CN112098002B - Building infiltration detection device - Google Patents
Building infiltration detection device Download PDFInfo
- Publication number
- CN112098002B CN112098002B CN202011291750.0A CN202011291750A CN112098002B CN 112098002 B CN112098002 B CN 112098002B CN 202011291750 A CN202011291750 A CN 202011291750A CN 112098002 B CN112098002 B CN 112098002B
- Authority
- CN
- China
- Prior art keywords
- water
- fixedly connected
- water tank
- cover
- reciprocating screw
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a building water seepage detection device, which comprises a water tank, a water cover, a first reciprocating screw rod, a motor and a water supply mechanism, wherein the water supply mechanism comprises a communicating pipe, a pump bin and a second reciprocating screw rod; the inner shell is abutted to the wall body through the abutting spring, so that the inner shell and the wall body have good sealing performance, and water resources are collected more fully.
Description
Technical Field
The invention relates to the technical field of building detection devices, in particular to a building water seepage detection device.
Background
In life, people sometimes encounter the condition of wall water seepage, the reason of the wall water seepage can be as follows, one is based on the difference of the performance of waterproof materials and the difference of the climate in south and north China, the waterproof design of a house has certain complexity, once the waterproof design of a project has problems, the leakage of the outer wall of the house building can be directly caused; the other is that various novel wall materials adopted in modern building construction basically have the characteristics of larger porosity, stronger water absorption and poorer permeation resistance. Therefore, in the process of building, cement mortar in mortar joints, especially vertical joints, is difficult to achieve the effects of fullness, kneading and compaction, and the connection positions between the wall body and the beam column of reinforced concrete and between the window frame and the wall body often form cracks due to different properties of materials, so that the leakage problem of the wall body is caused; the third is leakage of the outer wall of the building construction due to the construction process and the construction technology.
The water seepage detection is one of the important steps in the building acceptance link, in the prior art, the water seepage detection is generally carried out by spraying water to the wall surface, the water seepage time in the wall body is long, so long-time water spraying is needed, a large amount of water resource waste is caused, the other mode of the water seepage detection is to cover the area to be detected through a water cover, water is sprayed in the water cover, the water cover can collect water flowing down from the wall surface, and in the detection mode, the water cover is generally fixed and inconvenient to move, so that the wall body area which can be detected at a single time is small, and the efficiency is seriously reduced.
Disclosure of Invention
In order to solve the problems, the invention provides a building water seepage detection device, which is realized by the following technical scheme.
A building water seepage detection device comprises a water tank, a water cover, a first reciprocating screw rod, a motor and a water supply mechanism; the water tank is of a cuboid cavity structure, a liquid feeding pipe and a liquid discharging pipe are fixedly connected to the upper portion and the lower portion of a front side plate of the water tank respectively, the head portion of the liquid discharging pipe is in threaded connection with a cover body, a portal frame is fixedly connected to the upper surface of a top plate of the water tank, the water cover is of a cuboid cavity structure with an opening in the front side, sliding sleeves are symmetrically and fixedly connected to the left side and the right side of the water cover, the sliding sleeves on the left side and the right side of the portal frame are respectively in sliding connection with vertical rods on the left side and the right side of the portal frame, backflow hoses are fixedly connected to a bottom plate of the water cover, an axle seat is fixedly connected to the rear side of a cross rod of the portal frame, a first reciprocating screw rod is rotatably connected between the axle seat and the top plate of the water tank, a reciprocating screw sleeve is fixedly connected to the outer wall of a rear side, the output shaft of motor is fixedly connected with the action wheel, and the action wheel is linked with the drive wheel through first belt, and water supply mechanism is used for pumping the water in the water tank to the water cover and spraying out.
Further, the water supply mechanism comprises a communicating pipe, a pump bin and a second reciprocating screw rod, the communicating pipe is arranged above the water cover, the lower surface of the communicating pipe is uniformly and fixedly connected with a plurality of water spray pipes along the axial direction, the water spray pipes are L-shaped, the heads of the water spray pipes point to the opening of the water cover, the heads of the water spray pipes are fixedly connected with an atomizing nozzle, the cross section of the inner cavity of the pump bin is square, the pump bin is fixedly connected with the outer walls of the left side plate and the right side plate of the water tank, the bottom of the pump bin is connected with the bottom of the water tank through a water pumping pipe, a first one-way valve is arranged in each water pumping pipe, the direction in which the first one-way valve allows fluid to pass is that the water tank points to the pump bin, the bottom of the pump bin is also connected with the communicating pipe through a water supply hose, a second one-, the top plate of the pump bin is provided with a through hole, the interior of the pump bin is connected with a piston in a sealing and sliding mode, the second reciprocating screw rod is rotatably connected between the bottom plate and the top plate of the pump bin and meshed with the piston, the top of the second reciprocating screw rod extends out of the pump bin and is fixedly connected with a first driving wheel, the first reciprocating screw rod is fixedly connected with a second driving wheel, and the second driving wheel is linked with the first driving wheel through a second belt.
Further, water cover sliding connection has the inner shell, the uncovered setting in both sides around the inner shell, the equal rigid coupling in each side of inner shell has the branch of L shape, and each side rigid coupling of water cover has the sleeve that corresponds with branch, branch and sleeve sliding connection, the head rigid coupling of branch has the anticreep board, and the rigid coupling has the spring of supporting tightly between anticreep board and the telescopic bottom surface.
Furthermore, the front side of the inner wall of the inner shell is fixedly connected with a clip-shaped rubber ring, the cross section of the rubber ring is triangular, one part of the rubber ring extends out of the inner shell, and the rubber ring is made of smooth rubber.
Furthermore, an observation window made of transparent glass is fixedly connected to the front side plate of the water tank.
Furthermore, self-locking universal wheels are fixedly connected at four corners of the bottom of the water tank.
The invention has the following beneficial effects:
1. when the motor works, the motor provides power for the water supply mechanism, so that water in the water tank is pumped into the water cover to be sprayed out, and the sprayed water acts on the wall body, so that the water seepage detection of the wall body is carried out;
2. the water cover can collect water flowing down from the wall surface and flow back to the water tank through the return pipe for recycling, so that a large amount of waste of water resources can be avoided;
3. the motor can drive the water cover to lift while working, so that the water spraying area is changed along with the water spraying, the whole vertical wall is sprayed with water, the detection area is increased, and the detection efficiency is improved;
4. the single motor can realize water spraying and lifting of the water cover, so that power equipment is reduced, the manufacturing cost of the device is reduced, the complexity of the device is reduced, and the difficulty of maintenance is reduced;
5. the inner shell is abutted to the wall body through the abutting spring, so that the inner shell and the wall body have good sealing performance, and water resources are collected more fully.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive labor.
FIG. 1: the invention discloses a structural schematic diagram of a building water seepage detection device;
FIG. 2: the invention discloses a structural schematic diagram of another angle of the building water seepage detection device;
FIG. 3: the partial schematic view of the position of the water cover of the invention;
FIG. 4: the internal structure of the water cover is shown schematically;
FIG. 5: FIG. 4 is a partial enlarged view of the point A;
FIG. 6: the invention discloses a structural schematic diagram of the position of a pump bin;
FIG. 7: the invention discloses a transmission schematic diagram of a motor.
The reference numbers are as follows:
1-water tank, 101-liquid feeding pipe, 102-liquid discharging pipe, 103-cover body, 104-portal frame, 105-observation window and 106-self-locking universal wheel;
2-water cover, 201-sliding sleeve, 202-return hose, 203-inner shell, 204-supporting rod, 205-sleeve, 206-anti-drop plate, 207-resisting spring, 208-rubber ring;
3-a first reciprocating screw rod, 301-an axle seat, 302-a reciprocating threaded sleeve and 303-a driven wheel;
4-motor, 401-driving wheel, 402-first belt;
501-a communicating pipe, 502-a pump bin, 503-a second reciprocating screw rod, 504-a water spraying pipe, 505-an atomizing nozzle, 506-a water pumping pipe, 507-a first one-way valve, 508-a water supply hose, 509-a second one-way valve, 510-a through hole, 511-a piston, 512-a first transmission wheel, 513-a second transmission wheel and 514-a second belt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-7, a building water seepage detection device comprises a water tank 1, a water cover 2, a first reciprocating screw rod 3, a motor 4 and a water supply mechanism; the water tank 1 is a cuboid cavity structure, a liquid feeding pipe 101 and a liquid discharging pipe 102 are fixedly connected with the upper and lower parts of the front side plate of the water tank 1 respectively, the head part of the liquid discharging pipe 102 is in threaded connection with a cover body 103, a portal frame 104 is fixedly connected with the upper surface of the top plate of the water tank 1, the water cover 2 is in a cuboid cavity structure with an opening on the front side, sliding sleeves 201 are symmetrically and fixedly connected with the left and right sides of the water cover 2, the sliding sleeves 201 on the left and right sides are respectively in sliding connection with vertical rods on the left and right sides of the portal frame 104, backflow hoses 202 are symmetrically and fixedly connected with the bottom plate of the water cover 2, the bottom of the backflow hose 202 is connected with the top plate of the water tank 1, a shaft seat 301 is fixedly connected with the rear side of a cross rod of the portal frame 104, a first reciprocating screw rod 3 is rotatably connected between the shaft seat 301 and the top plate of the water tank, motor 4 rigid coupling is in the posterior lateral plate outer wall of water tank 1, and the output shaft rigid coupling of motor 4 has action wheel 401, and action wheel 401 and drive wheel pass through first belt 402 and link, and water supply mechanism is arranged in extracting the water in the water tank 1 to spout in the water cover 2.
Preferably, the water supply mechanism comprises a communicating pipe 501, a pump chamber 502 and a second reciprocating screw rod 503, the communicating pipe 501 is arranged above the water cover 2, the lower surface of the communicating pipe 501 is uniformly and fixedly connected with a plurality of water spray pipes 504 along the axial direction, the water spray pipes 504 are L-shaped, the heads of the water spray pipes 504 point to the opening of the water cover 2, the heads of the water spray pipes 504 are fixedly connected with an atomizing nozzle 505, the cross section of the inner cavity of the pump chamber 502 is square, the pump chamber 502 is fixedly connected with one position on the outer wall of each of the left and right side plates of the water tank 1, the bottom of the pump chamber 502 is connected with the bottom of the water tank 1 through a water pumping pipe 506, a first one-way valve 507 is arranged in the water pumping pipe 506, the direction in which the first one-way valve 507 allows fluid to pass is that the water tank 1 points to the pump chamber 502, the bottom of the pump chamber 502 is further connected with the communicating pipe 501 through a water supply hose 508, a through hole 510 is arranged on the top plate of the pump chamber 502, a piston 511 is connected in the pump chamber 502 in a sealing and sliding manner, a second reciprocating screw 503 is rotatably connected between the bottom plate and the top plate of the pump chamber 502 and is meshed with the piston 511, the top of the second reciprocating screw 503 extends out of the pump chamber 502 and is fixedly connected with a first driving wheel 512, a second driving wheel 513 is fixedly connected on the first reciprocating screw 3, and the second driving wheel 513 is linked with the two first driving wheels 512 through a second belt 514.
Preferably, the inner shell 203 is slidably connected in the water cover 2, the front side and the rear side of the inner shell 203 are open, each side of the inner shell 203 is fixedly connected with an L-shaped supporting rod 204, each side of the water cover 2 is fixedly connected with a sleeve 205 corresponding to the supporting rod 204, the supporting rod 204 is slidably connected with the sleeve 205, the head of the supporting rod 204 is fixedly connected with an anti-drop plate 206, and a resisting spring 207 is fixedly connected between the anti-drop plate 206 and the bottom surface of the sleeve 205.
Preferably, a clip-shaped rubber ring 208 is fixedly connected to the front side of the inner wall of the inner shell 203, the cross section of the rubber ring 208 is triangular, a part of the rubber ring 208 extends out of the inner shell 203, and the rubber ring 208 is made of smooth rubber.
Preferably, a transparent glass observation window 105 is fixed to the front side plate of the water tank 1.
Preferably, the four corners of the bottom of the water tank 1 are fixedly connected with self-locking universal wheels 106.
One embodiment of the present invention is:
when the device is used, the device is moved to an area to be detected through rolling of the self-locking universal wheel 106, the front side of the device is close to a wall, the rubber ring 208 is tightly abutted against the wall under the action of the abutting spring 207, then the self-locking universal wheel 106 is locked, and clear water is added into the water tank 1 through the liquid adding pipe 101.
The motor 4 is started, the motor 4 drives the driving wheel 401 to rotate when working, the driving wheel 401 drives the driven wheel 303 and the first reciprocating screw rod 3 to rotate through the first belt 402, so that the second transmission wheel 513 rotates, the second transmission wheel 513 drives each first transmission wheel 512 to rotate through the second belt 514, and the second reciprocating screw rod 503 rotates.
When the first reciprocating screw rod 3 rotates, the piston 511 engaged with the first reciprocating screw rod reciprocates up and down in the pump chamber 502, the space above the piston 511 is communicated with the external atmospheric pressure through the through hole 510, so that the piston 511 can smoothly lift, when the piston 511 lifts, the pressure of the pump chamber 502 below the piston 511 is reduced, so that water in the water tank 1 enters the pump chamber 502 through the water pumping pipe 506 and the first one-way valve 507, when the piston 511 descends, the water in the pump chamber 502 is conveyed into the communicating pipe 501 through the water supply pipe and the second one-way valve 509, and the water in the communicating pipe 501 is sprayed out through the water spraying pipe 504 and the atomizing nozzle 505 and acts on the wall surface.
When the second reciprocating screw rod 503 rotates, the water cover 2 performs reciprocating lifting motion, so that the area for spraying water is constantly changed, the detection area is increased, the efficiency is improved, water flowing down on the wall surface is collected into the water cover 2 through the rubber ring 208 and flows back into the water tank 1 through the return pipe for recycling, and the waste of water resources can be reduced.
The return hose 202 and the water supply hose 508 may be bent at will to accommodate the elevation of the water cover 2.
The rubber ring 208 is arranged to be a smooth surface, and under the condition that water exists on the wall surface, the friction force between the rubber ring and the wall surface is small, so that the rubber ring can smoothly slide on the wall surface.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a building infiltration detection device which characterized in that: comprises a water tank, a water cover, a first reciprocating screw rod, a motor and a water supply mechanism; the water tank is of a cuboid cavity structure, a liquid feeding pipe and a liquid discharging pipe are fixedly connected to the upper portion and the lower portion of a front side plate of the water tank respectively, the head portion of the liquid discharging pipe is in threaded connection with a cover body, a portal frame is fixedly connected to the upper surface of a top plate of the water tank, the water cover is of a cuboid cavity structure with an opening in the front side, sliding sleeves are symmetrically and fixedly connected to the left side and the right side of the water cover, the sliding sleeves on the left side and the right side of the portal frame are respectively in sliding connection with vertical rods on the left side and the right side of the portal frame, backflow hoses are fixedly connected to a bottom plate of the water cover, an axle seat is fixedly connected to the rear side of a cross rod of the portal frame, a first reciprocating screw rod is rotatably connected between the axle seat and the top plate of the water tank, a reciprocating screw sleeve is fixedly connected to the outer wall of a rear side, the output shaft of the motor is fixedly connected with a driving wheel, the driving wheel is linked with the driving wheel through a first belt, and the water supply mechanism is used for pumping water in the water tank into the water cover to be sprayed out; the water supply mechanism comprises a communicating pipe, a pump bin and a second reciprocating screw rod, the communicating pipe is arranged above the water cover, the lower surface of the communicating pipe is uniformly and fixedly connected with a plurality of water spray pipes along the axial direction of the communicating pipe, the water spray pipes are L-shaped, the heads of the water spray pipes point to the opening of the water cover, the heads of the water spray pipes are fixedly connected with an atomizing nozzle, the cross section of the inner cavity of the pump bin is square, the pump bin is fixedly connected with the outer walls of the left side plate and the right side plate of the water tank, the bottom of the pump bin is connected with the bottom of the water tank through a water pumping pipe, a first one-way valve is arranged in the water pumping pipe, the direction in which the first one-way valve allows fluid to pass through is the direction of the water tank to the pump bin, the bottom of the pump bin is also connected with the communicating pipe through a water supply hose, a second one, the piston is connected in the pump bin in a sealing and sliding mode, the second reciprocating screw rod is connected between the bottom plate and the top plate of the pump bin in a rotating mode and meshed with the piston, the top of the second reciprocating screw rod extends out of the pump bin and is fixedly connected with a first driving wheel, a second driving wheel is fixedly connected to the first reciprocating screw rod, and the second driving wheel is linked with the first driving wheels through a second belt.
2. The building water seepage detection device according to claim 1, characterized in that: sliding connection has the inner shell in the water cover, the uncovered setting in both sides around the inner shell, the equal rigid coupling in each side of inner shell has the branch of L shape, and each side rigid coupling of water cover has the sleeve that corresponds with branch, branch and sleeve sliding connection, the head rigid coupling of branch has the anticreep board, and the rigid coupling has to support tight spring between anticreep board and the telescopic bottom surface.
3. The building water seepage detection device according to claim 2, characterized in that: the rubber ring is characterized in that a clip-shaped rubber ring is fixedly connected to the front side of the inner wall of the inner shell, the cross section of the rubber ring is triangular, a part of the rubber ring extends out of the inner shell, and the rubber ring is made of smooth rubber.
4. The building water seepage detection device according to claim 1, characterized in that: and an observation window made of transparent glass is fixedly connected to the front side plate of the water tank.
5. The building water seepage detection device according to claim 1, characterized in that: and self-locking universal wheels are fixedly connected at four corners of the bottom of the water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011291750.0A CN112098002B (en) | 2020-11-18 | 2020-11-18 | Building infiltration detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011291750.0A CN112098002B (en) | 2020-11-18 | 2020-11-18 | Building infiltration detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112098002A CN112098002A (en) | 2020-12-18 |
| CN112098002B true CN112098002B (en) | 2021-05-28 |
Family
ID=73785235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011291750.0A Active CN112098002B (en) | 2020-11-18 | 2020-11-18 | Building infiltration detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112098002B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166281A (en) * | 2021-12-07 | 2022-03-11 | 阜阳职业技术学校(颍东技工学校) | Manage and use wall hollowing infiltration detection device with automatic water supply function |
| CN114602696B (en) * | 2022-04-12 | 2023-02-24 | 商丘师范学院 | Bill-board spraying equipment with clearance function |
| CN115326678B (en) * | 2022-08-31 | 2023-05-26 | 浙江一诚工程咨询有限公司 | Building outer wall and window edge water seepage testing device for engineering supervision and control method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3735630B2 (en) * | 2003-06-05 | 2006-01-18 | 広士 吾妻 | Drainage pipe leak inspection device |
| CN206330716U (en) * | 2016-12-30 | 2017-07-14 | 唐山市思远工程材料检测有限公司 | A kind of live air-tightness detection device of external window of building |
| CN107687920A (en) * | 2017-09-04 | 2018-02-13 | 吴步晨 | A kind of construction supervision construction wall water test device |
| CN210513546U (en) * | 2019-01-19 | 2020-05-12 | 浙江卓信建筑有限公司 | Be convenient for detect building outer wall infiltration equipment |
| CN110887607A (en) * | 2019-11-14 | 2020-03-17 | 中建深业建设发展有限公司 | Building outer wall infiltration detection device |
| CN211877320U (en) * | 2020-03-05 | 2020-11-06 | 李玲 | Waterproof supervision acceptance device of building |
-
2020
- 2020-11-18 CN CN202011291750.0A patent/CN112098002B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112098002A (en) | 2020-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112098002B (en) | Building infiltration detection device | |
| CN211121812U (en) | Engineering is managed with building outer wall infiltration testing arrangement | |
| CN117107764B (en) | Pile foundation hole cleaning device | |
| CN108952093B (en) | Indoor and outdoor decoration device | |
| CN216604562U (en) | Dust device for building engineering | |
| CN113026987A (en) | Anti-leakage method for controlling stress crack of steel-concrete main structure | |
| CN213508979U (en) | Assembled building drainage structures | |
| CN209476876U (en) | A kind of truck cleaning machine | |
| CN215053020U (en) | Hydraulic engineering cementer | |
| CN211818122U (en) | Brick body spray set for construction | |
| CN212417387U (en) | Construction blasting is with dustproof watering device | |
| CN208483001U (en) | A kind of soil remediation soil-repairing agent flusher | |
| CN209619927U (en) | A kind of architectural engineering watering dust collecting device | |
| CN220939790U (en) | Prevent environmental pollution's dust suppression mechanism | |
| CN219364462U (en) | Water conservancy construction maintenance device | |
| CN220860979U (en) | Civil engineering environmental protection dust fall equipment | |
| CN217494691U (en) | Building engineering agitating unit | |
| CN214460851U (en) | Automatic storage water tank of restoreing in advance of assembled contaminated water | |
| CN221399159U (en) | River sewage treatment dredging equipment | |
| CN213314015U (en) | Dustproof spray set of municipal building construction | |
| CN214914536U (en) | Dust fall equipment is used to municipal administration pipeline job site | |
| CN115143339B (en) | Repairing device and method for urban underground drainage pipeline | |
| CN221386074U (en) | Epoxy self-leveling electric stirrer | |
| CN113978144B (en) | Self-cleaning structure and cleaning method of secondary ink box for glass spray painting equipment | |
| CN218591348U (en) | Pipeline decontamination plant for water supply and drainage engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210510 Address after: Floor 1 and 2, No.1 complex building, No.10 yingkai Road, Jiangnan District, Nanning City, Guangxi Zhuang Autonomous Region Applicant after: NANNING JIANCE CONSTRUCTION ENGINEERING QUALITY DETECTION Co.,Ltd. Address before: 210000 Hengxi community, Hengxi street, Jiangning District, Nanjing City, Jiangsu Province (Zhaocun Road) Applicant before: Nanjing Dace Doors and Windows Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |