CN205591432U - Enhancement mode prestressing tendons that slowly bonds - Google Patents
Enhancement mode prestressing tendons that slowly bonds Download PDFInfo
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- CN205591432U CN205591432U CN201620066099.XU CN201620066099U CN205591432U CN 205591432 U CN205591432 U CN 205591432U CN 201620066099 U CN201620066099 U CN 201620066099U CN 205591432 U CN205591432 U CN 205591432U
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- enhancement mode
- prestressed tendon
- bonding prestressed
- delayed bonding
- rib
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Abstract
The utility model provides an enhancement mode prestressing tendons that slowly bonds, it includes prestress wire, delayed coagulation adhesive phase and cladding the outsourcing sheath delayed coagulation adhesive phase outside of coating outside the prestress wire, is the diameter of prestress wire 15.2 28.6mm, form by 7 diameter steel wires systems of twisting with the fingers the same or 19 diameter differences, enhancement mode prestressing tendons that slowly bonds's uniform distribution have by delayed coagulation adhesive phase and outsourcing sheath through the common cross rib that forms of suppression with indulge the rib. The utility model provides an enhancement mode prestressing tendons that slowly bonds more strengthens effect, lasting with the interlock effect of building in of concrete, and antifatigue cyclic reverse loading performance is more superior, can be applied to municipal public road bridge roof beam, indisputable road bridge roof beam with it.
Description
Technical field
This utility model relates to a kind of enhancement mode delayed bonding prestressed tendon, specifically refer to a kind of for municipal road bridge,
In railroad bridge, can have the potent enhancement mode delayed bonding prestressed tendon being engaged wedge action with concrete.
Background technology
Tradition prestressing technique is divided into bonded prestress technology and Non-cohesive Prestressing Force Technology, and retarded adhesive prestressed skill
Art is a new construction technology of building field development in recent years, and its core is by prestress wire, slow setting binding agent
Delayed bonding prestressed tendon is prepared through modern production process with plastics outer coated sheath.When engineering construction, slow setting bonds
Agent has specific mobility, and therefore, prestress wire can slide in adhesive phase, it is ensured that the product of stress
Life and transmission effect；After engineering construction completes, binding agent gradually solidifies, and prestress wire and outer coated sheath is glued
Knot, and between overall delayed bonding prestressed tendon and concrete, also reach the effect of " having bonding ".Thus, slow cohesion is pre-
Material properties that stress rib is special and structural form, it is achieved that " soap-free emulsion polymeization " state during construction and " have viscous in using
Knot " state, thus make it have the superior function of easy construction and reasonable stress.
Currently, the structural form of domestic delayed bonding prestressed tendon product is varied, and existing outer coated sheath is ganoid
Delayed bonding prestressed tendon, also having outer coated sheath surface is the shapes such as Bamboo-shaped, helical form, crescent shape, ring-type, corrugated
The delayed bonding prestressed tendon of shape.And by bond-anchorage test and the checking of fatigue load test, current slow cohesion is pre-
Bond effect between stress rib and concrete is better than unbonded prestressing tendon but far below bonded prestressed tendon, so
Can be applied in the large-span prestressed concrete beam slab of part industry and civil buildings, but in municipal road
This kind of dynamic load born of bridge, railroad bridge is relatively big, and needs in the engineering field of cycle Fatigue Load repeatedly,
Then cannot apply.
Thus, make the bond effect having between delayed bonding prestressed tendon and concrete as bonded prestressed tendon, enter
And realize its field of basing on practicality in municipal road bridge, railroad bridge and need badly and solve the technical problem that.
Utility model content
The purpose of this utility model is to provide a kind of enhancement mode delayed bonding prestressed tendon, for municipal road bridge, ferrum
In road and bridge beam, solve the delayed bonding prestressed tendon of prior art under bigger dynamic load, cycle Fatigue Load repeatedly
And the problem affecting safety of structure.
For reaching above-mentioned purpose, this utility model provides a kind of enhancement mode delayed bonding prestressed tendon, and it includes prestress steel
Twisted wire, the slow setting adhesive phase being coated in outside prestress wire and the outsourcing being coated on outside slow setting adhesive phase are protected
Set, wherein,
A diameter of 15.2-28.6mm of described prestress wire, by 7, diameter is identical or 19 diameters are different
Steel wire twisting forms；
The surface of described enhancement mode delayed bonding prestressed tendon is evenly distributed with by slow setting adhesive phase and outer coated sheath through pressure
Make the cross rib and longitudinal rib being collectively forming.
According to enhancement mode delayed bonding prestressed tendon described in the utility model, it is preferable that described cross rib concave-convex surface, edge
Enhancement mode delayed bonding prestressed tendon circumferencial direction is distributed.
According to enhancement mode delayed bonding prestressed tendon described in the utility model, it is preferable that the width of described cross rib is 5-10
Mm, the rib spacing of cross rib is 10-15mm, and the lower limit of cross rib height is 1.2-1.8mm.
According to enhancement mode delayed bonding prestressed tendon described in the utility model, specifically, described cross rib height is a variate,
They are different because of the difference of prestress steel twist linear diameter, and increase with the increase of prestress steel twist linear diameter.
According to enhancement mode delayed bonding prestressed tendon described in the utility model, it is preferable that described longitudinal rib is two, in arc
Shape, is distributed along enhancement mode delayed bonding prestressed tendon length direction.
According to enhancement mode delayed bonding prestressed tendon described in the utility model, it is preferable that the internal diameter of described longitudinal rib is
1.5-2.0mm。
According to enhancement mode delayed bonding prestressed tendon described in the utility model, it is preferable that described slow setting adhesive phase is recessed
The thickness in portion is 0.2-0.6mm.
According to enhancement mode delayed bonding prestressed tendon described in the utility model, it is preferable that the thickness of described outer coated sheath is
1.0-1.5mm.Described outer coated sheath is made up of prior art material, and this material has higher intensity and toughness；?
In this utility model specific embodiment.Described outer coated sheath is mix polyethylene plastic grain extrusion molding.
According to enhancement mode delayed bonding prestressed tendon described in the utility model, it is preferable that the material of described slow setting adhesive phase
Matter is that cure cycle is at the 6-24 epoxyn of individual month.Described epoxyn is prior art material.
According to a specific embodiments of the present utility model, in enhancement mode delayed bonding prestressed tendon of the present utility model, institute
Stating prestress wire is to be formed by the steel wire twisting that 7 diameters are identical, the arrangement of the steel wire that described 7 diameters are identical
Mode is: center is 1 steel wire, and outer layer is 6 steel wires.
In a more particular embodiment, described prestress wire is to be formed by the steel wire twisting that 7 diameters are identical
The prestress wire of a diameter of 15.2 millimeters, the arrangement mode of the steel wire that described 7 diameters are identical is: center
Being the steel wire of 1 diameter 5mm, outer layer is the steel wire of 6 diameter 5mm.
In another more particular embodiment, described prestress wire be the steel wire twisting identical by 7 diameters and
The prestress wire of a diameter of 17.8 millimeters become, the arrangement mode of the steel wire that described 7 diameters are identical is: in
The heart is the steel wire of 1 diameter 6mm, and outer layer is the steel wire of 6 diameter 6mm.
In another more particular embodiment, described prestress wire be the steel wire twisting identical by 7 diameters and
The prestress wire of a diameter of 18.9 millimeters become, the arrangement mode of the steel wire that described 7 diameters are identical is: in
The heart is the steel wire of 1 diameter 6.6mm, and outer layer is the steel wire of 6 diameter 6.6mm.
In another more particular embodiment, described prestress wire be the steel wire twisting identical by 7 diameters and
The prestress wire of a diameter of 21.6 millimeters become, the arrangement mode of the steel wire that described 7 diameters are identical is: in
The heart is the steel wire of 1 diameter 7mm, and outer layer is the steel wire of 6 diameter 7mm.
According to another specific embodiments of the present utility model, in enhancement mode delayed bonding prestressed tendon of the present utility model,
Described prestress wire is to be formed by the steel wire twisting that 19 diameters are different, the steel wire that described 19 diameters are different
Arrangement mode is:
Center is 1 steel wire, and intermediate layer is 9 steel wires, and outer layer is 9 steel wires, wherein, and wire of intermediate layer straight
Footpath is less than cover wire, and the diameter of cover wire is less than core wire；Or,
Center is 1 steel wire, and intermediate layer is 6 steel wires, and outer layer is that the steel wire of the two kinds of different-diameters being intervally arranged is each
6, wherein, core wire is identical with wire of intermediate layer diameter, and in cover wire, 6 steel wire diameter are more than central steel
Silk, 6 steel wire diameter are less than core wire.
In a more particular embodiment, described prestress wire be the steel wire twisting different by 19 diameters and
The prestress wire of a diameter of 21.8 millimeters become, the arrangement mode of the steel wire that described 19 diameters are different is: in
The steel wire of 1 diameter 6mm of the heart, the steel wire of the 9 diameter 4mm in intermediate layer, the steel wire of 9 diameter 5mm of outer layer.
In another more particular embodiment, described prestress wire is the steel wire twisting different by 19 diameters
The prestress wire of a diameter of 28.6 millimeters, the arrangement mode of the steel wire that described 19 diameters are different is:
The steel wire of the 1 diameter 6mm in center, the steel wire of the 6 diameter 6mm in intermediate layer, outer layer is intervally arranged diameter 5mm
With the steel wire of diameter 7mm each 6.
According to enhancement mode delayed bonding prestressed tendon described in the utility model, it is preferable that described steel wire is cold rolling wire.
According to enhancement mode delayed bonding prestressed tendon described in the utility model, specifically, retarded adhesive prestressed in enhancement mode
It is ordinary skill in the art means that the surface compacting of muscle forms the technology of cross rib and longitudinal rib.
The rip cutting schematic diagram of enhancement mode delayed bonding prestressed tendon provided by the utility model as it is shown in figure 5, wherein, a
For slow setting adhesive phase at the thickness of recess, d is the width of cross rib, and h is that the rib of cross rib is high, and l is the rib spacing of cross rib.
Enhancement mode delayed bonding prestressed tendon of the present utility model, it passes through slow setting binding agent by prestress wire and outsourcing
Sheath is bonded to one, and is collectively forming cross rib and longitudinal rib by slow setting adhesive phase with outer coated sheath is repressed, this structure
Form compared to simple outer coated sheath indentation, more can realize it and form potent, the lasting build-in that is engaged with concrete and make
With.Reason is: the cohesive force between the outer coated sheath that slow setting binding agent and inside smooth is poor, when retarded adhesive prestressed
When muscle bears bigger load for a long time, it may appear that prestress wire produces the shape sliding even to deviate from outer coated sheath
Condition, and then great security incident occurs.So, delayed bonding prestressed tendon is engaged wedge action with the overall of concrete
It is the key of retarded adhesive prestressed technology, the structural form that must strictly control delayed bonding prestressed tendon for this and structure chi
Very little can realize retarded adhesive prestressed technology.
Enhancement mode delayed bonding prestressed tendon of the present utility model has the longitudinal rib of arcuation, and this structure effective guarantee is in stretch-draw
During construction prestress wire in outer coated sheath slidably.This know-why is: during stretching construction, is opening
Under the effect of pulling force, the longitudinal rib of arcuation provides space to the slip of prestress wire.Pre-compared to conventional slow cohesion
Stress rib, fully relies on the rheological behavior of slow setting binding agent non-Newtonian fluid to ensure slip, structure of the present utility model
Form can substantially reduce the consumption of slow setting binding agent, and then the cost of reduction delayed bonding prestressed tendon, reduces integrated engineering
Cost.
Enhancement mode delayed bonding prestressed tendon of the present utility model and concrete to be engaged wedge action more potent, lasting,
Resisting fatigue cyclic reverse loading performance is the most superior, can be applied to municipal road bridge, railroad bridge.
Advantageous Effects of the present utility model:
1, enhancement mode delayed bonding prestressed tendon of the present utility model has and is collectively forming with outer coated sheath by slow setting binding agent
Cross rib and longitudinal rib, between its with concrete to be engaged wedge action more potent, lasting.
2, the arcuation longitudinal system that this utility model enhancement mode delayed bonding prestressed tendon is had can be with effective guarantee engineering
Technology requirement during construction, can significantly reduce again material cost simultaneously.
3, enhancement mode delayed bonding prestressed tendon of the present utility model can meet the resisting fatigue course under cyclic loading of road and bridge
Energy index request, has ensured its application in municipal road bridge, railroad bridge.
4, enhancement mode delayed bonding prestressed tendon of the present utility model has more fully demonstrated the excellent of retarded adhesive prestressed technology
Get over, and widened the application of retarded adhesive prestressed technology.
5, enhancement mode delayed bonding prestressed tendon of the present utility model, not only has significant technical performance advantage, and
Also there are bigger economic advantages.
Accompanying drawing explanation
The section knot of the enhancement mode delayed bonding prestressed tendon that Fig. 1 provides for this utility model embodiment 1 and embodiment 4-6
Structure schematic diagram；
The cross-sectional view of the enhancement mode delayed bonding prestressed tendon that Fig. 2 provides for this utility model embodiment 2；
The cross-sectional view of the enhancement mode delayed bonding prestressed tendon that Fig. 3 provides for this utility model embodiment 3；
The perspective view of the enhancement mode delayed bonding prestressed tendon that Fig. 4 provides for this utility model embodiment 1；
The rip cutting schematic diagram of the enhancement mode delayed bonding prestressed tendon that Fig. 5 provides for this utility model.
Main Reference label declaration:
1, prestress wire；2, slow setting adhesive phase；3, outer coated sheath；
A, slow setting adhesive phase are at the thickness of recess；D, the width of cross rib；H, the rib height of cross rib；L, the rib of cross rib
Spacing.
Detailed description of the invention
Having of implementation process of the present utility model and generation is described in detail below by way of specific embodiment and Figure of description
Benefit effect, it is intended to help reader to be more fully understood that essence of the present utility model and feature, can implement not as to this case
The restriction of scope.
Embodiment 1
Present embodiments provide a kind of enhancement mode delayed bonding prestressed tendon, wherein,
As shown in Figure 1 and Figure 4, the enhancement mode delayed bonding prestressed tendon of the present embodiment, comprising: prestress wire
1, the slow setting adhesive phase 2 being coated in outside prestress wire, and it is coated on the outsourcing outside slow setting adhesive phase 2
Sheath 3, slow setting adhesive phase 2 and outer coated sheath 3 are collectively forming the longitudinal rib (two of the most concavo-convex cross rib and arcuation
Bar)；
Prestress wire 1 is formed by steel wire (1, center, the outer layer 6) twisting of seven Φ 5mm, diameter
It it is 15.2 millimeters.
The material of slow setting adhesive phase 2 is cure cycle at the epoxyn of 24 months, and it is in the thickness of recess
Degree is 0.2mm.
Outer coated sheath 3 is mix polyethylene plastic grain extrusion molding, and its thickness is 1.0mm.
Slow setting adhesive phase 2 and outer coated sheath 3 are collectively forming in uniform concavo-convex cross rib and longitudinal rib, and the width of cross rib is
5 millimeters, the rib height of cross rib be 1.2 millimeters, the rib spacing of cross rib be 10 millimeters, longitudinal rib internal diameter is 1.5 millimeters.
The material of described epoxyn and outer coated sheath is prior art material.
Embodiment 2
Present embodiments provide a kind of enhancement mode delayed bonding prestressed tendon, wherein,
As in figure 2 it is shown, the enhancement mode delayed bonding prestressed tendon of the present embodiment, comprising: prestress wire 1, it is coated with
Overlay on the slow setting adhesive phase 2 outside prestress wire, and the outer coated sheath 3 being coated on outside slow setting adhesive phase 2,
Slow setting adhesive phase 2 and outer coated sheath 3 are collectively forming the longitudinal rib (two) of the most concavo-convex cross rib and arcuation.
Prestress wire 1 is by the steel wire of piece Φ 6mm in center, the steel wire of the 9 Φ 4mm in intermediate layer and outer layer 9
The steel wire twisting of root Φ 5mm forms, a diameter of 21.8 millimeters.
The material of slow setting adhesive phase 2 is cure cycle at the epoxyn of 24 months, and it is in the thickness of recess
Degree is 0.5mm.
Outer coated sheath 3 is mix polyethylene plastic grain extrusion molding, and its thickness is 1.4mm.
Slow setting adhesive phase 2 and outer coated sheath 3 are collectively forming in uniform concavo-convex cross rib and longitudinal rib, and the width of cross rib is
8 millimeters, a height of 1.7 millimeters of rib, rib spacing be 14 millimeters, longitudinal rib internal diameter is 1.8 millimeters.
The material of described epoxyn and outer coated sheath is prior art material.
Embodiment 3
Present embodiments provide a kind of enhancement mode delayed bonding prestressed tendon, wherein,
As it is shown on figure 3, the enhancement mode delayed bonding prestressed tendon of the present embodiment, comprising: prestress wire 1, it is coated with
Overlay on the slow setting adhesive phase 2 outside prestress wire, and the outer coated sheath 3 being coated on outside slow setting adhesive phase 2,
Slow setting adhesive phase 2 and outer coated sheath 3 are collectively forming the longitudinal rib (two) of the most concavo-convex cross rib and arcuation.
Prestress wire 1 is by the steel wire of piece Φ 6mm in center, the steel wire of the 6 Φ 6mm in intermediate layer and outer interlayer
Φ 5mm and each 6 steel wire twistings of Φ 7mm every arrangement form, a diameter of 28.6 millimeters.
The material of slow setting adhesive phase 2 is cure cycle at the epoxyn of 12 months, and it is in the thickness of recess
Degree is 0.6mm.
Outer coated sheath 3 is mix polyethylene plastic grain extrusion molding, and its thickness is 1.5mm.
Slow setting adhesive phase 2 and outer coated sheath 3 are collectively forming in uniform concavo-convex cross rib and longitudinal rib, and the width of cross rib is
10 millimeters, a height of 1.8 millimeters of rib, rib spacing be 15 millimeters, longitudinal rib internal diameter is 2 millimeters.
The material of described epoxyn and outer coated sheath is prior art material.
Embodiment 4
Present embodiments provide a kind of enhancement mode delayed bonding prestressed tendon, wherein,
As it is shown in figure 1, the enhancement mode slow-adhesion prestress steel strand of the present embodiment, comprising: prestress wire 1,
The slow setting adhesive phase 2 being coated in outside prestress wire, and it is coated on the outer coated sheath outside slow setting adhesive phase 2
3, slow setting adhesive phase 2 and outer coated sheath 3 are collectively forming the longitudinal rib (two) of the most concavo-convex cross rib and arcuation.
Prestress wire 1 is formed by steel wire (1, center, the outer layer 6) twisting of 7 Φ 7mm, diameter
It it is 21.6 millimeters.
The material of slow setting adhesive phase 2 is cure cycle at the epoxyn of 6 months, and it is at the thickness of recess
For 0.5mm.
Outer coated sheath 3 is mix polyethylene plastic grain extrusion molding, and its thickness is 1.4mm.
Slow setting adhesive phase 2 and outer coated sheath 3 are collectively forming in uniform concavo-convex cross rib and longitudinal rib, and the width of cross rib is
8 millimeters, a height of 1.7 millimeters of rib, rib spacing be 14 millimeters, longitudinal rib internal diameter is 1.8 millimeters.
The material of described epoxyn and outer coated sheath is prior art material.
Embodiment 5
As it is shown in figure 1, the enhancement mode delayed bonding prestressed tendon of the present embodiment, comprising: prestress wire 1, it is coated with
Overlay on the slow setting adhesive phase 2 outside prestress wire, and the outer coated sheath 3 being coated on outside slow setting adhesive phase 2,
Slow setting adhesive phase 2 and outer coated sheath 3 are collectively forming the longitudinal rib (two) of the most concavo-convex cross rib and arcuation.
Prestress wire 1 is formed by steel wire (1, center, the outer layer 6) twisting of seven Φ 6mm, diameter
17.8 millimeters.
The material of slow setting adhesive phase 2 is cure cycle at the epoxyn of 18 months, and it is in the thickness of recess
Degree is 0.3mm.
Outer coated sheath 3 is mix polyethylene plastic grain extrusion molding, and its thickness is 1.2mm.
Slow setting adhesive phase 2 and outer coated sheath 3 are collectively forming in uniform concavo-convex cross rib and longitudinal rib, and the width of cross rib is
6 millimeters, a height of 1.5 millimeters of rib, rib spacing be 12 millimeters, longitudinal rib internal diameter is 1.6 millimeters.
The material of described epoxyn and outer coated sheath is prior art material.
Embodiment 6
As it is shown in figure 1, the enhancement mode delayed bonding prestressed tendon of the present embodiment, comprising: prestress wire 1, it is coated with
Overlay on the slow setting adhesive phase 2 outside prestress wire, and the outer coated sheath 3 being coated on outside slow setting adhesive phase 2,
Slow setting adhesive phase 2 and outer coated sheath 3 are collectively forming the longitudinal rib (two) of the most concavo-convex cross rib and arcuation.
Prestress wire 1 is formed by steel wire (1, center, the outer layer 6) twisting of seven Φ 6.6mm, diameter
It it is 18.9 millimeters.
The material of slow setting adhesive phase 2 is cure cycle at the epoxyn of 20 months, and it is in the thickness of recess
Degree is 0.4mm.
Outer coated sheath 3 is mix polyethylene plastic grain extrusion molding, and its thickness is 1.3mm.
Slow setting adhesive phase 2 and outer coated sheath 3 are collectively forming in uniform concavo-convex cross rib and longitudinal rib, and the width of cross rib is
7 millimeters, a height of 1.6 millimeters of rib, rib spacing be 13 millimeters, longitudinal rib internal diameter is 1.7 millimeters.
The material of described epoxyn and outer coated sheath is prior art material.
Claims (9)
1. an enhancement mode delayed bonding prestressed tendon, it includes prestress wire, is coated in outside prestress wire
Slow setting adhesive phase and be coated on the outer coated sheath outside slow setting adhesive phase, it is characterised in that:
A diameter of 15.2-28.6mm of described prestress wire, by 7, diameter is identical or 19 diameters are different
Steel wire twisting forms；
The surface of described enhancement mode delayed bonding prestressed tendon is evenly distributed with by slow setting adhesive phase and outer coated sheath through pressure
Make the cross rib and longitudinal rib being collectively forming.
Enhancement mode delayed bonding prestressed tendon the most according to claim 1, it is characterised in that described cross rib is recessed
Convex, is distributed along enhancement mode delayed bonding prestressed tendon circumferencial direction.
Enhancement mode delayed bonding prestressed tendon the most according to claim 1, it is characterised in that the width of described cross rib
Degree is 5-10mm, and the rib spacing of cross rib is 10-15mm, and the lower limit of cross rib height is 1.2-1.8mm.
Enhancement mode delayed bonding prestressed tendon the most according to claim 1, it is characterised in that described longitudinal rib is two
Bar, in arcuation, is distributed along enhancement mode delayed bonding prestressed tendon length direction.
Enhancement mode delayed bonding prestressed tendon the most according to claim 1, it is characterised in that described longitudinal rib interior
Footpath is 1.5-2.0mm.
Enhancement mode delayed bonding prestressed tendon the most according to claim 1, it is characterised in that described slow setting bonds
Oxidant layer is 0.2-0.6mm at the thickness of recess.
Enhancement mode delayed bonding prestressed tendon the most according to claim 1, it is characterised in that described outer coated sheath
Thickness be 1.0-1.5mm.
Enhancement mode delayed bonding prestressed tendon the most according to claim 1, it is characterised in that described slow setting bonds
The material of oxidant layer is that cure cycle is at the 6-24 epoxyn of individual month.
Enhancement mode delayed bonding prestressed tendon the most according to claim 1, it is characterised in that described steel wire is cold
Steel rolling silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620066099.XU CN205591432U (en) | 2016-01-22 | 2016-01-22 | Enhancement mode prestressing tendons that slowly bonds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620066099.XU CN205591432U (en) | 2016-01-22 | 2016-01-22 | Enhancement mode prestressing tendons that slowly bonds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205591432U true CN205591432U (en) | 2016-09-21 |
Family
ID=56927001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620066099.XU Active CN205591432U (en) | 2016-01-22 | 2016-01-22 | Enhancement mode prestressing tendons that slowly bonds |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205591432U (en) |
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2016
- 2016-01-22 CN CN201620066099.XU patent/CN205591432U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100081 No. 11 South Main Street, Haidian District, Beijing, Zhongguancun Patentee after: BEIJING ZHAO FUJI NEW MATERIALS TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 100081 No. 11 South Main Street, Haidian District, Beijing, Zhongguancun Patentee before: BEIJING ZHAO FUJI BUILDING MATERIAL TECHNOLOGY DEVELOPMENT CO.,LTD. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170627 Address after: 100081 No. 11 South Main Street, Haidian District, Beijing, Zhongguancun Co-patentee after: CHINA RAILWAY FIRST SURVEY AND DESIGN INSTITUTE GROUP Co.,Ltd. Patentee after: BEIJING ZHAO FUJI NEW MATERIALS TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 100081 No. 11 South Main Street, Haidian District, Beijing, Zhongguancun Patentee before: BEIJING ZHAO FUJI NEW MATERIALS TECHNOLOGY DEVELOPMENT Co.,Ltd. |