CN205296801U - A operation platform that is used for curved surface building exterior window to install - Google Patents
A operation platform that is used for curved surface building exterior window to install Download PDFInfo
- Publication number
- CN205296801U CN205296801U CN201521095215.2U CN201521095215U CN205296801U CN 205296801 U CN205296801 U CN 205296801U CN 201521095215 U CN201521095215 U CN 201521095215U CN 205296801 U CN205296801 U CN 205296801U
- Authority
- CN
- China
- Prior art keywords
- skeleton
- platform frame
- platform
- sides
- curved
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model discloses an operation platform that is used for curved surface building exterior window to install, platform frame include that the skeleton by top, bottom and both sides constitutes, and the skeleton of both sides is prominent curved curved forward, the skeleton at top adopts the crossbeam of rectangle steel pipe formation, all is equipped with the guardrail on the skeleton of both sides, upwards be equipped with multilayer landing slab joist in proper order to the middle part of platform frame from the skeleton of platform frame bottom, be equipped with the landing slab on the landing slab joist, the both ends of crossbeam are equallyd divide and have do not been welded couple and rings, the couple including the couple main part with set up two spacing pins in couple main part below, the distance between two spacing pins and the width cooperation of the horizontal club of curved surface building exterior window, the skeleton both sides of platform frame bottom all are equipped with the landing leg. The utility model discloses operation platform adopts the crane hoist and mount, the hook is docile fixes on curved surface building structure, carries on constructor and material utensil simultaneously, carries out operations such as high altitude exterior window glass installation, can ensure operating personnel safety, improves work efficiency and engineering quality greatly.
Description
Technical field
This utility model relates to a kind of loading device adopted during building engineering curved-surface building exterior window is installed.
Background technology
In Urbanization in China, along with the fast development of building science and technology, construction material and construction technology, provide the stage showing its wisdom and creativity for architect, emerge many peculiarly shaped, baroque building. Wherein, curved surface is as the important element of building composition, because it is more higher than other building composition elements on impact produced by overall image of building and spatial shape, and its superior mechanical property and gain great popularity, apply more and more general in engineering. For reasonable Arrangement ribbon skylight, utilizing sunshine effectively, fully, in combination with architectural aesthetic requirement, large-scale curved building is usually taken the vertical strip window peripherally arranged from bottom to top.
Building for vertical elevation, its outer window glass installs the optional external scaffolding of operating platform or common electric hanging basket, and construction is absent from hell and high water. But existing all kinds of scaffold and driven hanging basket are not all suitable for curved-surface building elevation construction. When carrying out curved surface external window of building glass and installing, it has to adopts the most original operational approach, i.e. workmen climbs to outside window frame indoor, be that hanging safety belt stands in and carries out work high above the ground in the horizontal stile of window, dangerous greatly, be absolutely unsafe. And construction material cannot carry with, can only be temporarily stored on inner scaffold, with one piece, indoor workmen transmit one piece, in addition must taking into account foot, hands in operation, defence unstability steps on sky, it is impossible to accomplishes and eliminates distractions, inefficiency, progress is slow, is also difficult to ensure that construction quality.
Curved-surface building is due to the particularity of moulding so that existing scaffold and driven hanging basket are not all suitable for the construction of its alien invasion, along with curved-surface building application is more and more general, need research and develop corresponding construction equipment.
Utility model content
For the defect existed in prior art, this utility model provides a kind of operating platform installed for curved-surface building exterior window, has filled up a blank in curved-surface building construction technology, finishes the construction of curved-surface building exterior window without the history being suitable for carrying platform.This utility model operating platform adopts crane lifting, hook is docile is fixed in curved-surface building structure, carry workmen and material tool simultaneously, carry out the operations such as high-altitude outer window glass installation, it can be ensured that operator safety, it is greatly improved work efficiency, reduces construction quality defect risk. This device is simple and easy to do, puts into low, easy to use, sturdy and durable, it is not necessary to maintaining.
In order to solve above-mentioned technical problem, a kind of operating platform installed for curved-surface building exterior window that the utility model proposes, described platform frame includes being made up of the skeleton of top, bottom and both sides, and the skeleton of both sides is the bending to front protrusion; The skeleton at top adopts the crossbeam that rectangular steel pipe is formed, and the skeleton of both sides is equipped with guardrail; The middle part being upwardly into described platform frame from the skeleton of described platform frame bottom is sequentially provided with multi-layer flat platen joist, and described landing slab joist is provided with landing slab; The both ends of described crossbeam are welded with hook and suspension ring respectively; Described hook includes hook body and is arranged on two spacing pins below hook body, the width fits of the distance between two spacing pins and curved-surface building beyond the region of objective existence Chuan Heng stile; The skeleton both sides of described platform frame bottom are equipped with supporting leg; Described supporting leg includes pole and bar shaped base, and described pole is welded with described platform frame, is hinged between described bar shaped base and described pole, and the bottom of described bar shaped base is provided with rubber slab.
The operating platform that this utility model is installed for curved-surface building exterior window, wherein, described suspension ring include an inverted u-shaped round steel, described inverted u-shaped circular steel cold bending molding, the extended distance of described inverted u-shaped round steel is identical with the width of described crossbeam, and described inverted u-shaped round steel is arranged on described crossbeam and welds.
Compared with prior art, the beneficial effects of the utility model are:
The operating platform installed for curved-surface building exterior window of the present utility model, finishes the construction of curved-surface building exterior window without the history of special carrying platform, has filled up a blank of curved-surface building construction technology. Comparing without platform operations mode, workmen works on the platform be provided with protective equipment, it is ensured that high-altitude working safety. Because eliminating mental pressure, workman can eliminate distractions ground elaborate manipulation, thus reducing construction quality defect risk, it is ensured that construction quality. Owing to platform can carry construction material tool, it is to avoid repeatedly having bad luck, workman can attentively work on fixing platform, thus substantially increases efficiency of construction, accelerates construction speed in addition. This platform is simple and easy to do, facility of drawing materials, easy to use, its as construction tool can Reusability, sturdy and durable, it is not necessary to maintaining, compare traditional approachs such as setting up scaffold, construction cost can be saved in a large number.
Accompanying drawing explanation
Fig. 1 is a kind of curved-surface building exterior window schematic layout pattern;
Fig. 2 is that this utility model operating platform uses view;
Fig. 3 is the perspective view of this utility model operating platform;
Fig. 4 is operating platform side view shown in Fig. 3;
Fig. 5 is leg structure schematic diagram in this utility model;
Fig. 6 is supporting leg and platform frame junction partial enlarged drawing in this utility model;
Fig. 7 is suspension ring structural representation in this utility model.
Fig. 8 is suspension ring and platform frame junction partial enlarged drawing in this utility model;
Fig. 9 is hook and platform frame junction partial enlarged drawing in this utility model;
Figure 10 is hook hook Chuan Heng stile schematic diagram in this utility model.
In figure:
The horizontal stile of 10-roofing 20-light inlet window 30-
40-window frame or steel structure framework 50-construction surface 60-operating platform
1-platform frame 11-platform arch rectangular steel pipe 2-links up with
21-spacing pin 22-hook body 3-suspension ring
4-guardrail 5-landing slab 51-landing slab joist
6-supporting leg 61-bar shaped base 62-rubber slab
63-links steel plate 64-pole 65-bolt
12-hook and platform frame link position 13-suspension ring and platform frame link position 16-supporting leg and platform frame link position
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, technical solutions of the utility model being described in further detail, this utility model is only explained by described specific embodiment, not in order to limit this utility model.
As it is shown in figure 1, the example of the curved-surface building related to is as it is shown in figure 1, its roofing 10 is curved surface, roofing is provided with light inlet window 20, and light inlet window is provided with window frame (or steel structure framework) 40 and horizontal stile 30, it is necessary to the position installing light inlet window is construction surface 50.
A kind of operating platform installed for curved-surface building exterior window of this utility model, including platform frame 1, described platform frame 1 includes being made up of the skeleton of top, bottom and both sides, and the skeleton of both sides is the bending to front protrusion, as shown in Figure 2 and Figure 4; The skeleton at top adopts the crossbeam 11 that rectangular steel pipe is formed, and the skeleton of both sides is equipped with guardrail 4.
Skeleton bottom described platform frame 1 is upwardly into the middle part of described platform frame 1 and is sequentially provided with multi-layer flat platen joist 51, and described landing slab joist 51 is provided with landing slab 5, as shown in Figure 2, Figure 3 and Figure 4.
As shown in Figure 7 to 10, the both ends of described crossbeam 11 are welded with hook 2 and suspension ring 3 respectively; As shown in Figure 9 and Figure 10, described hook 2 includes hook body 22 and is arranged on the spacing pin 21 of two below hook body 22, the width fits of the distance between two spacing pins 21 and the horizontal stile 30 of curved-surface building beyond the region of objective existence window (light inlet window).
As shown in Figures 3 to 6, the skeleton both sides bottom described platform frame 1 are equipped with supporting leg 6, described supporting leg 6 includes pole 64 and bar shaped base 61, described pole 64 is welded with described platform frame 1, it is hinged between described bar shaped base 61 and described pole 64, the structure of this hinged place is: be provided with bolt through-hole in the bottom of pole 64, it is welded with two pieces in the two sides of bar shaped base 61 and links steel plate 63, two pieces of tops linking steel plate 63 also are provided with bolt through-hole, pole 64 is inserted in two pieces and links between steel plate 63, and pole 64 and the bolt through-hole of link steel plate 63 is passed with a bolt, and screw on a nut in the end of bolt and weld, bolt through-hole is more than the external diameter of shank of bolt, bar shaped base 61 is rotated around bolt, so, when using this utility model operating platform, supporting leg 6 Automatic adjusument position can be made, thus being supported on curved-surface building thing. in order to protect curved-surface building thing surface, it is provided with rubber slab 62 in the bottom of described bar shaped base 61.
The embodiment of this utility model operating platform:
As shown in Figure 3 and Figure 4, described platform frame 1 is the supporting body of operating platform, square and rectangular hollow sections is adopted to be welded into the shaped as frame skeleton of the upper and lower of height �� wide=5m �� 3m and both sides, longitudinally making arcwall face, be provided with three layers truss type platform plate joist 51 in platform frame 1, every layer of landing slab joist 51 is equipped with landing slab 5, the end, in, the planar dimension respectively 3m �� 0.4m of upper platform plate joist, 3m �� 0.2m, 3m �� 0.2m, in order to lay landing slab 5. The both sides weldering guardrail 4 of platform frame 1. Landing slab joist 51 and guardrail 4 also simultaneously work as the effect of reinforcement structure rigidity. The framework material of platform frame 1 adopts except 120 �� 80 �� 3 rectangular steel pipes (thereon welding hook 2 and suspension ring 3) except the cross bar 11 at top; All the other all can use 50 �� 3 square steel tubes.
Being laid on landing slab joist 51 landing slab 5 above adopts thickness to be not less than 50mm wood scaffold board, and ties up solid with the skeleton of galvanized wire Yu landing slab joist 51. Workmen can stand, squat, or is sitting in operation on this landing slab 5. The planar dimension of each landing slab 5 be respectively bottom for 3m �� 0.4m, upper, middle level be 3m �� 0.2m.
It is welded in two hooks 2 at platform frame 1 top cross-bar 11 two ends, for operating platform hook being fixed on the structure of curved-surface building thing.Hook 2 employing 50 �� 3 square steel tubes are welded, for ensureing that in load bearing process, hook 2 is indeformable, the hook body 22 in the present embodiment adopts the rock-steady structure of triangle, and the bottom of hook body 22 is welded with two spacing pins 21, in order to keep off in the both sides of bar shaped stile 30, it is prevented that hook 2 slippage.
Being arranged on two supporting legs 6 at two ends, 1 time rear portion of platform frame, the bottom bar shaped base 61 of supporting leg 6 is bearing in building structure, makes platform frame 1 keep certain interval with curved-surface building beyond the region of objective existence window, not interfere with the installation of glass pane. Supporting leg 6 is formed, by pole 64 and bar shaped base 61, the font structure of falling T, and material all adopts 50 �� 3 square steel tubes. Wherein, it is welded with 10mm thickness to middle two sides along bar shaped base 61 is long; 50mm width; the connection steel plate 63 of 150mm length; �� 22 hole is bored at connection steel plate 63 and pole 64 lower end correspondence position; penetrate M20 bolt; nut not exclusively fastens when putting in place just by its solid welding termination at bolt; make connection steel plate 63 can rotate around bolt; thus driving bar shaped base 61 can rotate around bolt, the bottom of bar shaped base 61 contacts with building structure, equipped with rubber slab 62 on this bottom surface; in order in use to protect structural plane, the skeleton of pole 64 and platform frame 1 welds together 16.
Lifting when two suspension ring 3 being welded on the crossbeam 11 of platform frame 1 top 120 �� 80 �� 3 rectangular steel pipe move for operating platform, as shown in Figure 8, described suspension ring 3 include an inverted u-shaped round steel, described inverted u-shaped round steel adopts �� 20 circular steel cold bending molding, the extended distance of described inverted u-shaped round steel is identical with the width of described crossbeam 11, and described inverted u-shaped round steel is arranged on described crossbeam 11 and welds.
Processing and the assembled process of the operating platform that this utility model is installed for curved-surface building exterior window are as follows:
One, the processing of parts:
(1) fabrication and processing of platform frame 1: platform frame is processed by 50 �� 3 square steel tubes and 120 �� 80 �� 3 rectangular steel pipes, is welded. Work flow is: �� former material inspection �� blanking �� bending �� assembly �� welding �� inspection that section bar buying (requires that supplier provides material to prove single). Wherein welding rod can use engineering welding rod.
(2) processing of landing slab 5: select the deal board that thickness is not less than 50mm, size saw is cut out on request.
(3) processing of hook 2: link up with and be welded with 50 �� 3 square steel tube bendings. Spacing pin is welded in the end of hook, and position must be accurately.
(4) fabrication and processing of supporting leg 6: leg material includes 50 �� 3 square steel tubes and rubber slab, work flow is: former material buying �� blanking �� drilling �� welding �� assembling �� inspection. Wherein, rubber slab 62 is cut into and bar shaped base 61 bottom surface same size, is fixed on the bottom surface of bar shaped base 61 with sunk screw. Long thick to middle two side weldering 10mm at bar shaped base 61,50mm width, the connection steel plate 63 of 150mm length, �� 22 hole is bored at connection steel plate 63 and pole 64 lower end correspondence position, bar shaped base 61 being contained in pole 64 lower end, penetrates M20 bolt in bolt through-hole, nut not exclusively fastens and puts in place, and solid welding is at bolt end, make the connection steel plate 63 on bar shaped base can rotate around bolt.
(5) processing of suspension ring 3: suspension ring adopt �� 20 round steel, become " u "-shaped by design shape size clod wash.
Two, the assembled process of operating platform:
(1) by platform frame 1 horizontal on flattened ground, bottom surface upward, and consolidates by chock pad.
(2) it is concerned about the installation site of hook 2, supporting leg 6, suspension ring 3 at the skeleton subscript of platform frame 1 by design attitude.
(3) mounting hook 2: 2 welding equipments side at 120 �� 80 �� 3 rectangular steel pipe crossbeams 11 at platform frame 1 top will be linked up with according to mark position, the inner sides requiring two hooks 2 recline platform frame 1 crossbeam 11 and must in the same plane, spacing pin 21 must be collinear.
(4) supporting leg 6 is installed: according to mark position, supporting leg 6 is arranged on the rear lower of platform frame 1, welds with the skeleton of platform frame 1. Require that the extension size of two supporting legs 6 must be consistent.
(5) suspension ring 3 are installed: welded with it on the crossbeam 11 of 120 �� 80 �� 3 rectangular steel pipes at platform frame 1 top by suspension ring 3 chuck.
(6) after painting the part that above-mentioned assembly is good, landing slab 5 is laid in above the landing slab joist 51 of platform frame 1, ties up with the skeleton of galvanized wire Yu landing slab joist 51 solid.
Three, the examination of operating platform and use
After operating platform completes and before use every time, together with site supervision and organize Project Technical, quality inspection, security department to inspect for acceptance, can should come into operation after acceptance(check); During use, operating platform is transported to construction area, as depicted in figs. 1 and 2, with crane, operating platform is winched to construction part, the hook 2 of operating platform is hooked in the horizontal stile 30 of strip window, Shi Heng stile 30 is between the two spacing pins 21 linking up with 2 tops (as shown in Figure 10), aligns operating platform position, makes supporting leg 6 be bearing on the face of strip window two side window frame or steel structure framework 40 (as shown in Figure 5); Workmen climbs up operating platform by cat ladder, and fasten seat belts, safety rope system is hung in the horizontal stile 30 of strip window, the materials such as glass are placed on operating platform by crane handling, workmen carries out glass pane installation on the operational platform, note plays the operations such as fluid sealant, when transparency area is bigger, it is directly winched to installation position by application crane, installs under crane coordinates; Having constructed behind this position, personnel, material have temporary Departure operation platform, and operating platform winches to next construction part, repeat aforementioned process, install and note plays the work such as fluid sealant until completing the whole glass of bar window.
Four, this utility model operating platform has the following characteristics that
(1) this operating platform utilize platform frame 1, guardrail 4, truss-like landing slab joist 51 form space structure, meet bearing strength, rigidity and security protection requirement, and significantly alleviate platform deadweight; Take hook 2 adhesion type, pacify, tear open easily and fast; Platform frame 1 adopts hollow structure, is suitable to glass and installs; Supporting leg 6 (table top utilizes hook 2 to support simultaneously) is set and supports integral platform and by paralell from building structure face, meet operating surface requirement. Global design is novel, reasonable, practical.
(2) framework material of platform frame adopts stress performance good, lightweight square and rectangular hollow sections, further mitigates platform deadweight.
(3) design has bifunctional hook 2, and its end arranges two spacing pins 21, and by being stuck in the both sides of the structural member of hook, can anti-locking hook, simultaneously work as the effect supporting platform. Hook body 22 adopts triangular construction pattern, and stress performance is good, is unlikely to deform.
(4) supporting leg 6 is designed to assembled, and the bar shaped base 61 on supporting leg 6 can rotate around tie-point, auto-changing angle during mounting platform, it is ensured that is tightly affixed on building structure face, it is adaptable to the structural plane of different radians. With dress rubber slab 62 on the contact surface of building structure bottom bar shaped base 61, play cushioning effect, be beneficial to building finished product protection.
(5) skeleton of platform frame 1 all adopts welding, sturdy and durable, without accurate spare and accessory parts, it is not necessary to maintaining.
(6) overall structure is simple, facility of drawing materials, and handling ease is adapted at building-site fabrication and processing.
(7) this operating platform is also applicable to the little glass curtain wall of curved surface steel structure construction area and other dalle installation exercises.
Although this utility model being described above in conjunction with accompanying drawing; but this utility model is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is merely schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; when without departing from this utility model objective, it is also possible to make many variations, these belong within protection of the present utility model.
Claims (2)
1. the operating platform installed for curved-surface building exterior window, including platform frame (1), it is characterised in that:
Described platform frame (1) includes being made up of the skeleton of top, bottom and both sides, the skeleton of both sides is the bending to front protrusion, the skeleton at top adopts the crossbeam (11) that rectangular steel pipe is formed, and the skeleton of both sides is equipped with guardrail (4);
The middle part being upwardly into described platform frame (1) from the skeleton of described platform frame (1) bottom is sequentially provided with multi-layer flat platen joist (51), and described landing slab joist (51) is provided with landing slab (5);
The both ends of described crossbeam (11) are welded with hook (2) and suspension ring (3) respectively; Described hook (2) includes hook body (22) and is arranged on two spacing pins (21) of hook body (22) lower section, the width fits of the distance between two spacing pins (21) and curved-surface building beyond the region of objective existence Chuan Heng stile;
The skeleton both sides of described platform frame (1) bottom are equipped with supporting leg (6); Described supporting leg (6) includes pole (64) and bar shaped base (61), described pole (64) is welded with described platform frame (1), being hinged between described bar shaped base (61) and described pole (64), the bottom of described bar shaped base (61) is provided with rubber slab (62).
2. the operating platform installed for curved-surface building exterior window according to claim 1, it is characterized in that, described suspension ring (3) include an inverted u-shaped round steel, described inverted u-shaped circular steel cold bending molding, the extended distance of described inverted u-shaped round steel is identical with the width of described crossbeam (11), and described inverted u-shaped round steel is arranged on described crossbeam (11) and above and welds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521095215.2U CN205296801U (en) | 2015-12-23 | 2015-12-23 | A operation platform that is used for curved surface building exterior window to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521095215.2U CN205296801U (en) | 2015-12-23 | 2015-12-23 | A operation platform that is used for curved surface building exterior window to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205296801U true CN205296801U (en) | 2016-06-08 |
Family
ID=56472710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521095215.2U Expired - Fee Related CN205296801U (en) | 2015-12-23 | 2015-12-23 | A operation platform that is used for curved surface building exterior window to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205296801U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464355A (en) * | 2015-12-23 | 2016-04-06 | 中国建筑第六工程局有限公司 | Operating platform used for installation of curved building external window |
-
2015
- 2015-12-23 CN CN201521095215.2U patent/CN205296801U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464355A (en) * | 2015-12-23 | 2016-04-06 | 中国建筑第六工程局有限公司 | Operating platform used for installation of curved building external window |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103216105B (en) | Construction method of overhanging inhaul cable type hyperbolic glass curtain wall | |
| CN107902545B (en) | Horse way air pipe hoisting construction device and construction method | |
| CN104675171B (en) | Construction method for single-piece hoisting of aluminum alloy vault of large vertical storage tank | |
| CN110562868B (en) | Hoisting construction method for unit type glass curtain wall of super high-rise building | |
| CN112663927A (en) | Steel structure dome aerial work stepped operation platform and construction method thereof | |
| CN109440985B (en) | Hydraulic synchronous lifting system for super large curtain wall unit of super high-rise building and construction method thereof | |
| CN205875666U (en) | A platform suspends in midair that is used for building eaves oral area position to be under construction | |
| CN105003090A (en) | Temporary support frame for mounting assembly type steel structure | |
| CN112049236A (en) | Construction method for hanging decoration construction platform under high-altitude large cantilever structure of high-rise building | |
| CN110748139B (en) | Hanging basket support system | |
| CN205502551U (en) | Platform is suspended in midair in high altitude large -span vestibule construction | |
| CN104878867A (en) | Ceiling joist and double-layer construction platform integrated structure and manufacturing method thereof | |
| CN205296801U (en) | A operation platform that is used for curved surface building exterior window to install | |
| CN212866802U (en) | Step type large-span curved surface steel structure dome construction platform | |
| CN209907972U (en) | Conversion frame for longitudinal and transverse conversion of precast concrete exterior wall cladding | |
| CN109594697B (en) | Construction method and structure of super high-rise built-in unit glass curtain wall | |
| CN210884873U (en) | Installation hanging beam and lifting device of pipeline | |
| CN204876631U (en) | Assembled steel structure installation uses interim support frame | |
| CN201573762U (en) | Working platform rack | |
| CN105464355A (en) | Operating platform used for installation of curved building external window | |
| CN105952130A (en) | Suspension platform for constructing eave part of building and installation method thereof | |
| CN107487423B (en) | Marine suspension scaffold and construction method thereof | |
| WO2019024290A1 (en) | Method for building scaffold device in hyperboloidal linear cabin | |
| CN104060838A (en) | Grouping and air-pairing installation method for corridor | |
| CN103850435A (en) | Hoisting framework device capable of replacing support framework and used for frame construction building concrete floor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20201223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |