CN207228449U - A kind of pre-stress floor - Google Patents
A kind of pre-stress floor Download PDFInfo
- Publication number
- CN207228449U CN207228449U CN201720745771.2U CN201720745771U CN207228449U CN 207228449 U CN207228449 U CN 207228449U CN 201720745771 U CN201720745771 U CN 201720745771U CN 207228449 U CN207228449 U CN 207228449U
- Authority
- CN
- China
- Prior art keywords
- floor slab
- connecting hole
- precast
- precast floor
- stress
- 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
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000005336 cracking Methods 0.000 claims description 11
- 239000002002 slurry Substances 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000011440 grout Substances 0.000 claims description 3
- 230000008961 swelling Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 10
- 230000011218 segmentation Effects 0.000 abstract description 10
- 238000009432 framing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 239000011083 cement mortar Substances 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000004826 seaming Methods 0.000 description 2
- 210000002435 tendon Anatomy 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model belongs to construction engineering technical field, more particularly to a kind of pre-stress floor, including more than two pieces precast floor slabs, precast floor slab closely splices, the splicing side of precast floor slab is equipped with operation notch, anchorage is equipped with operation notch, the splicing side of precast floor slab is equipped with the first connecting hole, the operation notch of adjacent precast floor slab is connected by first connecting hole, the splicing side of precast floor slab is connected by the first presstressed reinforcing steel, and the first presstressed reinforcing steel extend out in operation notch after passing through the first connecting hole and is anchored with the anchorage；The precast floor slab is equipped with the second connecting hole of perforation, and the second connecting hole of the precast floor slab being disposed adjacent is connected, and is equipped with the second presstressed reinforcing steel in the second connecting hole, is fixed the pre-stress floor integral tension by the second presstressed reinforcing steel.The dry type of attachment that the segmentation of the utility model precast floor slab is spliced using prestressing force, it is not necessary to set up full framing, reduce the influence to the duration and the occupancy of circulation material, improve construction efficiency.
Description
Technical field
The utility model belongs to construction engineering technical field, and in particular to a kind of pre-stress floor.
Background technology
Existing super-length prestressed large span floor structure construction, generally use cast-in-place method construction, specifically at floor bottom
Portion sets up full framing and is supported, and installation sets up template, lays regular reinforcement, sets up the deformed bar of soap-free emulsion polymeization, then pour
The concrete of floor, tensioning no-cohesive prestressed reinforcement.To alleviate temperature stress, while facilitate prestressing force pull end and fixing end
Anchoring, every fixed range set post-cast strip, pour slightly expanded concrete and carry out anchoring prestress anchorage, while limit floor and exist
Expansion in plane.
At present, the wound of specific segmentation connecting node in Overlong Concrete Structure is used for for being segmented precast prestressed floor
New and research is also less, using being welded to connect in seam, although with relatively low, low to the construction precision requirement advantage of cost,
It is that the Overlong Concrete Structure being welded to connect at plate stitch is weaker to the ability to bear of dynamic load, weld seam is easily in the effect of dynamic load
Lower generation fatigue rupture, can cause Overlong Concrete Structure not to be suitable for industrial premises etc. and have the building of obvious dynamic load, make
It is restricted with scope.
In conclusion therefore a kind of speed of application is fast, cost savings, well-set pre-stress floor there is an urgent need for developing.
Utility model content
The purpose of this utility model is to provide that a kind of speed of application is fast, cost savings, well-set pre-stress floor.
Above-mentioned purpose is to be achieved through the following technical solutions：A kind of precast floor slab more than pre-stress floor, including two pieces,
The precast floor slab closely splices, and the splicing side of the precast floor slab is equipped with operation notch, and anchorage is equipped with the operation notch,
The splicing side of the precast floor slab is equipped with the first connecting hole, and the operation notch of adjacent precast floor slab passes through first connecting hole
Connection, the splicing side of the precast floor slab are connected by the first presstressed reinforcing steel, and first presstressed reinforcing steel passes through the first connecting hole
After extend out to operation notch in and with the anchorage be anchored；The precast floor slab is equipped with the second connecting hole of perforation, is disposed adjacent
The second connecting hole of precast floor slab be connected, is equipped with the second presstressed reinforcing steel in second connecting hole, passes through the second prestressing force
Muscle fixes the pre-stress floor integral tension.
The pre-stress floor of the utility model is mainly used for super-length prestressed large span floor structure construction, pre- using segmentation
The mode of integral tension is molded after system, in work progress, first carries out the lifting of precast floor slab so that the prefabricated building of segmentation to be connected
Plate closely splices, operates that notch position is corresponding, and the first connecting hole is connected, and the second connecting hole is connected, and will state first and in advance should
Power muscle pass through the first connecting hole after using tension of prestressed tendon be installed on anchorage be anchored；Then the second presstressed reinforcing steel is passed through second
Connecting hole, makes it penetrate through whole pre-stress floor and completes stretch-draw anchor.
The dry type of attachment that the segmentation of the utility model precast floor slab is spliced using prestressing force, it is not necessary to full framing is set up,
The influence to the duration and the occupancy of circulation material are reduced, improves construction efficiency.The form that involvement connects substantially eliminates wet in seam crossing
Operation, tensioning operation notch is smaller, and the repairing of later stage joints cement mortar is convenient.The segmentation of plate stitch prestressing force connection is prefabricated, overall
Stretch-draw prestressing force floor can ensure that seaming position and pre-erection have identical deformation performance, when seam is opened under load action
Due to prestressed presence after splitting, after load eliminates, its self-reparing capability having ensures that pre-stress floor does not deform.
Further, it is perfused with grouting material in first connecting hole and the second connecting hole.
Further, the anchorage includes anchor plate and bolt-nut.In this way, the first presstressed reinforcing steel utilizes after passing through anchor plate
Bolt-nut is fixed.
Further, it is filled with slurry in the operation notch.So set, after the slurry in gathering hole solidifies, can
Play the role of fixed anchorage, directly eat bolt-nut extremely, avoiding service life, bolt-nut loosens long or under the influence of external force.
Further, it is added with swelling agent in the slurry.
Further, the precast floor slab is T-shaped floor, the T-shaped floor include top prefabricated board and lower part it is prefabricated
Beam, the prefabricated board and precast beam are integrally formed.
Further, the precast beam for the precast floor slab being disposed adjacent closely splices, and the splicing side of the precast beam is equipped with operation
Notch, the operation notch is interior to be equipped with anchorage, and the splicing side of the precast beam is equipped with the 3rd connecting hole, the spelling of the precast floor slab
Side is connect to connect by the 3rd presstressed reinforcing steel, the 3rd presstressed reinforcing steel pass through the 3rd connecting hole after extend out to operation notch in and in
The anchorage is anchored.
Further, the bottom stitching portion of the precast floor slab is equipped with groove, and cracking resistance part is equipped with the groove.So set
Put, avoid floor slab bottoms from producing slight crack because of floor unbalance stress.
Further, the cracking resistance part includes cracking resistance glass fiber reticular cloth and anticracking grout.Cracking resistance glass fiber reticular cloth has good
Alkali resistance, pliability and stretching resistance, there is preferable waterproof and anti-crack ability.
Further, the contact surface of the precast floor slab is embedded with elastic water-proof body.It is in the prefabrication process of floor, elasticity is anti-
Water body is embedded in its Mosaic face, and after the utility model completes assembled docking, the floor being disposed adjacent tightly squeezes water-proof elastomer
The Mosaic face of the two is pressed in, in this way, can prevent water from being leaked along the Mosaic face of floor.Certainly, multiple bullets can be embedded with its Mosaic face
Property waterproof body.It is preferred that groove can set with the contact surface of elastic water-proof body, elastic water-proof body side is embedded in floor Mosaic face,
Opposite side is squeezed into the groove of corresponding floor Mosaic face, so can both play waterproof effect, nor affects on the two contact surface
It is smooth, realize that close join connects.
Brief description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form the improper restriction to the utility model.
Fig. 1 is the structure diagram of the pre-stress floor involved by a kind of embodiment of the utility model；
Fig. 2 is the attachment structure schematic diagram of the precast floor slab involved by a kind of embodiment of the utility model；
Fig. 3 is that the precast beam seam prestressing force involved by a kind of embodiment of the utility model splices node schematic diagram.Figure
In：
1 precast floor slab 2 operation notch, 3 anchorage, 4 first presstressed reinforcing steel
5 second 7 precast beam of the 3rd presstressed reinforcing steel of presstressed reinforcing steel 6,8 anchor plate
9 bolt-nuts
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings, the description of this part be only it is exemplary and explanatory,
There should not be any restriction effect to the scope of protection of the utility model.In addition, those skilled in the art's retouching according to this document
State, respective combination can be carried out to the feature in embodiment in this document and in different embodiments.
The utility model embodiment is as follows, referring to Figures 1 and 2, prefabricated building more than a kind of pre-stress floor, including two pieces
Plate 1, the precast floor slab 1 closely splice, and the splicing side of the precast floor slab 1 is equipped with operation notch 2, described to operate in notch 2
Equipped with anchorage 3, the splicing side of the precast floor slab 1 is equipped with the first connecting hole, and the operation notch 2 of adjacent precast floor slab 1 passes through
The first connecting hole connection, the splicing side of the precast floor slab 1 are connected by the first presstressed reinforcing steel 4, first prestressing force
Muscle 4 extend out in operation notch 2 after passing through the first connecting hole and is anchored with the anchorage 3；The precast floor slab 1 is equipped with perforation
Second connecting hole, the second connecting hole of the precast floor slab 1 being disposed adjacent are connected, and second is equipped with second connecting hole and in advance should
Power muscle 5, is fixed the pre-stress floor integral tension by the second presstressed reinforcing steel 5.
The pre-stress floor of the utility model is mainly used for super-length prestressed large span floor structure construction, pre- using segmentation
The mode of integral tension is molded after system, in work progress, first carries out the lifting of precast floor slab 1 so that segmentation to be connected is prefabricated
Closely splicing, 2 position of operation notch are corresponding for floor 1, and the first connecting hole is connected, and the second connecting hole is connected, and will state first
Presstressed reinforcing steel 4 is installed on anchorage 3 using tension of prestressed tendon and is anchored after passing through the first connecting hole；Then by the second presstressed reinforcing steel 5
Through the second connecting hole, it is penetrated through whole pre-stress floor and complete stretch-draw anchor.
The dry type of attachment that the segmentation of the utility model precast floor slab 1 is spliced using prestressing force, it is not necessary to full framing is set up,
The influence to the duration and the occupancy of circulation material are reduced, improves construction efficiency.The form that involvement connects substantially eliminates wet in seam crossing
Operation, tensioning operation notch is smaller, and the repairing of later stage joints cement mortar is convenient.The segmentation of plate stitch prestressing force connection is prefabricated, overall
Stretch-draw prestressing force floor can ensure that seaming position and pre-erection have identical deformation performance, when seam is opened under load action
Due to prestressed presence after splitting, after load eliminates, its self-reparing capability having ensures that pre-stress floor does not deform.
On the basis of above-described embodiment, in another embodiment of the utility model, first connecting hole and the second connection
Grouting material is perfused with hole.
On the basis of above-described embodiment, in another embodiment of the utility model, such as Fig. 2, the anchorage 3 includes anchor plate
8 and bolt-nut 9.In this way, the first presstressed reinforcing steel 4 is fixed after passing through anchor plate 8 using bolt-nut 9.
On the basis of above-described embodiment, in another embodiment of the utility model, filled with slurry in the operation notch 2
Material.So set, after the slurry in gathering hole solidifies, fixed anchorage 3 can be played the role of, directly eat bolt-nut 9
Extremely, avoiding service life, bolt-nut 9 loosens long or under the influence of external force.
On the basis of above-described embodiment, in another embodiment of the utility model, swelling agent is added with the slurry.
On the basis of above-described embodiment, in another embodiment of the utility model, such as Fig. 1 and Fig. 3, the precast floor slab 1
For T-shaped floor, the T-shaped floor includes the prefabricated board on top and the precast beam 7 of lower part, the one of prefabricated board and precast beam 7
Shaping.
On the basis of above-described embodiment, in another embodiment of the utility model, such as Fig. 3, the precast floor slab 1 being disposed adjacent
Precast beam 7 closely splice, the splicing side of the precast beam 7 is equipped with operation notch 2, and anchorage 3 is equipped with the operation notch 2,
The splicing side of the precast beam 7 is equipped with the 3rd connecting hole, and the splicing side of the precast floor slab 1 is connected by the 3rd presstressed reinforcing steel 6,
3rd presstressed reinforcing steel 6 extend out in operation notch 2 after passing through the 3rd connecting hole and is anchored in the anchorage 3.
On the basis of above-described embodiment, in another embodiment of the utility model, the bottom stitching portion of the precast floor slab 1
Equipped with groove, cracking resistance part is equipped with the groove.So set, floor slab bottoms are avoided to produce slight crack because of floor unbalance stress.
On the basis of above-described embodiment, in another embodiment of the utility model, the cracking resistance part includes cracking resistance glass fiber net
Ge Bu and anticracking grout.Cracking resistance glass fiber reticular cloth has good alkali resistance, pliability and stretching resistance, has preferable waterproof
And anti-crack ability.
On the basis of above-described embodiment, in another embodiment of the utility model, the contact surface of the precast floor slab 1 is embedded with
Elastic water-proof body.In the prefabrication process of floor, elastic water-proof body is embedded in its Mosaic face, when the utility model completion is assembled right
After connecing, water-proof elastomer is tightly squeezed in the Mosaic face of the two by the floor being disposed adjacent, in this way, spelling of the water along floor can be prevented
Junction leaks.Certainly, multiple elastic water-proof bodies can be embedded with its Mosaic face.It is preferred that it can be set in the contact surface with elastic water-proof body
Groove, elastic water-proof body side insertion floor Mosaic face are put, opposite side is squeezed into the groove of corresponding floor Mosaic face, so
Both waterproof effect can be played, nor affects on the smooth of the two contact surface, realizes that close join connects.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
- A kind of 1. precast floor slab more than pre-stress floor, including two pieces, it is characterised in that the precast floor slab closely splices, The splicing side of the precast floor slab is equipped with operation notch, and anchorage, the splicing side of the precast floor slab are equipped with the operation notch Equipped with the first connecting hole, the operation notch of adjacent precast floor slab is connected by first connecting hole, the precast floor slab Splicing side is connected by the first presstressed reinforcing steel, and first presstressed reinforcing steel is extend out in operation notch simultaneously after passing through the first connecting hole It is anchored with the anchorage；The precast floor slab is equipped with the second connecting hole of perforation, the second connection of the precast floor slab being disposed adjacent Hole is connected, and the second presstressed reinforcing steel is equipped with second connecting hole, by the second presstressed reinforcing steel that the pre-stress floor is whole Body tensioning is fixed.
- 2. pre-stress floor according to claim 1, it is characterised in that filled in first connecting hole and the second connecting hole It is marked with grouting material.
- 3. pre-stress floor according to claim 1, it is characterised in that the anchorage includes anchor plate and bolt-nut.
- 4. pre-stress floor according to claim 3, it is characterised in that be filled with slurry in the operation notch.
- 5. pre-stress floor according to claim 4, it is characterised in that be added with swelling agent in the slurry.
- 6. according to the pre-stress floor described in Claims 1 to 5 any one, it is characterised in that the precast floor slab is T-shaped building Plate, the T-shaped floor include the prefabricated board on top and the precast beam of lower part, and the prefabricated board and precast beam are integrally formed.
- 7. pre-stress floor according to claim 6, it is characterised in that the precast beam for the precast floor slab being disposed adjacent is close Splicing, the splicing side of the precast beam are equipped with operation notch, anchorage, the splicing side of the precast beam are equipped with the operation notch Equipped with the 3rd connecting hole, the splicing side of the precast floor slab is connected by the 3rd presstressed reinforcing steel, and the 3rd presstressed reinforcing steel passes through It extend out to after 3rd connecting hole in operation notch and is anchored in the anchorage.
- 8. pre-stress floor according to claim 6, it is characterised in that the bottom stitching portion of the precast floor slab is equipped with recessed Groove, is equipped with cracking resistance part in the groove.
- 9. pre-stress floor according to claim 8, it is characterised in that the cracking resistance part include cracking resistance glass fiber reticular cloth and Anticracking grout.
- 10. pre-stress floor according to claim 6, it is characterised in that the contact surface of the precast floor slab is embedded with elasticity Waterproof body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720745771.2U CN207228449U (en) | 2017-06-23 | 2017-06-23 | A kind of pre-stress floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720745771.2U CN207228449U (en) | 2017-06-23 | 2017-06-23 | A kind of pre-stress floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207228449U true CN207228449U (en) | 2018-04-13 |
Family
ID=61853090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720745771.2U Expired - Fee Related CN207228449U (en) | 2017-06-23 | 2017-06-23 | A kind of pre-stress floor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207228449U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661190A (en) * | 2018-05-24 | 2018-10-16 | 西南交通大学 | A kind of prefabricated harden structure of truss node plate type |
| CN109083251A (en) * | 2018-07-26 | 2018-12-25 | 广州坚磊建设有限公司 | The no mould construction cast-in-place drainage ditch structure of top plate |
| CN109162398A (en) * | 2018-09-26 | 2019-01-08 | 中建科技（深汕特别合作区）有限公司 | Two dimension prestressing rib floor component and two dimension prestressing rib floor |
| CN110670723A (en) * | 2019-10-15 | 2020-01-10 | 广州瀚阳工程咨询有限公司 | Large-span prestressed concrete assembled building frame system |
| CN110670721A (en) * | 2019-10-15 | 2020-01-10 | 广州瀚阳工程咨询有限公司 | Implementation method of large-span prestressed concrete assembly type building frame structure |
| CN111894149A (en) * | 2020-06-28 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Assembly type wallboard prestress tensioning splicing piece anchored by double-groove plate |
-
2017
- 2017-06-23 CN CN201720745771.2U patent/CN207228449U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661190A (en) * | 2018-05-24 | 2018-10-16 | 西南交通大学 | A kind of prefabricated harden structure of truss node plate type |
| CN108661190B (en) * | 2018-05-24 | 2019-10-18 | 西南交通大学 | A kind of truss node plate type prefabricated board structure |
| CN109083251A (en) * | 2018-07-26 | 2018-12-25 | 广州坚磊建设有限公司 | The no mould construction cast-in-place drainage ditch structure of top plate |
| CN109162398A (en) * | 2018-09-26 | 2019-01-08 | 中建科技（深汕特别合作区）有限公司 | Two dimension prestressing rib floor component and two dimension prestressing rib floor |
| CN110670723A (en) * | 2019-10-15 | 2020-01-10 | 广州瀚阳工程咨询有限公司 | Large-span prestressed concrete assembled building frame system |
| CN110670721A (en) * | 2019-10-15 | 2020-01-10 | 广州瀚阳工程咨询有限公司 | Implementation method of large-span prestressed concrete assembly type building frame structure |
| CN111894149A (en) * | 2020-06-28 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Assembly type wallboard prestress tensioning splicing piece anchored by double-groove plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207228449U (en) | A kind of pre-stress floor | |
| CN203113580U (en) | Concrete laminated slab with steel bar trusses | |
| CN207194146U (en) | Prestressing force assembly concrete frame joint attachment structure | |
| CN104594523A (en) | Prestress splicing method for fabricated shear wall | |
| CN208618627U (en) | A kind of precast floor slab and its connection structure | |
| CN105862538A (en) | Assembling type inclined slow-adhesion pre-stressed concrete road surface structure | |
| CN109653350B (en) | Mixed reinforcement embedded low-prestress dry beam column node and method | |
| CN113653235A (en) | Laminated slab, connecting structure of laminated slab and combination beam and construction method | |
| CN204311614U (en) | The fabricated shear wall of prestressing force splicing | |
| CN115045181A (en) | Socket joint type node connection method and structure for prefabricated pier column and bearing platform in middle and high intensity region | |
| CN112627391A (en) | Construction process of prefabricated double-steel-plate-concrete combined shear wall | |
| CN109518857B (en) | Bidirectional laminated slab side splicing joint connecting structure and laminated slab construction method | |
| CN110644662A (en) | Prefabricated flat slab composite slab based on stress and splitting method thereof | |
| CN111455856B (en) | Construction method for applying prestress on bridge deck in hogging moment area of steel-concrete composite bridge | |
| CN112921789A (en) | Structure structure of self-resetting socket-and-spigot type ECC (error correction code) mixed bridge pier and splicing method thereof | |
| CN107152107B (en) | Precast concrete wall panel class component wirerope detour splicing construction and method | |
| CN214831925U (en) | ECC material-based bridge wet joint structure with template | |
| CN206681262U (en) | A kind of prefabricated Concrete-Filled Square Steel Tube coupling beam of multilayer | |
| CN205444565U (en) | Wallboard connected node | |
| CN112695800B (en) | Assembled integral type underground structural steel-concrete combined connecting structure and construction method | |
| CN112095878B (en) | Anti-leakage high-strength prefabricated floor slab | |
| CN212836086U (en) | Assembled composite wall based on H shaped steel | |
| CN211714180U (en) | Assembled concrete frame structure | |
| CN210887572U (en) | Mixed reinforcement embedded low-prestress dry beam-column joint | |
| CN210421403U (en) | Semi-dry type connecting joint of frame beam and frame column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: China Civil Architecture Friends Technology (Jiaozhou) Co.,Ltd. Assignor: Zhongmin Zhuyou Technology Investment Co.,Ltd. Contract record no.: 2018430000023 Denomination of utility model: Prestressed floor slab Granted publication date: 20180413 License type: Common License Record date: 20190102 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanning Zhongmin zhuyou Intelligent Manufacturing Technology Co.,Ltd. Assignor: Zhongmin Zhuyou Technology Investment Co.,Ltd. Contract record no.: X2019430000004 Denomination of utility model: Prestressed floor slab Granted publication date: 20180413 License type: Common License Record date: 20191105 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xiangxi Zhongmin zhuyou Technology Co.,Ltd. Assignor: Zhongmin Zhuyou Technology Investment Co.,Ltd. Contract record no.: X2020430000002 Denomination of utility model: Prestressed floor slab Granted publication date: 20180413 License type: Common License Record date: 20200305 |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 5 / F, office building 2, Zhongmin zhuyou Co., Ltd., No. 10, Zhongshi Road, shaping street, Kaifu District, Changsha City, Hunan Province, 410000 Patentee after: Zhuyou Zhizao Technology Investment Co.,Ltd. Address before: 410205 comprehensive building in Hunan province Changsha Kaifu District, No. 30 Xingang Road, Changsha Jinxia bonded logistics center room 3005 Patentee before: Zhongmin Zhuyou Technology Investment Co.,Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nantong Zhongmin zhuyou Zhizao Technology Co.,Ltd. Assignor: Zhuyou Zhizao Technology Investment Co.,Ltd. Contract record no.: X2020980007488 Denomination of utility model: A kind of prestressed floor Granted publication date: 20180413 License type: Common License Record date: 20201105 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hunan Yuanfeng Construction Engineering Co.,Ltd. Assignor: Zhuyou Zhizao Technology Investment Co.,Ltd. Contract record no.: X2021980000884 Denomination of utility model: A kind of prestressed floor Granted publication date: 20180413 License type: Common License Record date: 20210203 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hunan Hailong Construction Engineering Co.,Ltd. Assignor: Zhuyou Zhizao Technology Investment Co.,Ltd. Contract record no.: X2021980001039 Denomination of utility model: A kind of prestressed floor Granted publication date: 20180413 License type: Common License Record date: 20210207 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Henan YingYuan Construction Service Co.,Ltd. Assignor: Zhuyou Zhizao Technology Investment Co.,Ltd. Contract record no.: X2021980001160 Denomination of utility model: A kind of prestressed floor Granted publication date: 20180413 License type: Common License Record date: 20210218 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Henan guochi Construction Service Co.,Ltd. Assignor: Zhuyou Zhizao Technology Investment Co.,Ltd. Contract record no.: X2021980001282 Denomination of utility model: A kind of prestressed floor Granted publication date: 20180413 License type: Common License Record date: 20210225 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Linzhou Hongen Construction Service Co.,Ltd. Assignor: Zhuyou Zhizao Technology Investment Co.,Ltd. Contract record no.: X2021980001340 Denomination of utility model: A kind of prestressed floor Granted publication date: 20180413 License type: Common License Record date: 20210302 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Henan fengque Construction Engineering Co.,Ltd. Assignor: Zhuyou Zhizao Technology Investment Co.,Ltd. Contract record no.: X2021980010621 Denomination of utility model: Prestressed floor slab Granted publication date: 20180413 License type: Common License Record date: 20211019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |