel bars on the steel template; 3. fixing the steel hanging piece 5 at a corresponding position and reserving an installation position of a first anchor bolt 4; 4. pouring common concrete to a specified thickness to form a flat plate, and after initial setting; 5. pouring concrete to a specified height to form reinforcing ribs 62; 9. covering the protective film and carrying out steam curing; 10. and after the curing time is enough and the strength of the concrete is reached, removing the mould and warehousing to finish the manufacture of the ribbed PC sheet 6.
After the PC sheets 6 are installed, in order to meet the fireproof requirement, fireproof plugs are required to be arranged between the PC sheets 6, the fireproof plugs are composed of 1.5mm galvanized steel plates 7 and fireproof rock wool 8 together, the two PC sheets 6 are plugged through sealant and foam rods 9, the fireproof rock wool 8 is filled between the PC sheets 6 and the main structure steel beam 1, and the galvanized steel plates 7 are additionally arranged between the fireproof rock wool 8 and the first heat-preservation cotton layer 63.
If a window is formed at the PC sheet, it is equivalent to cutting a part of the window as a space for forming the window on the basis of fig. 3, and as shown in fig. 5, the reinforcing rib 62 simultaneously functions as a window frame and reserves a filling space of an insulating material around the window frame.
The exterior of the PC sheet 6 can be provided with paint, metal plates, stone and other decorative surfaces to realize the diversity and the aesthetic property of the architectural appearance.
The above description is only an embodiment of the present invention, and all the terms such as "upper", "lower", "left", "right", "middle", etc. in the present invention are used as reference and not absolutely limited, and all the insubstantial modifications made by the present invention shall fall within the scope of infringing the present invention.
Claims (5)
1. The utility model provides a whole board-like ribbed PC sheet metal heat preservation fire protection system which characterized in that: including installing the PC sheet metal on the major structure girder steel, the upper end of PC sheet metal is through the first connecting seat fixed connection of first crab-bolt and major structure girder steel, and the second connecting seat fixed connection of steel pendant and major structure girder steel is passed through to the lower extreme of PC sheet metal, and entire system's load all is direct biography power in the upper limb of major structure girder steel, the bottom wing edge, gap between the PC sheet metal is sealed through sealed glue, and the PC sheet metal includes flat board, stiffening rib, the stiffening rib sets up at dull and stereotyped inboard, and the stiffening rib is bar interval distribution or frame profile distribution, embedded first heat preservation cotton layer between the stiffening rib, and first heat preservation cotton layer and stiffening rib isopachy, lay the cotton layer of second heat preservation on stiffening rib and the first heat preservation cotton layer, the thickness on the cotton layer of second heat preservation is less than the cotton layer of first heat preservation.
2. The system of claim 1, wherein the system comprises: the second heat preservation cotton layer is fixed on the reinforcing rib through a pull rod.
3. The system of claim 1, wherein the system comprises: the thickness of the reinforcing rib is more than or equal to 40mm larger than that of the flat plate.
4. The system of claim 1, wherein the system comprises: and sealant and foam bars are arranged between the PC sheets.
5. The system of claim 1, wherein the system comprises: still include inside shrouding, inside shrouding is located the PC sheet metal inboard, and inside shrouding adopts light gauge steel gypsum board or light partition plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810617141.6A CN108560773B (en) | 2018-06-15 | 2018-06-15 | Whole plate type ribbed PC thin plate heat-insulation fireproof system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810617141.6A CN108560773B (en) | 2018-06-15 | 2018-06-15 | Whole plate type ribbed PC thin plate heat-insulation fireproof system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108560773A CN108560773A (en) | 2018-09-21 |
| CN108560773B true CN108560773B (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810617141.6A Active CN108560773B (en) | 2018-06-15 | 2018-06-15 | Whole plate type ribbed PC thin plate heat-insulation fireproof system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106284682A (en) * | 2016-08-18 | 2017-01-04 | 浙江绿筑建筑系统集成有限公司 | A kind of lower load-bearing precast concrete exterior wall and the connection node of girder steel |
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| CN107201791A (en) * | 2017-07-06 | 2017-09-26 | 江苏中南建筑产业集团有限责任公司 | A kind of new assembling type steel structure external wall system |
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| CN207277674U (en) * | 2017-09-26 | 2018-04-27 | 杭州泽通建筑节能新材料有限公司 | Armored concrete and air entrained concrete composite thermo-insulating wall board |
| CN208545850U (en) * | 2018-06-15 | 2019-02-26 | 绍兴精工绿筑集成建筑系统工业有限公司 | A kind of complete board type PC thin plate heat insulating and fireproof system with ribbing |
-
2018
- 2018-06-15 CN CN201810617141.6A patent/CN108560773B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106284682A (en) * | 2016-08-18 | 2017-01-04 | 浙江绿筑建筑系统集成有限公司 | A kind of lower load-bearing precast concrete exterior wall and the connection node of girder steel |
| CN207160349U (en) * | 2017-05-04 | 2018-03-30 | 浙江绿筑集成科技有限公司 | A kind of dot point rotatably plug-in PC wallboard connecting mechanisms and device |
| CN107190865A (en) * | 2017-06-27 | 2017-09-22 | 浙江绿筑集成科技有限公司 | Two point form steel construction and PC exterior wall connecting nodes above and below one kind |
| CN107268818A (en) * | 2017-07-05 | 2017-10-20 | 浙江绿筑集成科技有限公司 | PC lightweight composite sandwich heat-insulating integral wallboards |
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| CN107268839A (en) * | 2017-08-03 | 2017-10-20 | 青岛理工大学 | Assembly type semi-embedded semi-hung external wall panel heat insulation structure |
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| CN207277674U (en) * | 2017-09-26 | 2018-04-27 | 杭州泽通建筑节能新材料有限公司 | Armored concrete and air entrained concrete composite thermo-insulating wall board |
| CN208545850U (en) * | 2018-06-15 | 2019-02-26 | 绍兴精工绿筑集成建筑系统工业有限公司 | A kind of complete board type PC thin plate heat insulating and fireproof system with ribbing |
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| CN108560773A (en) | 2018-09-21 |
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Application publication date: 20180921 Assignee: Anhui Zhihong Precision Construction Technology Co.,Ltd. Assignor: ZHEJIANG GREEN BUILDING INTEGRATION TECHNOLOGIES Co.,Ltd. Contract record no.: X2023990000037 Denomination of invention: A whole-plate ribbed PC sheet thermal insulation and fire protection system Granted publication date: 20200619 License type: Common License Record date: 20230113 |
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Application publication date: 20180921 Assignee: Jiangxi Huahong Jinggong Steel Structure Co.,Ltd. Assignor: ZHEJIANG GREEN BUILDING INTEGRATION TECHNOLOGIES Co.,Ltd. Contract record no.: X2023980034645 Denomination of invention: A Whole Plate Ribbed PC Thin Plate Thermal Insulation and Fire Protection System Granted publication date: 20200619 License type: Common License Record date: 20230413 |
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Application publication date: 20180921 Assignee: Jiangsu Lvjian Jinggong Technology Co.,Ltd. Assignor: ZHEJIANG GREEN BUILDING INTEGRATION TECHNOLOGIES Co.,Ltd. Contract record no.: X2023980034833 Denomination of invention: A Whole Plate Ribbed PC Thin Plate Thermal Insulation and Fire Protection System Granted publication date: 20200619 License type: Common License Record date: 20230421 |