CN205875750U - T style of calligraphy harrow - Google Patents
T style of calligraphy harrow Download PDFInfo
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- CN205875750U CN205875750U CN201620835358.0U CN201620835358U CN205875750U CN 205875750 U CN205875750 U CN 205875750U CN 201620835358 U CN201620835358 U CN 201620835358U CN 205875750 U CN205875750 U CN 205875750U
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- pushing plate
- support bar
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- port
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Abstract
The utility model provides a T style of calligraphy harrow belongs to the building construction auxiliary equipment field, including push plate, bracing piece, supplementary dead lever and handle, bracing piece perpendicular to push plate's face, one end fixed connection in the push plate of bracing piece, the other end fixed connection handle of bracing piece, supplementary dead lever and bracing piece lie in same one side of push plate, one end fixed connection in the push plate of supplementary dead lever, and its other end fixed connection in bracing piece, supplementary dead lever sets up with the bracing piece slope, be provided with a plurality of li of unloading holes on push plate's the face, every direction of unloading power hole edge perpendicular to face runs through push plate, and a plurality of li of unloading hole evenly distributed are on push plate's face. In carrying out bulky concreting process, utilize T style of calligraphy harrow can with accumulational concrete propelling movement to waiting the position of building, concrete pouring is more even, condensing and vibrating of the concrete of being convenient for has improved and has built the quality.
Description
Technical field
This utility model relates to construction auxiliary equipment field, in particular to a kind of T font rake.
Background technology
The economic fast development of China Today, in engineering construction, mass concrete construction generally exists, industrial building
In Factory Building, mass concrete is widely used in equipment Foundations.The large volume having steel plate built-in fitting to bind in industrial premises is mixed
Following problem usually can be met: under the installation inconvenience of built-in fitting, built-in fitting, concrete is difficult to vibrate and leads during solidifying soil construction
Cause hollowing and temperature cracks control of mass concrete etc..Wherein, built-in fitting (prefabricated embedded part) is exactly installation (burying) in advance
Component in concealed work.It is exactly the component and fitting disposed when structure pours, overlap joint during for building superstructure by laying bricks or stones, in order to
Installation in field engineering equipment Foundations is fixed.Built-in fitting is manufactured by metal mostly, such as: reinforcing bar or cast iron, it is also possible to wood
Head, the non-metallic rigid material such as plastics.To stay the component set by steel plate and anchor rib in the structure, for attachment structure component or
The fixed-purpose of non-structural element.Such as do rear operation and fix the connector of (such as door, window, curtain wall, water pipe, gas pipe etc.).
Traditional steel plate built-in fitting is with concreting process, and steel plate built-in fitting is sealed on above concrete, and concrete is from template
Side pours.
Inventor finds under study for action, at least has a disadvantage in that in traditional Mass Concrete
In traditional Mass Concrete, the space that concrete surrounds to template from the side treating casting area
Inside carrying out pouring of concrete, concreting is uneven, causes the pouring quality of entirety to decline, and structural strength is the highest, uses
Safety is low.
Utility model content
The purpose of this utility model is to provide a kind of T font rake, to improve the mass concrete construction of prior art
During concreting uneven, cause entirety pouring quality decline, structural strength is the highest, low the asking of safety in utilization
Topic.
Embodiment of the present utility model is achieved in that
Based on above-mentioned purpose, this utility model provides a kind of T font rake, fixes bar including pushing plate, support bar, auxiliary
And handle, wherein:
Described support bar is perpendicular to the plate face of described pushing plate, and one end of described support bar is fixedly connected on described propelling movement
Plate, the other end of described support bar is fixing connects described handle, and described auxiliary is fixed bar and is positioned at described propelling movement with described support bar
The same side of plate, described auxiliary fixes one end of bar and is fixedly connected on described pushing plate, and its other end is fixedly connected on described
Strut, described auxiliary is fixed bar and is obliquely installed with described support bar；The multiple power of unloading hole it is provided with, often on the plate face of described pushing plate
Unload power hole described in individual and run through described pushing plate along the direction being perpendicular to described plate face, multiple described in unload power hole and be evenly distributed on described
On the plate face of pushing plate.
In this utility model preferred embodiment, described pushing plate is rectangular slab, and described support bar is positioned at described rectangle
The center, plate face of plate.
In this utility model preferred embodiment, described pushing plate includes the first plate face and the second plate being oppositely arranged
Face, described first plate face is provided with mounting groove, and the bottom land of described mounting groove is provided with locating slot, the groove depth side of described locating slot
Parallel to the groove depth direction with described mounting groove, the end of described support bar is provided with installation portion and location division, described installation
Portion is coaxially disposed with described location division, and described location division is plugged in described locating slot, and described installation portion is plugged in described installation
In groove.
In this utility model preferred embodiment, described mounting groove is set to rectangular channel, being perpendicular to of described installation portion
The cross section of its length direction is the rectangle matched with described rectangular channel；Described locating slot is provided in round groove, described locating slot
Inside groove sidewall be provided with female thread, the outer peripheral face of described location division is provided with external screw thread, described female thread and described external screw thread
Coupling.
In this utility model preferred embodiment, described pushing plate welds with described support bar, and described auxiliary fixes bar
Weld with described pushing plate and described support bar respectively.
In this utility model preferred embodiment, described in unload power hole and include the first port and the second port, described one
Port and described second port are circular port, the diameter of described first port more than the diameter of described second port, and described in unload
The internal diameter in power hole is tapered towards the direction of described second port by described first port along its axis direction, described first port position
On the plate face connecting described support bar of described pushing plate.
In this utility model preferred embodiment, described pushing plate is set to rectangular slab, a length of described pushing plate
Being provided with multiple breach on side, multiple breach are spaced setting along the length direction of described pushing plate.
In this utility model preferred embodiment, described breach is set to rectangular channel, and the edge, two ends of described rectangular channel
Its length direction extends respectively on two plate faces of described pushing plate.
In this utility model preferred embodiment, described handle is set to shaft-like, and described handle is perpendicular to described support
Bar is arranged.
In this utility model preferred embodiment, described T font rake also includes that cushion collar, described cushion collar are set in institute
State outside handle.
This utility model embodiment provides the benefit that:
In sum, this utility model embodiment provides a kind of T font rake, and it is simple and reasonable, processing and manufacturing side
Just, low cost of manufacture, meanwhile, during carrying out casting of concrete in mass, utilize the concrete that T font rake can will be piled up
Being pushed to position to be poured, pouring of concrete is more uniform, it is simple to the condensation of concrete and vibrating, and improves and pours matter
Amount.Specific as follows:
The T font rake that the present embodiment provides, includes support bar, pushing plate, auxiliary fix bar and handle, and pushing plate is
Main working component, pushes away concrete towards position to be poured from concrete porch or by the concrete of accumulation
Send, it is ensured that concrete is evenly distributed in whole area of space to be poured.During pushing plate uses, utilize support bar control
Its distance pushed, i.e. one end of support bar are fixedly connected on pushing plate, and support bar is perpendicular to the plate face of pushing plate, push mixed
Solidifying soil is in hgher efficiency, meanwhile, one end away from pushing plate of support bar is provided with handle, during operative, can hold handle
Hands, it is simple to force, is placed in pushing plate in concrete, carries out pushing towards position to be poured, convenient to operation.Push away
After delivering to correct position, pushing plate can be driven to rotate with operating handle rotary supporting rod, had both been easy to being uniformly distributed of concrete,
Inside concrete is difficult to gap and hollowing occur, improves the quality poured, and also allows for taking out pushing plate.Move at pushing plate
During, pushing plate is by the resistance of concrete, in order to ensure that the position between stress effect lower support bar and pushing plate is closed
System is not susceptible to change, and is i.e. hardly damaged rake, is provided with the fixing bar of auxiliary, pushes at pushing plate between support bar and pushing plate
During, the fixing bar of auxiliary can bear certain extruding force, and the fixing bar of auxiliary, support bar and the triangle knot of pushing plate
Structure, sound construction, it is unlikely to deform, safe to use, the cycle of replacing is long, saves manufacturing cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, will use required in embodiment below
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiment of the present utility model, the most should be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 is the structure chart of the T font rake of this utility model embodiment；
Fig. 2 is the structure chart of the pushing plate of the T font rake of this utility model embodiment；
Fig. 3 is the structure chart of the support bar of the T font rake of this utility model embodiment.
In figure:
Pushing plate 100, unloads power hole 110, mounting groove 120, locating slot 130, breach 140,
Support bar 200, installation portion 210, location division 220,
The fixing bar 300 of auxiliary,
Handle 400,
Cushion collar 500.
Detailed description of the invention
The economic fast development of China Today, in engineering construction, mass concrete construction generally exists, industrial building
In Factory Building, mass concrete is widely used in equipment Foundations.The large volume having steel plate built-in fitting to bind in industrial premises is mixed
Following problem usually can be met: under the installation inconvenience of built-in fitting, built-in fitting, concrete is difficult to vibrate and leads during solidifying soil construction
Cause hollowing and temperature cracks control of mass concrete etc..Wherein, built-in fitting (prefabricated embedded part) is exactly installation (burying) in advance
Component in concealed work.It is exactly the component and fitting disposed when structure pours, overlap joint during for building superstructure by laying bricks or stones, in order to
Installation in field engineering equipment Foundations is fixed.Traditional steel plate built-in fitting is with concreting process, and steel plate built-in fitting seals
Covering above concrete, concrete pours from the side of template.In traditional Mass Concrete, concrete
Carrying out pouring of concrete from the side treating casting area in the space that template surrounds, concreting is uneven, causes whole
The pouring quality of body declines, and structural strength is the highest, and safety in utilization is low.
In consideration of it, this utility model designer devises a kind of T font rake, simple and reasonable, convenient processing and manufacture,
During use, by operating handle, by pushing plate towards treating that casting area pushes concrete, it is possible to concrete is pushed
To region to be poured, it is ensured that the whole concrete treating casting area can be uniformly distributed, and work progress is simple and quick, work
Pouring quality is improve while making efficiency height.
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that retouched
The embodiment stated is a part of embodiment of this utility model rather than whole embodiments.Generally described in the accompanying drawing herein and
The assembly of this utility model embodiment illustrated can be arranged with various different configurations and design.
Therefore, below the detailed description of the embodiment of the present utility model provided in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in this utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of this utility model protection.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing
Individual accompanying drawing is defined, then need not it be defined further and explains in accompanying drawing subsequently.
In description of the present utility model, it should be noted that term " instruction such as " center ", " vertically ", " interior ", " outward "
Orientation or position relationship are based on orientation shown in the drawings or position relationship, or usually put when this utility model product uses
The orientation put or position relationship, be for only for ease of description this utility model and simplify description rather than instruction or hint indication
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
Novel restriction.Describe additionally, term " first ", " second " etc. are only used for distinguishing, and it is not intended that instruction or hint are relative
Importance.
Additionally, the terms such as term " vertically " are not offered as requiring parts abswolute level or pendency, but can be slightly tilted.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets
Put ", should be interpreted broadly " installation ", " being connected ", " connection ", connect for example, it may be fixing, it is also possible to be to removably connect,
Or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to pass through intermediary
It is indirectly connected to, can be the connection of two element internals.For the ordinary skill in the art, can manage with concrete condition
Solve above-mentioned term concrete meaning in this utility model.
It should be noted that in the case of not conflicting, the embodiment in this utility model and the feature in embodiment can
To be mutually combined.
Embodiment
Present embodiments providing a kind of T font rake, it is during casting of concrete in mass, it is possible to by concrete court
To treating that casting area pushes, it is ensured that whole treat casting area in can be uniformly distributed concrete, and then improve concrete
Pouring quality, the facility after having poured is more solid and reliable, safe to use.When casting of concrete in mass, treating
Casting area be provided above steel plate built-in fitting, during concreting, needed the complete of region below steel plate built-in fitting
Portion pours, and can only pour from the side of steel plate built-in fitting in actual casting process, now, easily occurs mixed in casting process
Solidifying soil is deposited in the side treating casting area, causes the opposite side of steel plate built-in fitting not have the concrete of q.s to pour,
Reduce pouring quality.Accordingly, it would be desirable to use T font rake.
Refer to Fig. 1, T font rake include the fixing bar 300 of pushing plate 100, support bar 200, auxiliary, handle 400 and delay
Rush set 500.
Referring to Fig. 2, pushing plate 100 is main working component, and pushing plate 100 contacts with concrete, is pushed away by concrete
Deliver to treat casting area.Pushing plate 100 is platy structure, simple and reasonable, it is simple to manufacture processing, low cost of manufacture.Preferably
Being set to, pushing plate 100 is set to rectangular plate-like, and pushing plate 100 includes the first plate face and the second plate face being oppositely arranged, actual
During operation, the length side of rectangular slab and plane-parallel can be carried out the propelling movement of concrete, it is also possible to vertically arranged, i.e.
By parallel with vertical plane for length side, push, flexible to operation, and the pushing plate 100 of rectangular slab is in use,
Uniform force, is hardly damaged.Add man-hour actual, pushing plate 100 is provided with and unloads power hole 110, breach 140 and mounting groove
120。
Unloading power hole 110 and be provided with multiple, when pushing, concrete can overflow in unloading power hole 110, both ensure that
Resistance during propelling movement is not too large, it is simple to pushes, in turn ensure that concrete can be uniformly distributed in and treat casting area, will not
Owing to substantial amounts of concrete directly is pushed to cause concrete skewness away from the side pouring mouth by pushing plate 100,
More convenient to operate.Further, it is preferably arranged to, unloads power hole 110 and be set to round table-like, unload power hole 110 and include the first port
And second port, Single port and the second port are circular port, and the diameter of the first port is more than the diameter of the second port, and unloads power
The internal diameter in hole 110 is tapered towards the direction of the second port by the first port along its axis direction, and the first port is positioned at described propelling movement
On the plate face connecting support bar 200 of plate 100, concrete is in time unloading spilling in power hole 110, and hole of pulling together has guide effect, mixed
The flowing of solidifying soil is more orderly, serves the effect of mix concrete, and pouring of concrete is more uniform.For the ease of unloading power hole
The processing of 110, the plate face that the axis unloading power hole 110 is perpendicular to pushing plate 100 is arranged.
Breach 140 plays the effect of the power of unloading and mix concrete equally, is preferably arranged to, and breach 140 is set to rectangular channel
Shape, the two ends of rectangular channel extend respectively on two plate faces of pushing plate 100 along its length, and breach 140 is provided with multiple,
Multiple breach 140 are positioned on the length side of pushing plate 100, and the depth direction of each breach 140 is perpendicular to this length side, many
Individual breach 140 is spaced setting along the length direction of pushing plate 100.When pushing plate 100 carries out concrete propelling movement, concrete can
From breach 140 and spilling, the resistance being subject to during reducing propelling movement in unloading power hole 110, push convenient reliably.
Mounting groove 120 is arranged on pushing plate 100, and mounting groove 120 is used for installing support bar 200, therefore, mounting groove 120
It is positioned on the same plate face of pushing plate 100 with support bar 200.Being preferably arranged to, mounting groove 120 is positioned at the plate face of pushing plate 100
Center, is i.e. positioned at two cornerwise crossover locations of pushing plate 100.Actual adding man-hour, mounting groove 120 is processed as rectangle
Groove, has position-limiting action, and support bar 200 is difficult to rotate.Further, the bottom land at mounting groove 120 arranges locating slot 120, fixed
The groove depth direction of groove 120, position be arranged in parallel with the groove depth direction of mounting groove 120, easy to process.Locating slot 120 and mounting groove 120
For installing support bar 200, the sound construction of support bar 200 is reliable.Machining internal thread on the inside groove sidewall of locating slot 120.
Support bar 200 is connected with pushing plate 100, transmits the force to pushing plate 100 by support bar 200, it is achieved that push
Plate 100 pushes the effect of concrete.One end of support bar 200 is connected with pushing plate 100, connecting with pushing plate 100 of support bar 200
The one end connect includes installation portion 210 and location division 220, and the cross section being perpendicular to its length direction of installation portion 210 is rectangle, fixed
The cross section being perpendicular to its length direction in position portion 220 is circle, and when support bar 200 is connected with pushing plate 100, support bar 200 is inserted
Be contained in mounting groove 120, i.e. location division 220 is positioned at locating slot 120, and installation portion 210 is positioned at mounting groove 120, installation portion 210
Square-section corresponding with mounting groove 120, support bar 200 use during be difficult to rotate, safe and reliable.Further,
At the outer peripheral face threading of location division 220, external screw thread mates with female thread, and the combination of support bar 200 and pushing plate 100 is more
Add firmly.Meanwhile, support bar 200 preferably employs to be welded and fixed with pushing plate 100 and is connected, and connected mode is simple and reliable, support bar
200 and pushing plate 100 by be spirally connected fixing after, during welding convenient reliably.
The fixing bar 300 of auxiliary plays the effect that auxiliary supports, and pushes in Concrete at pushing plate 100, pushing plate 100
Big with the resistance that the link position of support bar 200 is subject to, the situation of deformation easily occurs, therefore, at support bar 200 and pushing plate
Installing the fixing bar 300 of auxiliary between 100, one end of auxiliary fixing plate is connected with pushing plate 100, its other end and support bar 200
Connecting, be preferably arranged to, the fixing bar 300 of auxiliary and support bar 200 and the fixing bar 300 of auxiliary and pushing plate 100 use welding
Fixing.The fixing bar 300 of auxiliary, support bar 200 and pushing plate 100 constitute triangular structure, and structural strength is high, is hardly damaged.
The position that handle 400 exerts a force for workman, transmits the force to pushing plate 100 by operating handle 400, handle 400 with
One end away from pushing plate 100 of support bar 200 connects, and handle 400 is set to shaft-like, is vertically arranged with support bar 200, it is simple to
Manufacture and install, it is preferred to use be welded and fixed.Cushion collar 500 it is arranged with on handle 400, when workman holds handle 400, more easypro
Suitable, it is difficult to the user that frays.
The T font rake that the present embodiment provides, simple and reasonable, can push to treat pouring area by concrete in use
Territory, it is ensured that concrete is evenly distributed, pouring quality is high.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this
For the technical staff in field, this utility model can have various modifications and variations.All in spirit of the present utility model and principle
Within, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. a T font rake, it is characterised in that include that pushing plate, support bar, auxiliary fix bar and handle, wherein:
Described support bar is perpendicular to the plate face of described pushing plate, and one end of described support bar is fixedly connected on described pushing plate, institute
Stating the other end described handle of fixing connection of support bar, described auxiliary is fixed bar and is positioned at the same of described pushing plate with described support bar
Side, described auxiliary fixes one end of bar and is fixedly connected on described pushing plate, and its other end is fixedly connected on described support bar, institute
State the fixing bar of auxiliary to be obliquely installed with described support bar；The multiple power of unloading hole it is provided with on the plate face of described pushing plate, each described
Unload power hole and run through described pushing plate along the direction being perpendicular to described plate face, multiple described in unload power hole and be evenly distributed on described pushing plate
Plate face on.
T font the most according to claim 1 is harrowed, it is characterised in that described pushing plate is rectangular slab, and described support bar is positioned at
The center, plate face of described rectangular slab.
T font the most according to claim 2 is harrowed, it is characterised in that described pushing plate includes the first plate face being oppositely arranged
And the second plate face, described first plate face is provided with mounting groove, the bottom land of described mounting groove is provided with locating slot, described location
The groove depth direction of groove is parallel with the groove depth direction of described mounting groove, and the end of described support bar is provided with installation portion and location
Portion, described installation portion is coaxially disposed with described location division, and described location division is plugged in described locating slot, described installation portion plug-in mounting
In described mounting groove.
T font the most according to claim 3 is harrowed, it is characterised in that described mounting groove is set to rectangular channel, described installation portion
The cross section being perpendicular to its length direction be the rectangle matched with described rectangular channel；Described locating slot is provided in round groove, institute
The inside groove sidewall stating locating slot is provided with female thread, and the outer peripheral face of described location division is provided with external screw thread, described female thread and institute
State external screw thread coupling.
T font the most according to claim 1 is harrowed, it is characterised in that described pushing plate welds with described support bar, described auxiliary
Fixing bar is helped to weld with described pushing plate and described support bar respectively.
6. according to described in any one of claim 1-5 T font harrow, it is characterised in that described in unload power hole include the first port with
And second port, described Single port and described second port are circular port, and the diameter of described first port is more than described second end
Mouthful diameter, and described in unload the internal diameter in power hole along its axis direction by described first port towards described second port direction gradually
Contracting, described first port is positioned on the plate face connecting described support bar of described pushing plate.
T font the most according to claim 1 is harrowed, it is characterised in that described pushing plate is set to rectangular slab, described pushing plate
A length side on be provided with multiple breach, multiple breach along described pushing plate length direction be spaced arrange.
T font the most according to claim 7 is harrowed, it is characterised in that described breach is set to rectangular channel, and described rectangular channel
Two ends extend respectively to along its length on two plate faces of described pushing plate.
T font the most according to claim 1 is harrowed, it is characterised in that described handle is set to shaft-like, and described handle is perpendicular to
Described support bar is arranged.
T font the most according to claim 9 is harrowed, it is characterised in that described T font rake also includes cushion collar, described buffering
It is set in outside described handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620835358.0U CN205875750U (en) | 2016-08-03 | 2016-08-03 | T style of calligraphy harrow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620835358.0U CN205875750U (en) | 2016-08-03 | 2016-08-03 | T style of calligraphy harrow |
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| Publication Number | Publication Date |
|---|---|
| CN205875750U true CN205875750U (en) | 2017-01-11 |
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ID=57702108
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620835358.0U Active CN205875750U (en) | 2016-08-03 | 2016-08-03 | T style of calligraphy harrow |
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| Country | Link |
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| CN (1) | CN205875750U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592694A (en) * | 2022-02-28 | 2022-06-07 | 中冶南方城市建设工程技术有限公司 | Concrete wall light collecting rod piece and construction method |
-
2016
- 2016-08-03 CN CN201620835358.0U patent/CN205875750U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592694A (en) * | 2022-02-28 | 2022-06-07 | 中冶南方城市建设工程技术有限公司 | Concrete wall light collecting rod piece and construction method |
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| TR01 | Transfer of patent right |
Effective date of registration: 20181102 Address after: 563000 space and sunshine Tianrun building, Dalian Road, Huichuan District, Zunyi, Guizhou Patentee after: Guizhou Aerospace Construction Engineering Co., Ltd. Address before: 100071 No. 83 South Road, West Fourth Ring Road, Fengtai District, Beijing. Patentee before: China Aerospace Construction Group Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220104 Address after: 100080 No. 83, South West Fourth Ring Road, Fengtai District, Beijing Patentee after: China Aerospace Construction Group Co.,Ltd. Address before: 563000 space and sunshine Tianrun building, Dalian Road, Huichuan District, Zunyi, Guizhou Patentee before: GUIZHOU AEROSPACE CONSTRUCTION ENGINEERING Co.,Ltd. |
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| TR01 | Transfer of patent right |