CN205224987U - Austral window, sliding sash end opening structure - Google Patents
Austral window, sliding sash end opening structure Download PDFInfo
- Publication number
- CN205224987U CN205224987U CN201521065568.8U CN201521065568U CN205224987U CN 205224987 U CN205224987 U CN 205224987U CN 201521065568 U CN201521065568 U CN 201521065568U CN 205224987 U CN205224987 U CN 205224987U
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- energy
- sliding sash
- frame
- window
- auxiliary frame
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Abstract
The utility model discloses an austral window, sliding sash end opening structure, include: window frame, energy -conservation attach frame, basic unit's wall body, thermal insulation wall and room interior window platen, thermal insulation wall and room interior window platen are all fixed on basic unit's wall body, energy -conservation attaches the frame to be connected with the window frame through first connecting piece, is equipped with the stationary blade subassembly between lower surface that energy -conservation attaches the frame and the basic unit's wall body, and the lower surface that energy -conservation attaches the frame passes through second connecting piece and stationary blade subassembly fixed connection, and thermal insulation wall covers energy -conservation and attaches frame towards outdoor one side, and room interior window platen cover energy -conservation attaches frame towards indoor one side, energy -conservation is equipped with a hollow structure, first supporting course, the 2nd hollow structure, second supporting course and the 3rd hollow structure in attaching the frame in proper order, and first supporting course and second supporting course are used for installing first connecting piece and second connecting piece. The utility model discloses an austral window, sliding sash end opening structure sealed effectual, the structure firm, can effectively avoid the phenomenon of infiltration, ventilative and crosstalk, further effectively enlarges the application range of austral window, sliding sash.
Description
Technical field
The utility model relates to a kind of design of building structures technical field, mouth structure under espespecially a kind of sliding sash.
Background technology
Sliding sash can open area larger, meet the requirement of occupants's daylighting and ventilation, but the structure design of existing window hole sliding sash end opening, effectively can not solve waterproof, the problem of sound insulation and leakproofness difference, so make sliding sash can not be applied in the higher building of power conservation requirement, and existing sliding sash tightness class is difficult to the 6 grades of requirements be up to state standards, according to the energy-saving design in construction specification that China is up-to-date, existing sliding sash is only applicable to 6 layers and following house, for the housing construction more than 7 layers, exterior window should not adopt sliding sash, this causes the range of application of existing sliding sash very limited.On the other hand, window hole position can not adopt effective heat insulation system to carry out heat insulation process, the base course wall inner surface at window frame position is made easily to occur the phenomenon condensed winter, in this residential building causing existing sliding sash can not be applied to for 75% fractional energy savings of China's hot-summer and cold-winter area, cold district and severe cold area.
Therefore, the applicant is devoted to provide mouth structure under a kind of sliding sash, it effectively can avoid the infiltration at window hole place, the phenomenon that ventilative and sound insulation is poor, reach sealing and heat insulation effect preferably, effectively can also promote the structural strength of mouth structure under sliding sash simultaneously, thus effectively expand the scope of application of sliding sash further.
Utility model content
The purpose of this utility model is to provide mouth structure under a kind of sliding sash, it effectively can avoid the infiltration at window hole place, the phenomenon that ventilative and sound insulation is poor, reach sealing and heat insulation effect preferably, effectively can also promote the structural strength of mouth structure under sliding sash simultaneously, thus effectively expand the scope of application of sliding sash further.
For solving the problems of the technologies described above, the utility model provides mouth structure under a kind of sliding sash, comprising: window frame, energy-conservation auxiliary frame, base course wall, heat-preserving wall and indoor window platen; Described heat-preserving wall and described indoor window platen are all fixed on described base course wall; The upper surface of described energy-conservation auxiliary frame is fixedly connected with described window frame by the first connector, stator assembly is provided with between the soffit of described energy-conservation auxiliary frame and described base course wall, the soffit of described energy-conservation auxiliary frame is fixedly connected with described stator assembly by the second connector, described heat-preserving wall covers the one side outside described energy-conservation auxiliary frame faced chamber, and described indoor window platen covers the one side in described energy-conservation auxiliary frame faced chamber.
The first hollow structure, the second hollow structure, the 3rd hollow structure, the first bearing stratum and the second bearing stratum is provided with in described energy-conservation auxiliary frame, described first bearing stratum is between described first hollow structure and the second hollow structure, described second bearing stratum is between described second hollow structure and described 3rd hollow structure, and described first bearing stratum and described second bearing stratum are for installing described first connector and described second connector.
Under sliding sash of the present utility model, mouth structure has good sealing performance and heat-insulating property.Two sides in the utility model inside and outside energy-conservation auxiliary frame faced chamber is covered by indoor window platen and heat-preserving wall respectively, its upper surface is connected with window frame by the first connector, soffit is connected with base course wall by stator assembly, such setting avoids window frame and directly contacts with base course wall, thus makes window end opening have good sealing performance and heat-insulating property.And be provided with the first hollow structure, the second hollow structure and the 3rd hollow structure in energy-conservation auxiliary frame, and form the first bearing stratum and the second bearing stratum respectively, by the first bearing stratum and the second bearing stratum, the first connector and the second connector are installed.Such setting makes the connection between energy-conservation auxiliary frame and window frame, base course wall more firm, makes the structural strength of mouth structure under sliding sash higher further.
Preferably, described base course wall is connected by tongue and groove with described heat-preserving wall.
This type of attachment can form effective structure flashing between base course wall and heat-preserving wall, thus mouth structure place rain penetration under avoiding sliding sash.
Preferably, the plastic-steel section bar that described window frame is sealed by multiple tracks wool top is made; And/or; Described energy-conservation auxiliary frame is made up of plastic-wood material.
The window frame that the plastic-steel section bar sealed by multiple tracks wool top is made has good tightness, watertightness and heat-insulating property; The energy-conservation auxiliary frame be made up of plastic-wood material effectively can avoid the condensation risk of window frame.
Preferably, polyurathamc is provided with between described energy-conservation auxiliary frame and described base course wall; And/or; Polyurathamc is provided with between described stator assembly and described base course wall.
Polyurathamc can between energy-conservation auxiliary frame and base course wall, play the effect of thermal insulation between stator assembly and base course wall.
Preferably, the one side outside described energy-conservation auxiliary frame faced chamber is provided with water-proof air-permeable film; And/or; One side in described energy-conservation auxiliary frame faced chamber is provided with waterproof trapping film; And/or; One side outside described base course wall faced chamber is provided with water-proof air-permeable film; And/or; One side in described base course wall faced chamber is provided with waterproof trapping film.
Water-proof air-permeable film makes the interface of the interface of heat-preserving wall and energy-conservation auxiliary frame and heat-preserving wall and base course wall have the effect of good waterproof and sealing; Waterproof trapping film makes the interface of the interface of indoor window platen and energy-conservation auxiliary frame and base course wall and indoor wall have the effect of good waterproof and sealing.
Preferably, described window frame is provided with the spilled water hole for draining; Under sliding sash, mouth structure also comprises an outdoor window platen, and described outdoor window platen is arranged on described heat-preserving wall, and its one end is positioned at below the delivery port of described spilled water hole, for the water that water conservancy diversion flows out from described spilled water hole.
Window frame arranges spilled water hole, effectively can discharge ponding, then by arranging outdoor window platen, the water flowed out from discharge orifice by outdoor window platen water conservancy diversion can avoid the infiltration risk of mouth structure under sliding sash further.
Preferably, described outdoor window platen is arranged on described heat-preserving wall inclined downward.
When arranging like this, the better effects if of the water conservancy diversion rainwater of outdoor window platen.
Preferably, the junction of described outdoor window platen and described window frame is provided with waterproofing unction.
Preferably, the junction of described indoor window platen and described window frame is provided with waterproofing unction.
Waterproofing unction can be filled up and connect gap, and can play the effect of water conservancy diversion rainwater, thus under making sliding sash, the sealing performance of mouth structure is better.
Preferably, described first connector and/or the second connector are tapping screw.
The connection effect of tapping screw is more firm.
Under sliding sash of the present utility model, mouth structure can realize following beneficial effect:
1, under sliding sash of the present utility model, mouth structure has good sealing and heat insulation effect.Window frame under sliding sash of the present utility model in mouth structure is fixed on base course wall by energy-conservation auxiliary frame, and energy-conservation auxiliary frame is covered by indoor window platen and heat-preserving wall respectively towards the two sides of indoor and outdoors, such setting makes energy-conservation auxiliary frame be surrounded by body of wall, and avoid window frame to contact with the direct of base course wall, thus under making sliding sash, mouth structure achieves good heat-insulating property; And be provided with the first hollow structure, the second hollow structure and the 3rd hollow structure in energy-conservation auxiliary frame of the present utility model, and form the first bearing stratum and the second bearing stratum, by the first bearing stratum and the second bearing stratum, the first connector and the second connector are installed, such setting makes the connection between energy-conservation auxiliary frame and window frame, base course wall more firm, thus under making sliding sash, mouth structure has higher structural strength.
2, under sliding sash of the present utility model, the heat-preserving wall of mouth structure is connected by tongue and groove with base course wall, and this connected mode can realize the effect of pre-rainwater leakage prevention preferably.
3, the plastic-steel section bar that the window frame under sliding sash of the present utility model in mouth structure is sealed by multiple tracks wool top is made, and effectively can avoid the Air Infiltration at window frame place, thus makes window frame have good sealing and heat-insulating property; And energy-conservation auxiliary frame is made up of plastic-wood material, plastic-wood material has good Waterproof corrosion performance, effectively can avoid the condensation risk at window frame position.
4, the energy-conservation auxiliary frame under sliding sash of the present utility model in mouth structure is connected with base course wall by stator assembly, and at stator assembly and base course wall and arrange polyurathamc between energy-conservation auxiliary frame and base course wall, such setting improves the sealing between energy-conservation auxiliary frame and base course wall, and under making sliding sash, mouth structure has good heat-insulating property.
5, under sliding sash of the present utility model, the two sides of mouth structure inside and outside energy-conservation auxiliary frame faced chamber arranges waterproof trapping film and water-proof air-permeable film respectively, two sides inside and outside base course wall faced chamber is arranged respectively waterproof trapping film and water-proof air-permeable film, all rain leakage can be avoided, thus under making sliding sash, mouth structure have good waterproof and sealing effectiveness.
6, under sliding sash of the present utility model, mouth structure by arranging spilled water hole and arrange outdoor window platen on heat-preserving wall, the water flowed out from spilled water hole by outdoor window platen water conservancy diversion on window frame, and under making sliding sash further, mouth structure has good water resistance.
7, under sliding sash of the present utility model, mouth structure arranges waterproofing unction at connection gap place, can avoid the risk of ventilative and rain penetration connecting gap place, improves sealing and the heat insulating ability of mouth structure under sliding sash further.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the cross-sectional structure schematic diagram of mouth structure under the sliding sash of specific embodiment.
Drawing reference numeral illustrates:
Window frame 10, energy-conservation auxiliary frame 20, first hollow structure 21, second hollow structure 22,3rd hollow structure 23, first bearing stratum 24, second bearing stratum 25, base course wall 30, heat-preserving wall 40, indoor window platen 50, first connector 60, second connector 70, stator assembly 80, polyurathamc 90, water-proof air-permeable film 100, waterproof trapping film 110, outdoor window platen 120, waterproofing unction 130, energy-conservation hollow glass A.
Detailed description of the invention
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
As shown in Figure 1, this specific embodiment discloses mouth structure under a kind of sliding sash, comprises window frame 10, energy-conservation auxiliary frame 20, base course wall 30, heat-preserving wall 40 and indoor window platen 50.Window frame 10 is for fixedly mounting energy-conservation hollow glass A.Heat-preserving wall 40 and indoor window platen 50 are all fixed on base course wall 30.The upper surface of energy-conservation auxiliary frame 20 is fixedly connected with window frame 10 by the first connector 60, be provided with stator assembly 80 between the soffit of energy-conservation auxiliary frame 20 and base course wall 30, the soffit of energy-conservation auxiliary frame 20 is fixedly connected with stator assembly 80 by the second connector 70.Heat-preserving wall 40 covers the one side (left-hand face of the energy-conservation auxiliary frame 20 namely shown in Fig. 1) outside energy-conservation auxiliary frame 20 faced chamber, and indoor window platen 50 covers the one side (right lateral surface of the energy-conservation auxiliary frame 20 namely shown in Fig. 1) in energy-conservation auxiliary frame 20 faced chamber.
The first hollow structure 21, second hollow structure 22, the 3rd hollow structure 23, first bearing stratum 24 and the second bearing stratum 25 is provided with in energy-conservation auxiliary frame 20, first bearing stratum 24 is between the first hollow structure 21 and the second hollow structure 22, second bearing stratum 25 is between the second hollow structure 22 and the 3rd hollow structure 23, and the first bearing stratum 24 and the second bearing stratum 25 are for installing described first connector 60 and described second connector 70.
Concrete, in this specific embodiment, the plastic-steel section bar that window frame 10 is sealed by multiple tracks wool top is made; And energy-conservation auxiliary frame 20 is made up of plastic-wood material.The plastic-steel section bar of multiple tracks wool top sealing itself has good tightness and watertightness, effectively can prevent the infiltration at window frame place and ventilative phenomenon.Traditional energy-conservation auxiliary frame is generally obtained by metal material, but often causes the dew condensation phenomenon of window frame, and plastic-wood material has good water proofing property, can effectively avoid window frame to condense.
Exemplary, as shown in Figure 1, in this specific embodiment, between energy-conservation auxiliary frame and base course wall, be provided with polyurathamc, between stator assembly 80 and base course wall 30, be also provided with polyurathamc 90.Arranging of polyurathamc 90 can avoid energy-conservation auxiliary frame directly to contact with base course wall 30 with base course wall and stator assembly 80, and the heat-insulating property of polyurathamc 90 material itself is better, thus under making sliding sash further, mouth structure has good heat-insulating property.
Exemplary, as shown in Figure 1, in this specific embodiment, one side outside energy-conservation auxiliary frame 20 faced chamber is provided with water-proof air-permeable film 100, one side in energy-conservation auxiliary frame 20 faced chamber is provided with waterproof trapping film 110, one side outside base course wall 30 faced chamber is provided with water-proof air-permeable film 100, and the one side in base course wall 30 faced chamber is provided with waterproof trapping film 110.
Water-proof air-permeable film 100 makes the interface between energy-conservation auxiliary frame 20 and heat-preserving wall 40 and the interface between base course wall 30 and heat-preserving wall 40 have good sealing and the effect of insulation, and waterproof trapping film 110 makes the interface of energy-conservation auxiliary frame 20 and indoor window platen 50 and the interface between base course wall 30 and indoor wall have good sealing and the effect of insulation.
Exemplary, in this specific embodiment, window frame 10 is provided with the spilled water hole for draining; Under sliding sash, mouth structure also comprises an outdoor window platen 120, and outdoor window platen 120 is arranged on heat-preserving wall 40, and its one end is positioned at below the delivery port of described spilled water hole, for the water that water conservancy diversion flows out from described spilled water hole.Concrete, outdoor window platen 120 is arranged on heat-preserving wall 40 inclined downward.
Exemplary, outdoor window platen 120 is provided with waterproofing unction 130 with the junction of window frame 10, and indoor window platen 50 is provided with waterproofing unction 130 with the junction of window frame 10.Waterproofing unction 130 can fill up the connection gap between window frame 10 and indoor window platen 50, outdoor window platen 120, and has the effect of water conservancy diversion rainwater, thus the sealing of mouth structure and heat insulation effect under strengthening sliding sash further.
Concrete, in the present embodiment, the first connector 60 and the second connector 70 all select tapping screw.
Exemplary, in the present embodiment, the wall outer side of base course wall and heat-preserving wall is equipped with external thermal insulation system.
Of course, in other specific embodiments, under sliding sash of the present utility model, in mouth structure, the concrete size of the first hollow structure of energy-conservation auxiliary frame, the second hollow structure and the 3rd hollow structure adjusts according to actual conditions, as long as ensure that the first connector and the second connector can be installed on the first bearing stratum and the second bearing stratum; Energy-conservation auxiliary frame can also be made up of metal material; Connection between heat-preserving wall and base course wall can also be connected by tongue and groove; First connector and the second connector can also select other forms of screw or bolt; Other connection gaps under sliding sash in mouth structure also can be filled up by waterproofing unction; Heat-preserving wall can be made up of heat insulating material; Outdoor window platen is made up of aluminium sheet; In addition, the utility model water-proof air-permeable film, waterproof trapping film and waterproofing unction also can need optionally to arrange according to working design, repeat no more herein.
Exemplary, as shown in Figure 1, under the sliding sash of the present embodiment, the embody rule situation of mouth structure is as follows:
Window frame 10 is fixed on base course wall 30 by energy-conservation auxiliary frame 20, concrete, the upper surface of energy-conservation auxiliary frame 20 is connected with window frame 10 by the first connector 60, its soffit is connected with base course wall 30 by the second connector 70, and the first connector 60 and the second connector 70 are all fixed on the first bearing stratum 24 in energy-conservation auxiliary frame 20 and the second bearing stratum 25, one side outside energy-conservation auxiliary frame 20 and base course wall 30 faced chamber is equipped with one deck water-proof air-permeable film 100, and heat-preserving wall 40 covers described water-proof air-permeable film 100 completely, one side in energy-conservation auxiliary frame 20 and base course wall 30 faced chamber is equipped with one deck waterproof trapping film 110, indoor window platen 50 covers the waterproof trapping film 110 at energy-conservation auxiliary frame 20 place completely.
Heat-preserving wall 40 be provided with one be tilted under outdoor window platen 120, higher one end, outdoor window platen 120 position is positioned at below the delivery port of the spilled water hole of window frame 10, for the water that downward water conservancy diversion flows out from described spilled water hole water outlet, junction, the indoor window platen 50 of outdoor window platen 120 and window frame 10 are equipped with waterproofing unction 130 with the junction of window frame 10, outdoor window platen 120 is also provided with waterproofing unction with the junction of heat-preserving wall 40, and waterproofing unction is used for be tightly connected gap and water conservancy diversion rainwater.
Sliding sash end opening reasonable in design of the present utility model, effectively can evade the risk that in routine building, seep water and leak out in window hole position, ensure that the leakproofness that window frame and sash overlap simultaneously, avoid the risk of leaking out with cross-talk, the condensation risk at window frame place can also be avoided, thus provide a property dwelling environment as snug as a bug in a rug for user; And sliding sash end opening structural strength of the present utility model is high, and degree of safety is high.The good airproof performance of mouth structure under sliding sash of the present utility model, applied range.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a mouth structure under sliding sash, is characterized in that, comprising:
Window frame, energy-conservation auxiliary frame, base course wall, heat-preserving wall and indoor window platen;
Described heat-preserving wall and described indoor window platen are all fixed on described base course wall;
The upper surface of described energy-conservation auxiliary frame is fixedly connected with described window frame by the first connector, stator assembly is provided with between the soffit of described energy-conservation auxiliary frame and described base course wall, the soffit of described energy-conservation auxiliary frame is fixedly connected with described stator assembly by the second connector, described heat-preserving wall covers the one side outside described energy-conservation auxiliary frame faced chamber, and described indoor window platen covers the one side in described energy-conservation auxiliary frame faced chamber;
The first hollow structure, the second hollow structure, the 3rd hollow structure, the first bearing stratum and the second bearing stratum is provided with in described energy-conservation auxiliary frame, described first bearing stratum is between described first hollow structure and the second hollow structure, described second bearing stratum is between described second hollow structure and described 3rd hollow structure, and described first bearing stratum and described second bearing stratum are for installing described first connector and described second connector.
2. mouth structure under sliding sash as claimed in claim 1, is characterized in that:
Described base course wall is connected by tongue and groove with described heat-preserving wall.
3. mouth structure under sliding sash as claimed in claim 1, is characterized in that:
The plastic-steel section bar that described window frame is sealed by multiple tracks wool top is made;
And/or;
Described energy-conservation auxiliary frame is made up of plastic-wood material.
4. mouth structure under sliding sash as claimed in claim 1, is characterized in that:
Polyurathamc is provided with between described energy-conservation auxiliary frame and described base course wall;
And/or;
Polyurathamc is provided with between described stator assembly and described base course wall.
5. mouth structure under sliding sash as claimed in claim 1, is characterized in that:
One side outside described energy-conservation auxiliary frame faced chamber is provided with water-proof air-permeable film;
And/or;
One side in described energy-conservation auxiliary frame faced chamber is provided with waterproof trapping film;
And/or;
One side outside described base course wall faced chamber is provided with water-proof air-permeable film;
And/or;
One side in described base course wall faced chamber is provided with waterproof trapping film.
6. mouth structure under sliding sash as claimed in claim 1, is characterized in that:
Described window frame is provided with the spilled water hole for draining;
Under described sliding sash, mouth structure also comprises an outdoor window platen, and described outdoor window platen is arranged on described heat-preserving wall, and its one end is positioned at below the delivery port of described spilled water hole, for the water that water conservancy diversion flows out from described spilled water hole.
7. mouth structure under sliding sash as claimed in claim 6, is characterized in that:
Described outdoor window platen is arranged on described heat-preserving wall inclined downward.
8. mouth structure under sliding sash as claimed in claim 6, is characterized in that:
The junction of described outdoor window platen and described window frame is provided with waterproofing unction.
9. mouth structure under sliding sash as claimed in claim 1, is characterized in that:
The junction of described indoor window platen and described window frame is provided with waterproofing unction.
10. mouth structure under the sliding sash as described in any one of claim 1 to 9, is characterized in that:
Described first connector and/or described second connector are tapping screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521065568.8U CN205224987U (en) | 2015-12-18 | 2015-12-18 | Austral window, sliding sash end opening structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521065568.8U CN205224987U (en) | 2015-12-18 | 2015-12-18 | Austral window, sliding sash end opening structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205224987U true CN205224987U (en) | 2016-05-11 |
Family
ID=55900062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521065568.8U Expired - Fee Related CN205224987U (en) | 2015-12-18 | 2015-12-18 | Austral window, sliding sash end opening structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205224987U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514206A (en) * | 2017-07-28 | 2017-12-26 | 河北三山建材科技有限公司 | Door and window is incubated attachment structure |
| CN113279659A (en) * | 2021-06-23 | 2021-08-20 | 中建科工集团有限公司 | Window frame and girder steel connection structure |
-
2015
- 2015-12-18 CN CN201521065568.8U patent/CN205224987U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514206A (en) * | 2017-07-28 | 2017-12-26 | 河北三山建材科技有限公司 | Door and window is incubated attachment structure |
| CN113279659A (en) * | 2021-06-23 | 2021-08-20 | 中建科工集团有限公司 | Window frame and girder steel connection structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200131 room 3E-2030, Pudong Avenue, Pudong New Area Free Trade Zone, Shanghai, China, 2123 Patentee after: Shanghai green building Polytron Technologies Inc Address before: 200131 room 3E-2030, Pudong Avenue, Pudong New Area Free Trade Zone, Shanghai, China, 2123 Patentee before: Shanghai Lang Lv building technology company limited |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20201218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |