CN205024949U - Take steel bar truss gypsum board of heat preservation, novel -in -place mould - Google Patents
Take steel bar truss gypsum board of heat preservation, novel -in -place mould Download PDFInfo
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- CN205024949U CN205024949U CN201520669675.5U CN201520669675U CN205024949U CN 205024949 U CN205024949 U CN 205024949U CN 201520669675 U CN201520669675 U CN 201520669675U CN 205024949 U CN205024949 U CN 205024949U
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Abstract
The utility model discloses a take steel bar truss gypsum board of heat preservation, novel -in -place mould, the heat preservation that the bottom plate made including the gypsum board and below set up, bottom plate top then set up several rows of steel bar truss, and steel bar truss is parallel to each other or perpendicularly. The utility model discloses combine the heat preservation together through bonding or drawknot spare with -in -place mould, make the heat preservation become the partly of -in -place mould. The -in -place mould that it used adopts the gypsum board, sets up steel bar truss on the gypsum board, and steel bar truss comprises crossbeam and support, and the support foot is poured into a mould in the gypsum board, gypsum board sclerosis back, and steel bar truss becomes the stiffening rib of gypsum board to the steel bar truss gypsum template of heat preservation is taken in formation. Steel bar truss gypsum template hoist and mount to the appointed floor that to take the heat preservation during construction supports as wall body external mold, installation temporarily to the assembling reinforcement, lay the pipeline, then installation wall body centre form, carry out the concrete placement in the cavity that external mold and centre form formed, form thermal insulation wall.
Description
Technical field
The utility model relates to a kind of floor or wallboard of building construction, especially a kind of steel bar girder gypsum plank, Novel free form removal with insulation layer.
Background technology
In the building construction of China, more and more high to the requirement of housing energy saving, and the technology that this wherein generally and extensively adopts is External Thermal Insulation Technology for External, as: polystyrol plastic foam plate external insulating system for thinly plastered external wall.At present there is the problems such as construction quality is uneven, supervision difficulty in these External Thermal Insulation Technology for External mostly, and the accident that external wall outer insulation comes off, breaking out of fire is even more serious like this when constructing even occurs.This one of them important reason is just that External Thermal Insulation Technology for External is work high above the ground, execution conditions are poor, the agent structure of external wall insulating layer and building construction is adhesively fixed loosely, take place frequently from making the accident resulting from poor quality of projects of external wall outer insulation, thus produce the potential safety hazard of building construction, increase the maintenance cost of building construction.
Utility model content
The purpose of this utility model is to provide a kind of steel bar girder gypsum plank, Novel free form removal with insulation layer, and it can effectively solve Problems existing in background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of steel bar girder gypsum plank, Novel free form removal and construction method with insulation layer, comprises insulation layer, prefabricated gypsum plate, steel bar girder.It is characterized in that: using prefabricated gypsum plate as base plate, in base plate bottom, insulation layer is set, ribs simultaneously using steel bar girder as prefabricated gypsum plate, steel bar girder is parallel to each other or intersects vertically, the steel bar girder used in prefabricated gypsum plate is metal or nonmetal truss, and steel bar girder can be space shape truss, also can be plane frame, truss is made up of crossbeam and support, and bracket feet is cast in gypsum plank.
Preferably, comprise one or more in fiber or fleece or gauze wire cloth, it is inner and cover the whole plate face of described gypsum plank that described fiber or fleece or gauze wire cloth are arranged on gypsum plank.The fiber used in described gypsum plank can be any one existing known fiber, as: glass fiber, basalt fibre, carbon fiber, wood fiber, steel fibre, polyester fiber, Fypro, vinal, polyacrylonitrile fibre, polypropylene fibre, polyvinyl chloride fibre, whisker; The fleece used in gypsum plank can be any one existing known fleece, as: glass fiber mesh, alkali-resistant glass fibre net, carbon fibre web; The gauze wire cloth used in gypsum plank can be any one existing gauze wire cloth, as: ordinary steel silk screen, cover plastic-steel silk screen, the wire gauze that sprays paint, galvanized steel wire netting, stainless steel cloth, steel mesh reinforcement etc.
Preferably, described insulation layer is extruded polystyrene board, polystyrol plastic foam plate, polyurathamc plate, foam concrete plate, Ceramsite concrete slab, granular polystyrene foam concrete plate, aerated concrete panel.Preferably, the reinforcing bar of described steel bar girder is metal or nonmetal reinforcing bar, and described nonmetal reinforcing bar is glass fiber reinforcing bar, basalt fibre reinforcing bar, carbon fiber reinforcing bar.
Further, described insulation layer is arranged between gypsum plank and topping; Filler is provided with between described gypsum plank and inner formword.
Further; described gypsum plank is as base plate; in base plate bottom, insulation layer is set; at the outer setting topping of insulation layer, the protective layer material that insulation layer uses includes but not limited to: gypsum plank, fibrous plaster, waterproof gypsum board, cement pressure plate, polymer cement mortar topping, fiber cement board, GRC plate, armored concrete slab.
Further, described gypsum plank, as base plate, arranges insulation layer in base plate bottom, and at the outer setting topping of insulation layer, subsidiary waterproof or outer decorative layer on topping, these waterproof or decorative layer include but not limited to face brick, coating, paint.
Further, described gypsum plank is as base plate, and on base plate, place light filling thing or formwork between steel bar girder, light filling thing or formwork are adhered on gypsum plank.These light filling things can be any one existing fillers, as foam concrete block, haydite concrete block, granular polystyrene foam concrete block, air-mixed concrete pieces, extruded polystyrene board, polystyrol plastic foam plate, polyurathamc plate etc.; These formworks can be any one existing building forms, as plastic form, frp mould, plaster mould shell, magnesite formwork, precast concrete formwork.
Compared with prior art, the beneficial effects of the utility model are: improved proposed new technical scheme for the shortcoming of External Thermal Insulation Technology for External in current building construction, by External Thermal Insulation Technology for External and non-dismantling formwork combine with technique, external wall insulating layer is combined by bonding or tension member with non-dismantling formwork, complete in factory process, insulation layer is made to become a part for non-dismantling formwork, both work high above the ground was avoided, be convenient to again quality control and inspection, thus eliminate hidden danger of quality to greatest extent.The non-dismantling formwork that the utility model uses is prefabricated gypsum plate, prefabricated gypsum plate adopts steel bar girder as ribs, the foot of steel bar girder is cast in gypsum plank, the rigidity of this non-dismantling formwork is large, and lifting is convenient, bonding with building construction agent structure solid and reliable.By being firmly combined with prefabricated gypsum plate and steel bar girder three by insulation layer, define a kind of non-dismantling formwork of band insulation layer newly.After the steel bar girder gypsum plank of described band insulation layer being winched to designated floor position during construction, interim bearing diagonal is installed to fix, described gypsum template insulation layer side outwardly, be used as wall outer side template, and reinforcing bar binding is carried out inside gypsum template, pipelining, then inner side template is installed, pouring concrete is carried out in the cavity that outboard template and inner side template are formed, save the installation of body of wall parts in work progress, the particularly set-up time of insulation layer and exterior sheathing, improve the bonding reliability of insulation layer, reinforced concrete wall with insulation layer after hardening of concrete, without the need to removing gypsum exterior sheathing, body of wall maintenance can be made better, strength of wall body is higher, the steel bar girder gypsum plank of this band insulation layer is as the permanent formwork of in-situ concrete wall, decrease the working procedure of body of wall in building operations, substantially increase the assembled speed of in-situ concrete wall template, improve industrialization of construction industry level, decrease man-hour of constructing, reduce construction cost, improve the quality of housing construction.
Accompanying drawing explanation
Fig. 1 is the top view of the steel bar girder gypsum plank of the band insulation layer of the utility model embodiment;
Fig. 2 is the right view of the steel bar girder gypsum plank of the band insulation layer of the utility model embodiment;
Fig. 3 is the front elevation view of the steel bar girder gypsum plank of the band insulation layer of the utility model embodiment;
Fig. 4 is the structural representation of the steel bar girder gypsum plank of the band insulation layer of the utility model embodiment;
Fig. 5 is the structural representation of the steel bar girder gypsum plank of the band insulation layer of another embodiment of the utility model, topping and inner formword;
Number in the figure:
1-gypsum plank; 2-steel bar girder; 3-insulation layer; 4-topping; 5-inner formword; 6-filler; 11-crossbeam; 12-support.
Detailed description of the invention
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail detailed description of the invention of the present utility model below in conjunction with accompanying drawing.
Set forth a lot of detail in the following description so that fully understand the present invention, but the utility model can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension, and therefore the present invention is by the restriction of following public specific embodiment.
Secondly, the utility model is described in detail in conjunction with schematic diagram, when describing the utility model embodiment in detail; for ease of explanation; the sectional drawing of indication device structure can be disobeyed general ratio and be made partial enlargement, and described schematic diagram is example, and it should not limit the scope of protection of the invention at this.In addition, the three-dimensional space of length, width and the degree of depth should be comprised in actual fabrication.
With reference to shown in Fig. 1-4, the utility model provides a kind of steel bar girder gypsum plank with insulation layer, Novel free form removal comprises: arrange insulation layer 3 below the several placing of reinforcement truss 2 arranged above the base plate that gypsum plank 1 is made and base plate, base plate, steel bar girder 2 is parallel to each other or vertically arranges (not shown), several supports 12 that described steel bar girder 2 comprises crossbeam 11 and is connected with crossbeam 11, described support 12 arranges along crossbeam 11 length direction, each support 12 top and crossbeam 11 are fixed, and are inserted and secured in gypsum plank base plate bottom described support 12.
Concrete, as Figure 1-5, described support 12 extends to form the symmetrical foot be inserted and secured in gypsum plank base plate to both sides from top, width along described crossbeam 11 forms symmetrical foot, length direction along crossbeam 11 forms symmetrical foot, form metastable ribs, steel bar girder and gypsum plank are combined, jointly stressed, concrete described steel bar girder 2 also can comprise the base cross members (not shown) connecting foot, described base cross members can be embedded in gypsum plank jointly together with support 12 foot, if will not base cross members be embedded in gypsum plank, and to be only embedded in by the foot of support 12 be also feasible in gypsum plank.
Further; described gypsum plank 1 is as base plate; in base plate bottom, insulation layer 3 is set; at the outer setting topping 4 of insulation layer, the material that topping 4 uses includes but not limited to: gypsum plank, fibrous plaster, waterproof gypsum board, cement pressure plate, polymer cement mortar topping, armored concrete slab etc.
Further; using prefabricated gypsum plate as base plate, insulation layer 3 is set in base plate bottom, at the outer setting topping 4 of insulation layer; subsidiary waterproof or outer decorative layer (not shown) on topping 4, these waterproof or decorative layer include but not limited to face brick, coating, paint etc.
Further; using prefabricated gypsum plate 1 as base plate, insulation layer 3 is set in base plate bottom, at the outer setting topping 4 of insulation layer; the tension member (not shown) running through insulation layer is set between topping and prefabricated gypsum plate, to make insulation layer drawknot be fixed on prefabricated gypsum plate.
Further; using prefabricated gypsum plate 1 as base plate; in base plate bottom, insulation layer 3 is set; at the outer setting topping 4 of insulation layer; the tension member (not shown) running through insulation layer is set between topping 4 and prefabricated gypsum plate 1; tension member divides metal and nonmetal two kinds, and these tension members include but not limited to: fiber steel reinforcing and the fleeces such as all kinds of bar for line, stainless steel tension member, reinforcing bar, ironware, reinforced concrete block, glass fiber reinforcing bar, basalt fibre reinforcing bar, carbon fiber reinforcing bar.
Further, using prefabricated gypsum plate 1 as base plate, in gypsum plank, add one or more in fiber or fleece or gauze wire cloth (not shown), it is inner and cover the whole plate face of described gypsum plank that described fiber or fleece or gauze wire cloth are arranged on gypsum plank.The fiber used in described gypsum plank can be any one existing known fiber, as: glass fiber, basalt fibre, carbon fiber, wood fiber, steel fibre, polyester fiber, Fypro, vinal, polyacrylonitrile fibre, polypropylene fibre, polyvinyl chloride fibre, whisker; The fleece used in gypsum plank can be any one existing known fleece, as: glass fiber mesh, alkali-resistant glass fibre net, carbon fibre web; The gauze wire cloth used in gypsum plank can be any one existing gauze wire cloth, as: ordinary steel silk screen, cover plastic-steel silk screen, the wire gauze that sprays paint, galvanized steel wire netting, stainless steel cloth, steel mesh reinforcement etc.
Further, the steel bar girder 2 used in prefabricated gypsum plate 1 is metal or nonmetal truss, and steel bar girder can be space shape truss, also can be plane frame, and truss is made up of crossbeam and support, and bracket feet is cast in gypsum plank.
Further, using prefabricated gypsum plate 1 as base plate, on base plate, place light filling thing (not shown) between steel bar girder, light filling thing is adhered on gypsum plank.These light filling things can be any one existing fillers, as foam concrete block, haydite concrete block, granular polystyrene foam concrete block, air-mixed concrete pieces, extruded polystyrene board, polystyrol plastic foam plate, polyurathamc plate etc.
Further, on prefabricated gypsum plate 1, place formwork (not shown) between steel bar girder, formwork is adhered on gypsum plank.These putaminas can be any one existing building forms, as plastic form, frp mould, plaster mould shell, magnesite formwork etc.
Further, in steel bar girder 2 crossbeam side, inner formword 5 is set, the crossbeam 11 of steel bar girder 2 is cast within inner formword 5, and these inner formwords include but not limited to: gypsum plank, fibrous plaster, in join the gypsum plank, waterproof gypsum board, fiber cement board, GRC plate, armored concrete slab etc. of gauze wire cloth.
Further, prefabricated gypsum plate 1, insulation layer 3 or inner formword 5 offer door and window hole (not shown).
Further, prefabricated gypsum plate 1 is laid with building fluid line (not shown).
The utility model provides a kind of Novel free form removal wall body structure further, as shown in Figure 5, and the base plate that gypsum plank 1 is made, and the several placing of reinforcement truss 2 arranged above base plate, insulation layer 3 is set below base plate, the topping 4 of insulation layer 3 outer setting, steel bar girder 2 is parallel to each other or vertically arranges (not shown), several supports 12 (see Fig. 4) that described steel bar girder 2 comprises crossbeam 11 and is connected with crossbeam 11, each support 12 top and crossbeam 11 are fixed, be inserted and secured on bottom described support 12 in gypsum plank base plate, described crossbeam 11 side arranges inner formword 5, crossbeam 11 is cast in inner formword 5, in the cavity that gypsum plank 1 and inner formword 5 are formed, be furnished with wall steel bar and be filled with filler 6, described filler 6 includes but are not limited to known all filling materials for wall body as ordinary concrete, self-compacting concrete, foam concrete, gas concrete, haydite concrete, granular polystyrene foam concrete, extruded polystyrene board, polystyrol plastic foam plate, polyurathamcs etc., described filler 6 also can be one or more mixing in above-mentioned packing material.
Embodiment one:
The utility model can use as the template of the cast-in-situ floor of multilayer or highrise building.Its construction technology process is as follows: the band steel bar girder gypsum plank of insulation layer, Novel free form removal (hereinafter referred to as gypsum template) are transported into scene and deposit → template support for shuttering sets up → gypsum formwork hoisting → gypsum model sheetinstallat → reinforcing bar binding and pipelining → cheek board installation → examination → concreting.So far, adopt the utility model as the permanent non-dismantling formwork of cast-in-situ floor of multilayer or highrise building, pouring reinforcement concrete thereon, after cast-in-situ concrete sclerosis, steel bar girder gypsum plank with insulation layer is not removed, and it jointly bears external loads together with cast-in-situ floor, thus become a part for the floor of building, and there is incubation and thermal insulation function.
Embodiment two:
The utility model can use as the outer wall template of the cast-in-situ wall of multilayer or highrise building.Its construction technology process is as follows: and a kind of steel bar girder gypsum plank with insulation layer, Novel free form removal (hereinafter referred to as gypsum template) be transported into scene and deposit → and gypsum formwork hoisting → gypsum template temporary support installation → wall steel bar colligation and pipelining → body of wall opposite side model sheetinstallat → examination → walls concrete build.So far, adopt the present invention as the permanent non-dismantling formwork of the cast-in-situ wall of multilayer or highrise building, concreting in the cavity that two pieces of templates are formed, after cast-in-situ concrete sclerosis, steel bar girder gypsum plank with insulation layer is not removed, and it jointly bears external loads together with cast-in-situ wall, thus become a part for the exterior wall of building, and there is incubation and thermal insulation function.
Embodiment three:
The utility model can use as the bed die of the prefabricated panel of multilayer or highrise building or precast floor slab.Its construction technology process is as follows: a kind of steel bar girder gypsum plank with insulation layer, Novel free form removal (hereinafter referred to as gypsum template) horizontal positioned → cheek board installation → reinforcing bar binding and pipelining → examination → concreting → maintenance → coagulation forming → remove limit mould in the die station of factory.So far, adopt the utility model as multilayer or the precast wall body of highrise building or the permanent non-dismantling formwork of precast floor slab, concreting on bed die, after cast-in-situ concrete sclerosis, steel bar girder gypsum plank with insulation layer is not removed, it, together with the concrete of cast, jointly bears external loads, thus becomes a kind of precast wall body or precast floor slab of band insulation layer newly.
Embodiment four:
The utility model can produce a kind of Novel free form removal that is more advanced, more science and construction method thereof.Its construction technology process is as follows: and a kind of steel bar girder gypsum plank with insulation layer, Novel free form removal (hereinafter referred to as gypsum template) horizontal positioned (steel bar girder is upward) → carry out on steel bar girder crossbeam gauze wire cloth colligation → gypsum template upset 180 degree → steel bar girder crossbeam and gauze wire cloth in the die station of factory be pressed in the gypsum slurries modulated → and gypsum slurries solidifies formation inner formword → demoulding → form a kind of Novel free form removal.This Novel free form removal being transported into scene and deposit → lift → colligation of temporary support installation → wall steel bar and pipelining → examination → walls concrete build.So far, adopt embodiment as the permanent non-dismantling formwork of the cast-in-situ wall of multilayer or highrise building, concreting in the cavity that Novel free form removal is formed, after cast-in-situ concrete sclerosis, Novel free form removal is not removed, it jointly bears external loads together with cast-in-situ wall, thus becomes a part for the body of wall of building.
Although the utility model discloses as above with preferred embodiment, but and be not used to limit the present invention.Any those of ordinary skill in the art, do not departing under technical solutions of the utility model ambit, the Method and Technology content of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Therefore; every content not departing from technical solutions of the utility model; according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification; as added the simple modification as the additive such as waterproof agent, retarding agent in gypsum plank, all still belong in the scope of technical solutions of the utility model protection.
Claims (8)
1. the steel bar girder gypsum plank with insulation layer, a Novel free form removal, comprise insulation layer, prefabricated gypsum plate and steel bar girder; It is characterized in that: using prefabricated gypsum plate as base plate, in base plate bottom, insulation layer is set, ribs simultaneously using steel bar girder as prefabricated gypsum plate, steel bar girder is parallel to each other or intersects vertically, the steel bar girder used in prefabricated gypsum plate is metal or nonmetal truss, steel bar girder is space shape truss or plane frame, and truss is made up of crossbeam and support, and bracket feet is cast in gypsum plank.
2. a kind of steel bar girder gypsum plank, the Novel free form removal with insulation layer according to claims 1, is characterized in that: using prefabricated gypsum plate as base plate, and one or more works added in gypsum plank in fiber, fleece, gauze wire cloth are strengthened.
3. a kind of steel bar girder gypsum plank, the Novel free form removal with insulation layer according to claims 1; it is characterized in that: using prefabricated gypsum plate as base plate; arrange insulation layer in base plate bottom, the material that insulation layer uses includes but not limited to: extruded polystyrene board, polystyrol plastic foam plate, polyurathamc plate, foam concrete plate, Ceramsite concrete slab, granular polystyrene foam concrete plate, aerated concrete panel.
4. a kind of steel bar girder gypsum plank, the Novel free form removal with insulation layer according to claims 3; it is characterized in that: using prefabricated gypsum plate as base plate; in base plate bottom, insulation layer is set; at the outer setting topping of insulation layer; the tension member running through insulation layer is set between topping and prefabricated gypsum plate; to make insulation layer drawknot be fixed on prefabricated gypsum plate, tension member divides metal and nonmetal two kinds.
5. a kind of steel bar girder gypsum plank, Novel free form removal with insulation layer according to claim 1; it is characterized in that: described gypsum plank is as base plate; in base plate bottom, insulation layer is set; at the outer setting topping of insulation layer, the protective layer material that insulation layer uses includes but not limited to: gypsum plank, fibrous plaster, waterproof gypsum board, cement pressure plate, polymer cement mortar topping, fiber cement board, GRC plate, armored concrete slab.
6. a kind of steel bar girder gypsum plank, the Novel free form removal with insulation layer according to claims 5; it is characterized in that, using prefabricated gypsum plate as base plate, insulation layer is set in base plate bottom; at the outer setting topping of insulation layer, subsidiary waterproof or outer decorative layer on topping.
7. a kind of steel bar girder gypsum plank, the Novel free form removal with insulation layer according to claims 1, it is characterized in that, using prefabricated gypsum plate as base plate, on base plate, place light filling thing or formwork between steel bar girder, light filling thing or formwork are adhered on gypsum plank.
8., according to a kind of steel bar girder gypsum plank, the Novel free form removal with insulation layer described in claims 1, it is characterized in that, arrange inner formword in steel bar girder crossbeam side, the crossbeam of steel bar girder is cast within inner formword.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520669675.5U CN205024949U (en) | 2015-09-01 | 2015-09-01 | Take steel bar truss gypsum board of heat preservation, novel -in -place mould |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520669675.5U CN205024949U (en) | 2015-09-01 | 2015-09-01 | Take steel bar truss gypsum board of heat preservation, novel -in -place mould |
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| CN205024949U true CN205024949U (en) | 2016-02-10 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113706A (en) * | 2015-09-01 | 2015-12-02 | 肖宁海 | Reinforced truss gypsum plate with insulation layer, novel dismantling-free formwork and their construction method |
| CN105971166A (en) * | 2016-07-14 | 2016-09-28 | 肖宁海 | Novel formed steel frame gypsum board non-dismantling formwork |
| CN110014497A (en) * | 2019-03-19 | 2019-07-16 | 美好建筑装配科技有限公司 | A kind of sandwich heat preservation overlapping load-bearing wall panel and its production technology |
| CN110014498A (en) * | 2019-03-19 | 2019-07-16 | 美好建筑装配科技有限公司 | A kind of sandwich heat preservation non-bearing wallboard and its production technology with hole |
| CN113089916A (en) * | 2021-04-13 | 2021-07-09 | 美工装配式建筑股份有限公司 | Manufacturing method of steel bar truss integrated floor without die disassembly |
-
2015
- 2015-09-01 CN CN201520669675.5U patent/CN205024949U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113706A (en) * | 2015-09-01 | 2015-12-02 | 肖宁海 | Reinforced truss gypsum plate with insulation layer, novel dismantling-free formwork and their construction method |
| CN105971166A (en) * | 2016-07-14 | 2016-09-28 | 肖宁海 | Novel formed steel frame gypsum board non-dismantling formwork |
| CN110014497A (en) * | 2019-03-19 | 2019-07-16 | 美好建筑装配科技有限公司 | A kind of sandwich heat preservation overlapping load-bearing wall panel and its production technology |
| CN110014498A (en) * | 2019-03-19 | 2019-07-16 | 美好建筑装配科技有限公司 | A kind of sandwich heat preservation non-bearing wallboard and its production technology with hole |
| CN113089916A (en) * | 2021-04-13 | 2021-07-09 | 美工装配式建筑股份有限公司 | Manufacturing method of steel bar truss integrated floor without die disassembly |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200922 Address after: Room 2201, building F3, Lugu Yuyuan, No.27 Wenxuan Road, high tech Zone, Changsha City, Hunan Province Patentee after: Hunan Lugu Construction Engineering Co., Ltd Address before: 001, 049, 410000 Ma Ma Wan Road, South Road, Yuhua District, Hunan, Changsha Patentee before: Xiao Ninghai |
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| TR01 | Transfer of patent right |