CN107162562A - A kind of subway tunnel concrete rapid restoring material and its preparation method and application - Google Patents
A kind of subway tunnel concrete rapid restoring material and its preparation method and application Download PDFInfo
- Publication number
- CN107162562A CN107162562A CN201710479782.5A CN201710479782A CN107162562A CN 107162562 A CN107162562 A CN 107162562A CN 201710479782 A CN201710479782 A CN 201710479782A CN 107162562 A CN107162562 A CN 107162562A
- Authority
- CN
- China
- Prior art keywords
- restoring material
- subway tunnel
- subway
- rapid restoring
- tunnel concrete
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/34—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders
- C04B28/344—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders the phosphate binder being present in the starting composition solely as one or more phosphates
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The present invention relates to a kind of subway tunnel concrete rapid restoring material and its preparation method and application, described rapid restoring material includes the component of following mass fraction：100 parts of phosphate cement, 1 20 parts of aluminosilicate mineral, 1 10 parts of boric acid, 0.01 0.04 parts of additive, the rapid restoring material, which adds water to stir, can be used, it is 0.15~0.18 to recommend water-cement ratio, and the early strength and adhesion strength that its combination property is substantially better than common sulphoaluminate cement base restoring material, particularly material are more excellent.In addition, the material property matching between the restoring material and portland cement concrete of the present invention is high, it is poured finish after need not particularly conserve (moisturizing of such as sprinkling water, heat), can quickly open the traffic of subway, be conducive to popularization and application.
Description
Technical field
The present invention relates to building special material field, more particularly, to a kind of subway tunnel concrete rapid restoring material and
Its preparation method and application.
Background technology
As China's economic development is rapid, urbanization process is accelerated, and urban population largely increases, and all kinds of vehicles are increasingly
The problem of popularization, urban road structural defect and path resource poor efficiency Distribution utilization, continuously emerges, traffic jam issue
It is increasingly serious, to solve these problems, traffic engineering is switched into underground as preferred option.Due to subway not climate condition
Influence and safe and efficient transport features, it has also become the backbone of many big city public passenger transportation networks.From 60 years 19th century
Since being built up for first, London subway, many national urban track traffics are flourished.The track in China city
Transport development is since the sixties in last century Beijing Metro, with the sustainable growth and the continuous expansion of city size of national economy
Greatly, subway and light railways are built in more than ten city such as Beijing, Shanghai, Guangzhou successively so far.It was verified that the fortune of subway
Seek and play huge effect for alleviating the traffic pressure in city, therefore, in recent years, China there will be more than 20 cities to build
Rail line.
Due to the particularity of engineering, subway tunnel concrete is in the environment that moist and subsurface flow is passed through, not only faced
The pressure permeation effect of the carbonization environment and underground water more serious than ground, also by various corrosivity present in underground water
The erosion of medium, while also being influenceed by load, train vibration, stray electrical current etc., largely exacerbates and concrete is invaded
Erosion is acted on.Accordingly, with respect to other construction projects, subway tunnel concrete causes concrete durability bad due to being corroded
The problem of change, seems especially prominent, and is directly connected to safety and the service life of subway concrete structure.
Subway engineering belongs to national key project, and so-called subway is that century-old engineering refers to subway civil structural engineering
Design service life is 100 years.After being runed through the several years, cause the disease of Shield-bored tunnels concrete due to various erosions
Situation is increasingly serious, has a strong impact on the normal operation and safety of subway, therefore, the reparation to Shield-bored tunnels concrete diseases
The problem of turning into extremely urgent.
In view of the characteristics of subway, the reparation of subway concrete disease can only be carried out at night, and the maintenance time given daily is very
It is short, often whole repair procedures are completed in 4h, therefore it is required that patching material fast solidifying, intensity are high, construction technology
Simple and efficient, it, which is constructed, finishes the minimum requirements that rear 1~2h intensity recovers metro operation with regard to that can meet, in case influence vehicle is just
Often operation.In addition, at the top of to subway during the reparation of disease, it is viscous between special requirement patching material and subway segment concrete
Knotting strength is high, development is fast, in order to avoid the safe operation for the influence train that comes off.
At present, the most frequently used fast repairing material of subway includes the inorganic materials such as sulphate aluminium cement, modified portland cement
Material, and the high-molecular organic material such as epoxy resin, acrylic acid.Traditional high-molecular organic material has fast solidifying, glues
Knotting strength is high, but differs greatly, mismatches with the modulus of elasticity and thermal coefficient of expansion of subway segment concrete, is also easy to produce bonding interface
Fatigue cracking is with coming off；The characteristic contrast of inorganic rapid restoring material.The present invention precisely in order to overcoming Rapid-Repair material
The shortcoming of material, integrates the advantage of organic and inorganic material and proposes.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of subway tunnel coagulation
Native rapid restoring material and its preparation method and application.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of subway tunnel concrete rapid restoring material, includes the component of following mass fraction：Phosphate cement 100
Part, 1-20 parts of aluminosilicate mineral, 1-10 parts of boric acid, 0.01-0.04 parts of additive.
As preferred embodiment, described phosphate cement is ammonium magnesium phosphate cement, is repaired the roads people's high-tech stock from Hangzhou
Part Co., Ltd directly buys, and is that it prepares the phosphate cement repaired used in king's mortar ZG01 products.
As preferred embodiment, described aluminosilicate mineral is one or both of metakaolin, slag powders
It is compound.The specific surface area of described aluminosilicate mineral is 300~500m2/kg。
As preferred embodiment, described boric acid is powder product, its purity >=95%.
As preferred embodiment, described additive is Tea Saponin.
The preparation method of subway tunnel concrete rapid restoring material, including step in detail below：Phosphoric acid is weighed in proportion
Salt cement, aluminosilicate mineral, boric acid and additive, are placed in batch mixer and mix, that is, obtain purpose product.
Subway tunnel concrete rapid restoring material is used to repair subway disease.
As preferred embodiment, its application process is specially：
(1) rapid restoring material is taken, it is abundant with water, sandstone stirring, it is made into repairing material；
(2) subway disease is carried out before repairing construction, the concrete layer of damage is cleaned out, is not required to spread surface
The processing of water moistening, then the repairing material that smearing step (1) is made into, after having constructed, it is not necessary to which special curing such as spreads water and heating, root
According to requirement of engineering, 1h or so is stood, that is, completes to repair, so that open metro operation.
As above-mentioned preferred embodiment it is further preferred that the mass ratio of rapid restoring material and water is 1 in step (1)：
(0.1-0.18)。
Compared with prior art, restoring material of the invention has advantages below：
(1) intensity is high, it is fast to develop, and later strength continues to increase；
(2) adhesion strength between subway segment concrete is high；
(3) match with cement concrete material such as thermal coefficient of expansion, modulus of elasticity etc.；
(4) subway transportation can quickly be opened；
(5) volume stability height, drying shrinkage very little；
(6) excellent durability, such as good resistance to stress fatigue and the performance for protecting reinforcing bar not corrosion.
(7) present invention overcomes the shortcoming of traditional fast repairing material, the advantage of comprehensive organic and inorganic material, so as to be ground
The quick reparation of iron disease provides a kind of quick, efficient, durable restoring material.This patent will stitch the place of disease for active service subway
Control and new technological means is provided, with great social effect and distinct economic.
Embodiment
With reference to specific embodiment, the present invention is described in detail.
In following each embodiment 1-4, phosphate cement used is ammonium magnesium phosphate cement, and aluminosilicate mineral is higher ridge
Soil and slag powders in mass ratio 9:1 it is compound, its specific surface area is 300~500m2/kg.Boric acid is powder product, its purity >=
95%.Additive is Tea Saponin.
When the rapid restoring material that following each embodiments are made into is used to repair subway disease, applied using step in detail below
Work：(1) rapid restoring material is taken, it is abundant with water, sandstone stirring, it is made into repairing material；(2) repairing construction is carried out to subway disease
Before, the concrete layer of damage is cleaned out, is not required to that surface is carried out to spread the processing of water moistening, then robbing of being made into of smearing step (1)
Material is repaiied, after having constructed, it is not necessary to which special curing such as spreads water and heating, according to requirement of engineering, stand 1h or so, that is, complete to repair
It is multiple, so as to open metro operation.
Embodiment 1：
Work as restoring material：Water：Sand=1：0.12：When 1, the performance indications of its repairing material being made into are shown in Table 1.
Embodiment 2：
Work as restoring material：Water：Sand=1：0.12：When 1, its performance indications is shown in Table 1.
Embodiment 3：
Work as restoring material：Water：Sand=1：0.12：When 1, its performance indications is shown in Table 1.
Embodiment 4：
Work as restoring material：Water：Sand=1：0.12：When 1, its performance indications is shown in Table 1.
Table 1
Note：
(1) control sample is conventional sulphoaluminate cement base restoring material, and its match ratio is sulphate aluminium cement:Water:Sand
=1:0.40:1.0；
(2) sample dimensions are 4cm × 4cm × 16cm；
(3) adhesion strength is the adhesive bending strength between restoring material and cement concrete, the anti-folding of concrete itself
Intensity is 9.1MPa；
(4) " >=", when representing that adhesion strength is determined, the fracture position of bonding testing piece is in concrete body material, i.e.,
Its adhesion strength is more than the rupture strength of concrete itself.
From table 1 it may be clearly seen that, compared with traditional sulphoaluminate cement base restoring material (control sample), the present invention
The combination property of restoring material is significantly superior, the early strength before particularly 1d, and between Portland cement concrete (PCC)
Adhesion strength is especially protruded.
The performance of restoring material of the present invention can be obviously improved by the proportioning for optimizing material.By dosing boric acid, because of it
Can with the MgO particle reactions in phosphate cement, its surface formed one layer of boric acid magnesium salts thin layer so that hinder phosphate with
MgO reaction, therefore can substantially increase the operable time of restoring material of the present invention, but its early strength is reduced, after 7d
Intensity effect is smaller；The appropriate aluminosilicate mineral object amount of addition, because its active Si and Al component contained may participate in condensation hardening
Reaction, can increase the content of cementing mineral, therefore be conducive to improving the intensity and adhesive property of restoring material of the present invention, and can drop
Its low production cost；The appropriate additive of addition, because it can introduce substantial amounts of miniature spherical bubble in slurry, reduction slurry
Viscosity and density, therefore more significant can improve the workability of restoring material, reduction repairing slurry departs from from repairing facade trickling,
But to its compression strength decrease to some degree.Therefore, required according to the actual conditions of field engineering, can be by adjusting this
A little material parameters obtain the restoring material that cost performance is optimal.
Embodiment 5
A kind of subway tunnel concrete rapid restoring material, includes the component of following mass fraction：Phosphate cement 100
Part, 1 part of aluminosilicate mineral, 1 part of boric acid, 0.04 part of additive.Described phosphate cement is ammonium magnesium phosphate cement.Described
Aluminosilicate mineral is metakaolin, and its specific surface area is 300~500m2/kg.Described boric acid is powder product, its purity
>=95%.Described additive is Tea Saponin, by material of the residue tea seed cake through refining of oil tea enterprise.
The rapid restoring material being made by above-mentioned formula, when being constructed for subway damage repair, cement one is repaired with common
Sample, by 1：0.1：Rapid restoring material, water and sandstone are stirred and mixed by 1 mass ratio.Remaining method is with reference to application side above
Method.
Embodiment 6
A kind of subway tunnel concrete rapid restoring material, includes the component of following mass fraction：Phosphate cement 100
Part, 20 parts of aluminosilicate mineral, 10 parts of boric acid, 0.04 part of additive.Described phosphate cement is ammonium magnesium phosphate cement.It is described
Aluminosilicate mineral be slag powders, its specific surface area be 300~500m2/kg.Described boric acid is powder product, its purity
>=95%.Described additive is Tea Saponin, by material of the residue tea seed cake through refining of oil tea enterprise.
The rapid restoring material being made by above-mentioned formula, when being constructed for subway damage repair, cement one is repaired with common
Sample, by 1：0.18：Rapid restoring material, water and sandstone are stirred and mixed by 1 mass ratio.Remaining method is with reference to application side above
Method.
Embodiment 7
A kind of subway tunnel concrete rapid restoring material, includes the component of following mass fraction：Phosphate cement 100
Part, 12 parts of aluminosilicate mineral, 4 parts of boric acid, 0.025 part of additive.Described phosphate cement is ammonium magnesium phosphate cement.It is described
Aluminosilicate mineral be metakaolin and slag powders in mass ratio 2:1 is combined, and its specific surface area is 300~500m2/kg.Institute
The boric acid stated is powder product, its purity >=95%.Described additive is Tea Saponin, by the residue tea seed cake of oil tea enterprise through carrying
The material of refining.
The rapid restoring material being made by above-mentioned formula, when being constructed for subway damage repair, cement one is repaired with common
Sample, by 1：0.12：Rapid restoring material, water and sandstone are stirred and mixed by 1 mass ratio.Remaining method is with reference to application side above
Method.
Embodiment 8
A kind of subway tunnel concrete rapid restoring material, includes the component of following mass fraction：Phosphate cement 100
Part, 8 parts of aluminosilicate mineral, 6 parts of boric acid, 0.03 part of additive.Described phosphate cement is ammonium magnesium phosphate cement.Described
Aluminosilicate mineral is metakaolin and slag powders in mass ratio 1:2 it is compound, its specific surface area is 300~500m2/kg.Institute
The boric acid stated is powder product, its purity >=95%.Described additive is Tea Saponin, by the residue tea seed cake of oil tea enterprise through carrying
The material of refining.
The rapid restoring material being made by above-mentioned formula, when being constructed for subway damage repair, cement one is repaired with common
Sample, by 1：0.11：Rapid restoring material, water and sandstone are stirred and mixed by 1 mass ratio.Remaining method is with reference to application side above
Method.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using invention.
Person skilled in the art obviously can easily make various modifications to these embodiments, and described herein general
Principle is applied in other embodiment without passing through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, ability
Field technique personnel are according to the announcement of the present invention, and not departing from improvement and modification that scope made all should be the present invention's
Within protection domain.
Claims (10)
1. a kind of subway tunnel concrete rapid restoring material, it is characterised in that include the component of following mass fraction：Phosphate
100 parts of cement, 1-20 parts of aluminosilicate mineral, 1-10 parts of boric acid, 0.01-0.04 parts of additive.
2. a kind of subway tunnel concrete rapid restoring material according to claim 1, it is characterised in that described phosphoric acid
Salt cement is ammonium magnesium phosphate cement.
3. a kind of subway tunnel concrete rapid restoring material according to claim 1, it is characterised in that described sial
Hydrochlorate mineral are the compound of one or both of metakaolin, slag powders.
4. a kind of subway tunnel concrete rapid restoring material according to claim 3, it is characterised in that described sial
The specific surface area of hydrochlorate mineral is 300~500m2/kg。
5. a kind of subway tunnel concrete rapid restoring material according to claim 1, it is characterised in that described boric acid
For powder product, its purity >=95%.
6. a kind of subway tunnel concrete rapid restoring material according to claim 1, it is characterised in that described is additional
Agent is Tea Saponin.
7. the preparation method of the subway tunnel concrete rapid restoring material as described in claim 1-6 is any, it is characterised in that
Including step in detail below：Phosphate cement, aluminosilicate mineral, boric acid and additive are weighed in proportion, are placed in batch mixer
Mixing, that is, obtain purpose product.
8. the subway tunnel concrete rapid restoring material as described in claim 1-6 is any is used to repair subway disease.
9. the application of subway tunnel concrete rapid restoring material according to claim 8, it is characterised in that its application side
Method is specially：
(1) rapid restoring material is taken, it is abundant with water, sandstone stirring, it is made into repairing material；
(2) subway disease is carried out before repairing construction, the concrete layer of damage is cleaned out, then smearing step (1) is made into
Repairing material, stands, that is, completes to repair.
10. the application of subway tunnel concrete rapid restoring material according to claim 9, it is characterised in that step (1)
The mass ratio of middle rapid restoring material and water is 1：(0.1-0.18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710479782.5A CN107162562A (en) | 2017-06-22 | 2017-06-22 | A kind of subway tunnel concrete rapid restoring material and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710479782.5A CN107162562A (en) | 2017-06-22 | 2017-06-22 | A kind of subway tunnel concrete rapid restoring material and its preparation method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107162562A true CN107162562A (en) | 2017-09-15 |
Family
ID=59820034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710479782.5A Pending CN107162562A (en) | 2017-06-22 | 2017-06-22 | A kind of subway tunnel concrete rapid restoring material and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107162562A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113402224A (en) * | 2021-06-22 | 2021-09-17 | 成都建工预筑科技有限公司 | Fast-hardening early-strength concrete convenient for construction and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1415573A (en) * | 2002-10-16 | 2003-05-07 | 同济大学 | Patching material in ultra-tast for hard road |
| CN101381219A (en) * | 2008-10-09 | 2009-03-11 | 上海交通大学 | Phosphate fast repairing building material |
| CN104402392A (en) * | 2014-11-12 | 2015-03-11 | 武汉理工大学 | Preparation method of metakaolin-based magnesium oxide type rapid repair material |
| KR101709239B1 (en) * | 2016-06-03 | 2017-02-23 | (주)대우건설 | Eco-friendly inorganic grout composition using industrial by-products for ground cut-off |
| CN106630921A (en) * | 2016-11-24 | 2017-05-10 | 杭州修路人科技股份有限公司 | Novel high-performance water-permeable concrete cementing agent and preparation method thereof |
-
2017
- 2017-06-22 CN CN201710479782.5A patent/CN107162562A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1415573A (en) * | 2002-10-16 | 2003-05-07 | 同济大学 | Patching material in ultra-tast for hard road |
| CN101381219A (en) * | 2008-10-09 | 2009-03-11 | 上海交通大学 | Phosphate fast repairing building material |
| CN104402392A (en) * | 2014-11-12 | 2015-03-11 | 武汉理工大学 | Preparation method of metakaolin-based magnesium oxide type rapid repair material |
| KR101709239B1 (en) * | 2016-06-03 | 2017-02-23 | (주)대우건설 | Eco-friendly inorganic grout composition using industrial by-products for ground cut-off |
| CN106630921A (en) * | 2016-11-24 | 2017-05-10 | 杭州修路人科技股份有限公司 | Novel high-performance water-permeable concrete cementing agent and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 徐立新: "《中国地暖实用手册》", 30 August 2014, 辽宁科学技术出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113402224A (en) * | 2021-06-22 | 2021-09-17 | 成都建工预筑科技有限公司 | Fast-hardening early-strength concrete convenient for construction and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111533517B (en) | Rapid repair mortar for high-speed railway concrete track slab and preparation method thereof | |
| CN102584139B (en) | Self-densifying concrete as well as preparation method and application thereof | |
| CN109574565A (en) | A kind of regeneration concrete and preparation method thereof | |
| CN106186922B (en) | Semi rigid bituminous surface material and preparation method thereof | |
| CN108558304A (en) | A kind of high antiskid long-life ultra-high performance concrete road surface road | |
| CN110156380B (en) | Densely-mixed asphalt mixture prepared from modified steel slag and preparation method thereof | |
| CN106587885B (en) | Patching material and application for Existing Railway Bridges bridge surface waterproof layer protective layer | |
| CN111606605A (en) | Water-based epoxy resin modified emulsified asphalt cold-patch material for rapid road repair and preparation method thereof | |
| CN105777042A (en) | Anti-disturbance repair mortar and method for applying same | |
| CN107572981A (en) | A kind of concrete repair self-compacting concrete and preparation method thereof | |
| CN102040360B (en) | Tailing sand brick with high weather resistance and preparation method thereof | |
| CN104402392A (en) | Preparation method of metakaolin-based magnesium oxide type rapid repair material | |
| CN102826813A (en) | Low-temperature quick repair mortar for pavement and preparation method for low-temperature quick repair mortar | |
| CN109455998A (en) | A kind of manufacture craft of steel pipe fiber seif-citing rate regenerated aggregate concrete column | |
| CN106904870A (en) | A kind of natural fiber reinforced epoxy base concrete and preparation method and application | |
| CN102320793A (en) | Quick-hardening self-compacting anti-cracking high-performance grouting material | |
| CN106186959A (en) | A kind of regenerative micro powder mortar and preparation method thereof | |
| CN109133795B (en) | Low-shrinkage high-adhesion black concrete and preparation method and application thereof | |
| CN107721330B (en) | Durable cement concrete pavement slab bottom grouting material and preparation method thereof | |
| CN110294621A (en) | Based on the inorganic fast repairing material of potassium magnesium phosphate cement non-fragment orbit and preparation method | |
| CN107162562A (en) | A kind of subway tunnel concrete rapid restoring material and its preparation method and application | |
| CN105198330B (en) | A kind of environmentally friendly ultra high-early strength support saddle repairing grouting material and preparation method | |
| CN111925176A (en) | Novel high-performance ecological artistic cement material and manufacturing method thereof | |
| CN101838128A (en) | Green environment cement-based composite material | |
| CN100450966C (en) | Quick repairing agent for cement concrete |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170915 |
|
| RJ01 | Rejection of invention patent application after publication |