CN110843876B - Tubular product conveyer for construction - Google Patents
Tubular product conveyer for construction Download PDFInfo
- Publication number
- CN110843876B CN110843876B CN201911179532.5A CN201911179532A CN110843876B CN 110843876 B CN110843876 B CN 110843876B CN 201911179532 A CN201911179532 A CN 201911179532A CN 110843876 B CN110843876 B CN 110843876B
- Authority
- CN
- China
- Prior art keywords
- wall
- building construction
- conveying device
- pipe conveying
- chassis
- 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
- 238000010276 construction Methods 0.000 title description 2
- 238000009435 building construction Methods 0.000 claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 244000309464 bull Species 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 3
- 238000007906 compression Methods 0.000 claims 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/001—Steering devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention belongs to the technical field of building construction, in particular to a pipe conveying device for building construction, which aims at the problem of great labor consumption in the process of fixing a waterproof sleeve in the prior art, and provides the following scheme. According to the invention, the hydraulic rod is stretched to drive the waterproof sleeve to be lifted, and the beam is pushed along the sliding groove to move the waterproof sleeve into the wall body for supporting and fixing, so that the manpower is saved, the roller is prevented from being clamped in the gap of the steel bar, the walking stability is improved, and the steering during moving is facilitated.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a pipe conveying device for building construction.
Background
The rigid waterproof sleeve is a wall-penetrating sleeve, a general water pool requires to be provided with waterproof sleeves for water pipes penetrating the water pool in order to prevent water from leaking from the side wall, the flexible waterproof sleeve is mainly used in places with high requirements such as civil defense walls and water pools, the rigid waterproof sleeve is generally used in positions of basements and other pipelines needing to be penetrated through the wall, and the rigid waterproof sleeve is suitable for structures where the pipeline is penetrated through the wall and does not bear pipeline vibration and telescopic deformation and is used in areas with earthquake fortification requirements.
The weight of some rigid waterproof sleeves with large specifications usually reaches 60 kilograms, and in the prior art, after the rigid waterproof sleeves are transported, workers are usually required to carry the rigid waterproof sleeves to a steel bar frame for welding and fixing, so that the labor is greatly consumed.
Disclosure of Invention
Based on the technical problem that the waterproof casing is extremely labor-consuming to fix in the prior art, the invention provides a pipe conveying device for building construction.
The invention provides a pipe conveying device for building construction, which comprises a bottom frame, wherein a push handle is arranged on the outer wall of one side of the bottom frame, a support frame is arranged on one side of the outer wall of the top of the bottom frame, a placing frame is arranged on each of two sides of the outer wall of the top of the support frame, sliding grooves are formed in each of two sides of the outer wall of the top of the bottom frame, sliding blocks are slidably connected to the inner walls of the side surfaces of the sliding grooves, a support block is arranged on the outer wall of the top of each sliding block, a hydraulic rod is fixedly connected to the inner wall of the side surface of each support block, a cross rod is arranged on the outer wall of one side of each cross rod, a transmission shell is arranged on the outer wall of one end of each cross rod, three annular and uniformly distributed support cylinders are arranged on the outer wall of the side surface, one end of the rotating rod and one end of the threaded rod form transmission fit through the bevel gear, the outer wall of the side face of the threaded rod is connected to the inner wall of the side face of the telescopic rod through threads, and the outer wall of the bottom frame is provided with a moving mechanism.
Preferably, the outer walls of the two sides of the supporting block are provided with reinforcing ribs, the outer walls of the bottoms of the reinforcing ribs are arranged on the outer wall of the top of the sliding block, the outer wall of the top of the sliding block is provided with a locking hole, and the inner wall of the side face of the locking hole is connected with a locking button through threads.
Preferably, the outer wall of the top of the underframe is provided with a hydraulic control box, and the hydraulic rod is connected with the hydraulic control box.
Preferably, one end of the rotating rod is fixedly connected with a rocking handle, and one end of the outer wall of the side face of the rocking handle is provided with a rocking handle.
Preferably, the moving mechanism comprises a rear wheel frame arranged on one side of the outer wall of the bottom of the underframe, the inner wall of the opposite side of the rear wheel frame is connected with a rear roller through a bearing, and the rear wheel frame is positioned on one side close to the push handle.
Preferably, the moving mechanism further comprises a wheel carrier connected to the other side of the outer wall of the bottom of the underframe through a bearing, the inner wall of the opposite side of the wheel carrier is connected with a roller through a bearing, a rubber strip is bonded to the outer wall of the side face of the roller, and the rubber strip is of a triangular structure.
Preferably, the bottom outer wall both sides of chassis all are provided with the dog, and one side outer wall of dog all is provided with the second spring, and the one end of second spring sets up in one side outer wall of wheel carrier.
Preferably, the top inner wall of the pushing handle is connected with a pressing rod through a hinge, a first spring is arranged between the top outer wall of the pressing rod and the top inner wall of the pushing handle, the outer wall of one end of the pressing rod is connected with a pull rope through a clamp nail, and the other end of the pull rope is connected to the outer wall of one side of the wheel carrier through the clamp nail.
Preferably, the outer wall of one end of the telescopic rod is provided with a wheel groove, and the inner wall of the side surface of the wheel groove is rotatably connected with a supporting wheel.
The beneficial effects of the invention are as follows:
1. through setting up hydraulic stem, telescopic link, a support section of thick bamboo and threaded rod, when transporting waterproof sleeve pipe assigned position, rotate the bull stick and drive the threaded rod and rotate, and then make the telescopic link stretch out and support at waterproof sheathed tube inner wall from a support section of thick bamboo, then the hydraulic stem is tensile to be driven waterproof sleeve pipe and lifts up, and it is fixed to promote the crossbeam to remove inside the supporting of wall body with waterproof sleeve pipe along the spout, has saved the manpower.
2. Through setting up gyro wheel and rubber strip, the gyro wheel is rectangular shape cylindric structure, sets up the rubber strip in the side of gyro wheel, and the rubber strip is the triangle-shaped structure, when this tubular product conveyer is when setting up the reinforcing bar and not pouring subaerial removal, the rubber strip can press on the reinforcing bar, prevents then that the gyro wheel card from improving the stability of walking in the reinforcing bar clearance.
3. Through setting up depression bar, stay cord and second spring, set up the second spring in the side of wheel carrier, the side of wheel carrier sets up the stay cord, when this conveyer need turn to in the removal, the pulling stay cord can drive the wheel carrier skew, turns to then, has made things convenient for turning to in the removal.
Drawings
FIG. 1 is a schematic view of the overall structure of a pipe transportation device for building construction according to the present invention;
FIG. 2 is a schematic structural view of a transmission housing of the pipe transportation device for building construction according to the present invention;
FIG. 3 is a schematic view of a roller structure of the pipe transportation device for building construction according to the present invention;
fig. 4 is a schematic structural diagram of a stop block of the pipe transportation device for building construction provided by the invention.
In the figure: 1-underframe, 2-hydraulic control box, 3-crank, 4-crank, 5-strengthening rib, 6-pushing handle, 7-pressure bar, 8-first spring, 9-hydraulic bar, 10-crossbeam, 11-telescopic rod, 12-supporting wheel, 13-supporting cylinder, 14-transmission shell, 15-placing rack, 16-supporting frame, 17-wheel frame, 18-roller, 19-second spring, 20-chute, 21-supporting block, 22-slider, 23-locking button, 24-cross bar, 25-rubber strip, 26-rotating rod, 27-threaded rod, 28-pull rope and 29-stop block.
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.
Example 1
Referring to fig. 1-4, a pipe transportation device for building construction comprises a chassis 1, a push handle 6 welded on the outer wall of one side of the chassis 1, a support frame 16 welded on one side of the outer wall of the top of the chassis 1, a placing frame 15 arranged on both sides of the outer wall of the top of the support frame 16, sliding chutes 20 arranged on both sides of the outer wall of the top of the chassis 1, sliding blocks 22 connected with sliding blocks 22 in a sliding manner on the inner walls of the sides of the sliding blocks 22, supporting blocks 21 welded on the outer wall of the top of the supporting blocks 21, hydraulic rods 9 connected with the same cross beam 10, a cross rod 24 welded on the outer wall of one side of the cross beam 10, a transmission shell 14 welded on the outer wall of one end of the cross rod 24, three support cylinders 13 distributed uniformly in an annular manner welded on the outer wall of the side of the transmission shell 14, telescopic rods 11 connected with the, and the side inner wall of the supporting cylinder 13 is connected with a threaded rod 27 through a bearing, one end of the rotating rod 26 and one end of the threaded rod 27 form transmission fit through a helical gear, the side outer wall of the threaded rod 27 is connected with the side inner wall of the telescopic rod 11 through a thread, and the bottom outer wall of the chassis 1 is provided with a moving mechanism.
In the invention, the outer walls of two sides of the supporting block 21 are welded with the reinforcing ribs 5, the outer wall of the bottom of each reinforcing rib 5 is welded on the outer wall of the top of the sliding block 22, the outer wall of the top of the sliding block 22 is provided with a locking hole, and the inner wall of the side surface of the locking hole is connected with a locking button 23 through threads.
Wherein, the top outer wall of chassis 1 has hydraulic control box 2 through the screw connection, and hydraulic stem 9 is connected with hydraulic control box 2.
Wherein, one end of the rotating rod 26 is fixedly connected with the rocking handle 4, and one end of the outer wall of the side surface of the rocking handle 4 is provided with the crank 3.
The moving mechanism comprises a rear wheel frame welded on one side of the outer wall of the bottom of the underframe 1, the inner wall of the opposite side of the rear wheel frame is connected with a rear roller through a bearing, and the rear wheel frame is positioned on one side close to the push handle 6.
The moving mechanism further comprises a wheel frame 17 connected to the other side of the outer wall of the bottom of the underframe 1 through a bearing, the inner wall of the opposite side of the wheel frame 17 is connected with a roller 18 through a bearing, a rubber strip 25 is bonded to the outer wall of the side face of the roller 18, and the rubber strip 25 is of a triangular structure.
Wherein, the both sides of the bottom outer wall of chassis 1 all weld the dog 29, and the outer wall of one side of dog 29 all welds the second spring 19, and the one end of second spring 19 welds in the outer wall of one side of wheel carrier 17.
Wherein, the top inner wall of pushing away 6 all has depression bar 7 through hinged joint, and the welding has first spring 8 between the top outer wall of depression bar 7 and the top inner wall of pushing away 6, and the one end outer wall of depression bar 7 is connected with stay cord 28 through the bail, and the other end of stay cord 28 passes through the bail and connects in one side outer wall of wheel carrier 17.
When the device is used, the waterproof sleeve is placed on the placing frame 15, the pipe conveying device can be pushed to move by the pushing handle 6, when the device needs to turn, the rotating direction of the pressing rod 7 is pressed, then the corresponding pulling rope 28 is pulled by the pressing rod 7, and then the pulling rope 28 can pull the wheel frame 17 to deflect to the rotating direction, so that the device can turn in moving, when the device moves on an un-poured reinforcing steel bar frame, the cylindrical long-strip roller 18 can be pressed on the reinforcing steel bar frame, so that the roller 18 is prevented from being clamped in the gap of the reinforcing steel bar, when the device meets the raised reinforcing steel bar, the rubber strip 25 can be pressed on the reinforcing steel bar, so that the device can be turned over from the raised reinforcing steel bar, so that the device is convenient to move, when the device moves to the installation position of the waterproof sleeve, the cross beam 10 is pushed to push the telescopic rod 11 into the waterproof sleeve, the rocking handle 3 is rotated to drive the rotating rod 26, make telescopic link 11 support at waterproof sheathed tube inner wall, then through the tensile of hydraulic control box 2 control hydraulic stem 9, drive waterproof sleeve pipe then and lift up to promote crossbeam 10 and push waterproof sleeve pipe and carry out welded fastening in pushing steel framework.
Example 2
Referring to fig. 1, compared with embodiment 1, in order to prevent the end of the telescopic rod 11 from wearing the inner wall of the waterproof casing, a wheel groove is formed on the outer wall of one end of the telescopic rod 11, and a supporting wheel 12 is rotatably connected to the inner wall of the side surface of the wheel groove.
Compared with embodiment 1, when the telescopic rod 11 is pressed against the inner wall of the waterproof sleeve, rolling friction is generated between the supporting wheel 12 and the waterproof sleeve, and then the inner wall of the waterproof sleeve can be prevented from being damaged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A pipe conveying device for building construction comprises a chassis (1), wherein a push handle (6) is arranged on the outer wall of one side of the chassis (1), a support frame (16) is arranged on one side of the outer wall of the top of the chassis (1), and is characterized in that placing frames (15) are arranged on two sides of the outer wall of the top of the support frame (16), sliding chutes (20) are formed in two sides of the outer wall of the top of the chassis (1), sliding blocks (22) are connected to the inner walls of the side surfaces of the sliding chutes (20) in a sliding manner, supporting blocks (21) are arranged on the outer wall of the top of the sliding blocks (22), hydraulic rods (9) are fixedly connected to the inner walls of the side surfaces of the supporting blocks (21), the outer wall of the top of each hydraulic rod (9) is fixedly connected with a same cross beam (10), a cross rod (24) is arranged on the outer wall of one side of each cross beam (10, the equal sliding connection of side inner wall of a support section of thick bamboo (13) has telescopic link (11), the side inner wall of horizontal pole (24) is connected with bull stick (26) through the bearing, and the side inner wall of a support section of thick bamboo (13) is connected with threaded rod (27) through the bearing, and the one end of bull stick (26) and the one end of threaded rod (27) pass through helical gear and form the transmission cooperation, and the side outer wall of threaded rod (27) passes through threaded connection in the side inner wall of telescopic link (11), the bottom outer wall of chassis (1) is provided with moving mechanism.
2. The pipe conveying device for building construction according to claim 1, wherein the outer walls of both sides of the supporting block (21) are provided with reinforcing ribs (5), the outer walls of the bottoms of the reinforcing ribs (5) are arranged on the outer walls of the tops of the sliding blocks (22), the outer walls of the tops of the sliding blocks (22) are provided with locking holes, and the inner walls of the sides of the locking holes are connected with locking buttons (23) through threads.
3. The pipe conveying device for building construction according to claim 1, characterized in that a hydraulic control box (2) is arranged on the outer wall of the top of the underframe (1), and the hydraulic rod (9) is connected with the hydraulic control box (2).
4. The pipe conveying device for building construction as claimed in claim 1, wherein a rocking handle (4) is fixedly connected to one end of the rotating rod (26), and a rocking handle (3) is arranged at one end of the outer wall of the side surface of the rocking handle (4).
5. The pipe conveying device for building construction as claimed in claim 1, wherein the moving mechanism comprises a rear wheel frame arranged on one side of the outer wall of the bottom of the underframe (1), and a rear roller is connected to the inner wall of the opposite side of the rear wheel frame through a bearing, and the rear wheel frame is positioned on one side close to the push handle (6).
6. The pipe conveying device for building construction according to claim 5, wherein the moving mechanism further comprises a wheel carrier (17) connected to the other side of the outer wall of the bottom of the underframe (1) through a bearing, the inner wall of the opposite side of the wheel carrier (17) is connected with a roller (18) through a bearing, a rubber strip (25) is bonded to the outer wall of the side surface of the roller (18), and the rubber strip (25) is of a triangular structure.
7. The pipe conveying device for building construction according to claim 6, characterized in that the bottom outer wall of the chassis (1) is provided with a stop block (29) at both sides, and one side outer wall of the stop block (29) is provided with a second spring (19), and one end of the second spring (19) is arranged at one side outer wall of the wheel carrier (17).
8. The pipe conveying device for building construction as claimed in claim 7, wherein the top inner wall of the push handle (6) is connected with a compression bar (7) through a hinge, a first spring (8) is arranged between the top outer wall of the compression bar (7) and the top inner wall of the push handle (6), the outer wall of one end of the compression bar (7) is connected with a pull rope (28) through a staple, and the other end of the pull rope (28) is connected to the outer wall of one side of the wheel carrier (17) through a staple.
9. The pipe conveying device for building construction as claimed in claim 1, wherein the outer wall of one end of the telescopic rod (11) is provided with a wheel groove, and the inner wall of the side surface of the wheel groove is rotatably connected with a supporting wheel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911179532.5A CN110843876B (en) | 2019-11-27 | 2019-11-27 | Tubular product conveyer for construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911179532.5A CN110843876B (en) | 2019-11-27 | 2019-11-27 | Tubular product conveyer for construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110843876A CN110843876A (en) | 2020-02-28 |
| CN110843876B true CN110843876B (en) | 2021-01-22 |
Family
ID=69605092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911179532.5A Expired - Fee Related CN110843876B (en) | 2019-11-27 | 2019-11-27 | Tubular product conveyer for construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110843876B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116199159B (en) * | 2023-05-06 | 2023-06-30 | 中铁建工集团第二建设有限公司 | Assembled building lifting device |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204817078U (en) * | 2015-06-23 | 2015-12-02 | 江西红睿马钢管股份有限公司 | Seamless steel pipe inner wall is even scribbles shower nozzle for device |
| US9623892B2 (en) * | 2015-08-20 | 2017-04-18 | Ergo-Safe, Inc. | Apparatus for handling cylindrical objects and method of utilizing the same |
| WO2018161199A1 (en) * | 2017-03-05 | 2018-09-13 | 肖丽芳 | Mounting trolley for photovoltaic panel for solar power generation |
| CN206927392U (en) * | 2017-07-04 | 2018-01-26 | 来安县科来兴实业有限责任公司 | A kind of core type location mandril that rises being conveniently replaceable |
| CN107458445A (en) * | 2017-08-28 | 2017-12-12 | 中海油能源发展股份有限公司 | A kind of dolly that material is had bad luck for offshore platform |
| US20190315384A1 (en) * | 2018-04-16 | 2019-10-17 | Kratos Tool Systems LLC | Bucket and tool transporter |
| CN208496557U (en) * | 2018-05-15 | 2019-02-15 | 天津市振海工贸有限公司 | One kind being used for stainless steel tube bore area burnishing device |
| CN208897136U (en) * | 2018-08-23 | 2019-05-24 | 四川金雄塑胶有限公司 | A kind of building water supply and drainage pipeline conveying device that protecting effect is good |
| US10377404B1 (en) * | 2018-08-24 | 2019-08-13 | Von Rohr Equiptment Corp. | Steerable paired dolly system |
| CN209600519U (en) * | 2018-10-26 | 2019-11-08 | 胡思曼 | A kind of power pipe transport device |
| CN209303977U (en) * | 2018-10-26 | 2019-08-27 | 山东恒涛节能环保有限公司 | One kind is for clamping traction spiral fin coil base tube tooling |
| CN209410093U (en) * | 2018-11-16 | 2019-09-20 | 西北矿冶研究院 | Barreled material self-loading and unloading type trolley |
| CN209491775U (en) * | 2019-01-11 | 2019-10-15 | 杨沐新 | A kind of mechanical arm apparatus for tubular product discharging |
| CN209683758U (en) * | 2019-06-12 | 2019-11-26 | 刘杰 | A kind of building pipe transport device |
| CN110293493A (en) * | 2019-07-03 | 2019-10-01 | 武汉欣力瑞机电设备有限公司 | A kind of pawl pole installation positioning auxiliary device |
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2019
- 2019-11-27 CN CN201911179532.5A patent/CN110843876B/en not_active Expired - Fee Related
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| CN110843876A (en) | 2020-02-28 |
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Effective date of registration: 20210107 Address after: Room 115, building 1, Yijing garden, Liyu City, 1099 Zhujiang North Road, Tianyuan District, Zhuzhou City, Hunan Province, 412007 Applicant after: Zhuzhou Wukesong building materials Co.,Ltd. Address before: Building A2, Jingu, high tech Xinma, 959 Tianyi Avenue, Tianyuan District, Zhuzhou City, Hunan Province, 412000 Applicant before: Zhuzhou xingrun polymer new material Co.,Ltd. |
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Granted publication date: 20210122 |