CN111206614A - Turnover utilization construction method for wooden embedded bolt sleeve of large equipment foundation - Google Patents
Turnover utilization construction method for wooden embedded bolt sleeve of large equipment foundation Download PDFInfo
- Publication number
- CN111206614A CN111206614A CN202010185210.8A CN202010185210A CN111206614A CN 111206614 A CN111206614 A CN 111206614A CN 202010185210 A CN202010185210 A CN 202010185210A CN 111206614 A CN111206614 A CN 111206614A
- Authority
- CN
- China
- Prior art keywords
- bolt sleeve
- bolt
- main body
- wood
- benzene
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
Abstract
The invention relates to a turnover utilization construction method of a wooden embedded bolt sleeve of a large-scale equipment foundation, wherein the bolt sleeve comprises a wood template, a square wood keel, a cross-shaped framework and an externally-wrapped benzene board; the bolt sleeve main body of a hollow cuboid structure is assembled by four wood templates in an overlapping mode, square wood keels are fixed at four corners of the bolt sleeve main body respectively along the vertical direction, a cross framework formed by splicing and inserting two wood-rubber mold closing plates is inserted into the middle of the bolt sleeve main body, and the outer wrapping benzene plates are wrapped on the outer side of the bolt sleeve main body. The rigidity of the wooden bolt sleeve is increased, and the outer side of the wooden bolt sleeve is wrapped with a polystyrene board, so that the bolt sleeve is installed and positioned on the equipment foundation; when the bolt sleeve is disassembled, a disassembling die hole is drilled at the exposed part of the bolt sleeve, a steel bar transversely penetrates through the disassembling die hole, the exposed parts at two sides of the steel bar are sleeved with lifting lugs, and the bolt sleeve is disassembled through a crow bar or a steel pipe hanger. The method of the invention realizes the purposes of conveniently dismantling the template and ensuring the quality of the cup rim, and the turnover rate of the template is high.
Description
Technical Field
The invention relates to a circulation utilization method of an embedded bolt sleeve, in particular to a manufacturing, installing and dismantling method of a wooden embedded bolt sleeve suitable for foundation construction of large-scale equipment.
Background
Relate to during large-scale equipment foundation construction and reserve bolt hole, use certain engineering of our company's construction as the background, this project includes 105 fermentation workshops and 104 fermentation workshops, 105 fermentation workshops and 104 fermentation workshops are the most important two districts of founding the fermentation cylinder, wherein 105 fermentation workshops are whole factory area's mark nature monomer, the time limit for a project requires the shortest, the year is put into operation, there are 36 and 28 large-scale fermentation equipment bases in 105 and 104 every workshop of two monomers respectively, in single large-scale fermentation equipment base, there are 24 and reserve bolt hole, the specification: 250mm 1300mm, 300mm 1500mm, the individual equipment base diameter is 6700mm, 7100 mm.
During the foundation construction of large-scale equipment, one of them key point is that guarantee to reserve bolt hole module and take one's place smoothly, do not take place skew and dislocation, reserve bolt hole module traditional construction order and make well the pre-buried bolt cover of standard that accords with the design requirement earlier, fix to the design position again, nevertheless can cause and demolish the difficulty, the outward appearance is difficult to guarantee, the unable reutilization of template.
Disclosure of Invention
The invention aims to solve the technical problem of providing a turnover utilization construction method for a wooden embedded bolt sleeve of a large-scale equipment foundation so as to achieve the purposes of convenient template dismantling and reutilization.
In order to solve the technical problems, the invention adopts the technical scheme that: a construction method for turnover utilization of wooden embedded bolt sleeves of a large-scale equipment foundation comprises the following steps:
making bolt sleeve
The bolt sleeve comprises a wood template, a square wood keel, a cross-shaped framework and an externally-wrapped benzene plate; four wood templates are spliced into a bolt sleeve main body with a hollow cuboid structure in a lap joint mode, square wood keels are fixed at four corners of the bolt sleeve main body respectively along the vertical direction, a cross-shaped framework formed by splicing two wood-rubber mold closing plates in a cross mode is inserted into the middle of the bolt sleeve main body, and four end portions of the cross-shaped framework are supported on the inner side face of the bolt sleeve main body respectively; the upper and lower opening ends of the bolt sleeve main body are respectively provided with a top cover plate and a bottom cover plate, and the outer polystyrene plate is coated outside the bolt sleeve main body; plastic adhesive tapes are wrapped outside the benzene plates;
bolt sleeve mounting method
Installing and positioning the bolt sleeve on the equipment foundation, wherein the cup opening adopts a hole reinforcing rib, and the double rows of reinforcing ribs are used for binding and reinforcing connection; the center line, the elevation and the verticality of the bolt sleeve are rechecked before the equipment foundation is poured so as to ensure that the position of the center line of the bolt sleeve is correct;
(III) bolt sleeve dismantling method
After the initial setting of the concrete and before the final setting, the bolt sleeve is removed;
drilling a die removing hole at the exposed part of the bolt sleeve, transversely penetrating a steel bar in the die removing hole, and sleeving lifting lugs at the exposed parts at two sides of the steel bar;
the bolt sleeve is dismantled by adopting any one of the following methods: the method (1) is to use a steel bar inserted lifting lug as a crow bar and square timber as a fulcrum to pull out a bolt sleeve; the method (2) is to make a steel pipe hanger, hang a manual chain block on a bolt sleeve lifting lug by using the steel pipe hanger, and remove a bolt sleeve;
after the bolt sleeve is removed, the benzene plate is left in the bolt hole, the periphery of the benzene plate is loosened by a crow bar, and the loosened benzene plate can be integrally pulled out.
Further, in the step (I), the wood templates are spliced in a clockwise overlapping mode.
Further, in the step (one), the top cover plate and the bottom cover plate are respectively embedded in the upper opening end and the lower opening end of the bolt sleeve main body.
And (3) further, in the step (III), the benzene board slag falling into the bolt hole floats by pouring water into the bolt hole, and is manually removed.
And (3) further, in the step (III), for the benzene plate slag which cannot be removed from the bottom, dripping pine into the bolt hole to perform chemical reaction with the benzene plate, and removing the benzene plate slag.
The invention realizes the purposes of convenient disassembly and ensuring the quality of the cup mouth by increasing the rigidity of the wooden bolt sleeve and coating the benzene plate outside the wooden bolt sleeve. By adopting the embedded bolt sleeve, the template turnover rate is high, the appearance quality of the orifice of the equipment is good, the material is easy to obtain, the cost is reduced, the construction process is simple and convenient, the application range is wide, and the like, and the embedded bolt sleeve is particularly suitable for the installation of the large-scale fermentation equipment foundation.
Drawings
Fig. 1 is a schematic longitudinal sectional view of a buried bolt sleeve according to the present invention.
Figure 2 is a schematic cross-sectional view of a jackbolt sleeve according to the present invention.
Fig. 3 is a schematic diagram of the lap joint and assembly of the wood formwork of the embedded bolt sleeve.
Fig. 4 is a schematic view of lap joint assembly of a wooden formwork as a comparative example.
Figure 5 is a side view of a bolt sleeve according to the present invention.
Figure 6 is a top view of a jackbolt sleeve according to the present invention.
In the drawing, 1-a wood template, 2-a square wood keel, 3-a cross skeleton, 4-an outer polystyrene board, 5-a die removing hole, 6-a top cover plate, 7-a bottom cover plate and 8-an adhesive tape operating hole.
Detailed Description
The invention provides a construction method for turnover utilization of a wooden embedded bolt sleeve of a large-scale equipment foundation, which comprises the following steps of:
(A)Manufacturing of bolt sleeve
The bolt sleeve comprises a wood template 1, a square wood keel 2, a cross-shaped framework 3 and an outer polystyrene board 4.
As shown in fig. 3, four wood formworks 1 are spliced into a bolt sleeve main body with a hollow cuboid structure. Preferably, as shown in fig. 3, the wood formworks 1 are assembled in a clockwise overlapping manner, where the clockwise overlapping manner means that an inner side surface of a first end of any one of the wood formworks 1 is connected to an end surface of an adjacent one of the wood formworks 1, and an end surface of a second end of the wood formwork 1 is connected to an inner side surface of one end of another adjacent one of the wood formworks 1. Compared with the common same-direction lap joint assembly mode (figure 4), the clockwise lap joint has the advantages of firm disassembly and capability of reducing the probability of damage of the bolt sleeve during disassembly.
The four corners of bolt cover main part are along vertical direction fixed square timber joist 2 respectively, and the cross skeleton 3 that forms is pieced together by two wood-rubber compound template crosses is inserted in bolt cover main part middle part, and four tip of cross skeleton 3 support respectively in the medial surface of bolt cover main part, fix at bolt cover central point. The bolt sleeve body is internally reinforced by square wood keels 2, and a wood plate cross-shaped framework 3 is embedded in the middle of the bolt sleeve body, so that the whole bolt sleeve is not deformed under the extrusion of concrete, and cannot lose shape under external force during dismantling.
The upper and lower open end of bolt housing main part is provided with lamina tecti 6 and end cover 7 respectively, and lamina tecti 6 and end cover 7 are equallyd divide and are respectively embedded in the upper and lower open end of bolt housing main part, make wholly more firm, and guarantee when demolising that the end cover can not suffer to destroy and keep somewhere downtheholely. The top cover plate 6 and the bottom cover plate 7 are respectively provided with an operation hole 8 (figure 6) of a bonding belt in the middle, the operation hole 8 of the bonding belt is used for integrally fixing the bolt sleeve on a coating frame of the bonding belt, the coating of the bonding belt is convenient through rotating the bolt sleeve, and the concrete method is as follows: and (3) a central shaft of the cladding frame penetrates through the bonding belt operating holes reserved in the centers of the top cover plate and the bottom cover plate of the bolt sleeve, the bolt sleeve is fixed on the bonding belt cladding frame, and then the bolt sleeve is synchronously rotated along with the winding of the bonding belt, so that the bonding belt cladding construction and quality control are achieved.
The outer polystyrene board 4 is coated outside the bolt sleeve main body. The polystyrene board is added on the outer side of the wood template 1, so that the mold can be integrally pulled out. The plastic adhesive tape is wrapped on the outer side of the benzene plate, so that the benzene plate can be conveniently and integrally pulled out without pollution.
(II)Bolt sleeve mounting method
Installing and positioning the bolt sleeve on the equipment foundation, wherein the cup opening adopts a hole reinforcing rib, and the double rows of reinforcing ribs are used for binding and reinforcing connection; the center line, the elevation and the verticality of the bolt sleeve are rechecked before the equipment foundation is poured so as to ensure that the position of the center line of the bolt sleeve is correct;
(III)Method for dismantling bolt sleeve
After the initial setting of the concrete and before the final setting, the bolt sleeve is removed;
drilling a form removal hole 5 in the exposed part of the bolt sleeve, wherein as shown in fig. 5, the upper parts of two opposite wood formworks 1 are correspondingly provided with the form removal hole 5, a steel bar transversely penetrates through the form removal hole 5, and the exposed parts on two sides of the steel bar are sleeved with lifting lugs;
the bolt sleeve is dismantled by adopting any one of the following methods: the method (1) is to use a steel bar inserted lifting lug as a crow bar and square timber as a fulcrum to pull out a bolt sleeve; the method (2) is to make a steel pipe hanger, hang a manual chain block on a bolt sleeve lifting lug by using the steel pipe hanger, and remove a bolt sleeve;
after the bolt sleeve is removed, the benzene plate is left in the bolt hole, the periphery of the benzene plate is loosened by a crow bar, and the loosened benzene plate can be integrally pulled out. The polystyrene board slag falling into the bolt hole floats through pouring water into the bolt hole, and is manually removed. And (3) dropping pine and the benzene plate into the bolt hole to perform chemical reaction on the benzene plate slag which cannot be removed from the bottom, and removing the benzene plate slag.
The technical solution claimed by the present invention will be further clearly and completely explained below with reference to the examples.
Examples
And (3) carrying out batch processing production on the equipment foundation bolt sleeves according to the number and turnover times of the equipment foundations poured each time, and selecting the wood-rubber die plate with smooth surface, good quality and excellent quality.
The wood template 1 is cut to be calculated according to the size, so that the mold is convenient to remove, the specification of the mold core is slightly larger than the design size of the reserved hole, and the lower part of the mold core is small and the upper part is large, 1: 10 tremble the degree and be favorable to the mould to extract, and bolt housing outsourcing 1cm benzene board, the size of outsourcing benzene board 4 need be deducted when the mould cuts to guarantee to reserve the design size of entrance to a cave after the form removal, about the bolt housing upper opening elevation will be higher than bolt hole top elevation 25cm, be convenient for punch and demolish the box body.
And the middle cross-shaped framework 3 is customized, a wood-rubber die assembly plate is adopted to be cut into a wedge-shaped square plate which is slightly smaller than the embedded top cover plate by 1cm, a groove is reserved in the middle of the wedge-shaped square plate, and the two die plates are spliced in a cross manner. The polystyrene board is a white foam board with the thickness of 1cm, and has the characteristics of good toughness, light weight, economy, durability and convenience in cutting, the size of the wood-rubber composite template which is pressed down during cutting is taken as a model, the size of an upper opening is controlled to be about 5cm of the elevation of the top of a bolt hole, slurry can be prevented from being poured in, and the polystyrene board is convenient to dismantle.
The centers of the top cover plate 6 and the bottom cover plate 7 are respectively penetrated with phi 8 round holes, inserted into the cladding frame, well controlled and fully adhered with the adhesive tape.
The prefabricated bolt sleeve is installed and positioned on an equipment foundation, the cup opening is provided with a hole reinforcing rib, double rows of reinforcing ribs are used for binding and reinforcing connection, and a welding process is forbidden to be adopted so as to prevent welding slag from burning and leaking the benzene plate and influencing later-stage mold removal.
Pouring the concrete twice, and rechecking the central line, the elevation and the verticality of the bolt sleeve before pouring the equipment foundation so as to ensure that the central line of the bolt sleeve is positioned correctly; and after the concrete is accurate, pouring the upper foundation concrete, and rechecking the elevation and the verticality of the embedded bolt sleeve before the initial setting of the concrete so as to ensure the embedding quality of the embedded bolt sleeve.
In order to ensure that the embedded bolt sleeve is smoothly pulled out, the embedded bolt sleeve is detached after the initial setting of the concrete and before the final setting of the concrete.
Drilling a mold removing hole 5 with the diameter phi 12 at the exposed part of the bolt sleeve, transversely penetrating a phi 12 steel bar, and exposing 10cm at two sides for sleeving a lifting lug.
Preparing two to three kinds of square timbers with different lengths as fulcrums, inserting short steel bars welded on the front section of the scaffold tube into the lifting lugs to serve as crow bars, and sequentially using the square timbers with different lengths as the fulcrums to pull out the bolt sleeves by adopting a lever principle.
If the lateral pressure of concrete is too large, the lever principle dismantling method cannot be implemented, a standby scheme can be adopted, a steel pipe hanger is made, a manual chain block is hung on the bolt sleeve in a vertical mode, and the bolt sleeve is dismantled.
After the bolt sleeve is removed, the residual benzene plate is arranged in the bolt hole, the periphery of the benzene plate is loosened by taking the crow bar, and the loosened benzene plate can be integrally pulled out due to the fact that the adhesive tape is fully adhered. The polystyrene board slag dropped sporadically can float the polystyrene board slag poured into the bolt holes and can be manually removed. If benzene board slag which can not be removed exists at the bottom, rosin water can be used for dropping and the benzene board to generate chemical reaction, and the benzene board slag is removed.
And the dismantled benzene plates are collectively stacked to an unrecyclable waste stacking point, are recovered and processed by a local sanitation garbage truck before fixed-point orientation, and the dismantled bolt sleeves are collectively stacked, are hung to a processing area, are re-coated with the benzene plates and are used for installing the next batch of equipment foundations.
Claims (5)
1. A construction method for turnover utilization of wooden embedded bolt sleeves of a large equipment foundation is characterized by comprising the following steps:
making bolt sleeve
The bolt sleeve comprises a wood template, a square wood keel, a cross-shaped framework and an externally-wrapped benzene plate; four wood templates are spliced into a bolt sleeve main body with a hollow cuboid structure in a lap joint mode, square wood keels are fixed at four corners of the bolt sleeve main body respectively along the vertical direction, a cross-shaped framework formed by splicing two wood-rubber mold closing plates in a cross mode is inserted into the middle of the bolt sleeve main body, and four end portions of the cross-shaped framework are supported on the inner side face of the bolt sleeve main body respectively; the upper and lower opening ends of the bolt sleeve main body are respectively provided with a top cover plate and a bottom cover plate, and the outer polystyrene plate is coated outside the bolt sleeve main body; plastic adhesive tapes are wrapped outside the benzene plates;
bolt sleeve mounting method
Installing and positioning the bolt sleeve on the equipment foundation, wherein the cup opening adopts a hole reinforcing rib, and the double rows of reinforcing ribs are used for binding and reinforcing connection; the center line, the elevation and the verticality of the bolt sleeve are rechecked before the equipment foundation is poured so as to ensure that the position of the center line of the bolt sleeve is correct;
(III) bolt sleeve dismantling method
After the initial setting of the concrete and before the final setting, the bolt sleeve is removed;
drilling a die removing hole at the exposed part of the bolt sleeve, transversely penetrating a steel bar in the die removing hole, and sleeving lifting lugs at the exposed parts at two sides of the steel bar;
the bolt sleeve is dismantled by adopting any one of the following methods: the method (1) is to use a steel bar inserted lifting lug as a crow bar and square timber as a fulcrum to pull out a bolt sleeve; the method (2) is to make a steel pipe hanger, hang a manual chain block on a bolt sleeve lifting lug by using the steel pipe hanger, and remove a bolt sleeve;
after the bolt sleeve is removed, the benzene plate is left in the bolt hole, the periphery of the benzene plate is loosened by a crow bar, and the loosened benzene plate can be integrally pulled out.
2. The method of claim 1, wherein: in the step (I), the wooden templates are spliced in a clockwise overlapping manner.
3. The method according to claim 1 or 2, characterized in that: in the step (I), the top cover plate and the bottom cover plate are respectively embedded in the upper opening end and the lower opening end of the bolt sleeve main body.
4. The method of claim 3, wherein: and (III) floating the benzene board slag falling into the bolt hole by pouring water into the bolt hole, and manually removing the benzene board slag.
5. The method of claim 4, wherein: and (III) dripping pine and the benzene plate into the bolt hole to perform chemical reaction on the benzene plate slag which cannot be removed from the bottom, and removing the benzene plate slag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010185210.8A CN111206614A (en) | 2020-03-17 | 2020-03-17 | Turnover utilization construction method for wooden embedded bolt sleeve of large equipment foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010185210.8A CN111206614A (en) | 2020-03-17 | 2020-03-17 | Turnover utilization construction method for wooden embedded bolt sleeve of large equipment foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111206614A true CN111206614A (en) | 2020-05-29 |
Family
ID=70783234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010185210.8A Pending CN111206614A (en) | 2020-03-17 | 2020-03-17 | Turnover utilization construction method for wooden embedded bolt sleeve of large equipment foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111206614A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06136941A (en) * | 1992-10-28 | 1994-05-17 | Ishikawajima Harima Heavy Ind Co Ltd | Burying hole forming device |
| CN107366299A (en) * | 2016-05-11 | 2017-11-21 | 五冶集团上海有限公司 | A kind of concrete preformed hole hole Formwork Installation Method |
| CN208517965U (en) * | 2018-04-18 | 2019-02-19 | 中建三局第二建设工程有限责任公司 | A kind of readily removable reserved bolt deep holes template removed, can be used in turn |
| CN109695252A (en) * | 2018-12-12 | 2019-04-30 | 上海巴安水务股份有限公司 | A kind of Equipment Foundations hole to be provided work progress method of quality control |
-
2020
- 2020-03-17 CN CN202010185210.8A patent/CN111206614A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06136941A (en) * | 1992-10-28 | 1994-05-17 | Ishikawajima Harima Heavy Ind Co Ltd | Burying hole forming device |
| CN107366299A (en) * | 2016-05-11 | 2017-11-21 | 五冶集团上海有限公司 | A kind of concrete preformed hole hole Formwork Installation Method |
| CN208517965U (en) * | 2018-04-18 | 2019-02-19 | 中建三局第二建设工程有限责任公司 | A kind of readily removable reserved bolt deep holes template removed, can be used in turn |
| CN109695252A (en) * | 2018-12-12 | 2019-04-30 | 上海巴安水务股份有限公司 | A kind of Equipment Foundations hole to be provided work progress method of quality control |
Non-Patent Citations (4)
| Title |
|---|
| 南京市勘测设计院: "《房屋结构设计手册3》", 31 December 1971 * |
| 浩明等: "《建筑工程管理2建筑安装工程资料编制手册 上》", 31 May 1999 * |
| 王文栋等: "《混凝土结构构造手册 第3版》", 30 June 2003 * |
| 王维瑞等: "《安全员手册第二版》", 31 December 2001, 中国建筑工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109208790B (en) | Single-side formwork erecting construction method for arc shear wall | |
| CN208072950U (en) | A kind of combination set shaped steel formwork | |
| CN106638697A (en) | Method for rapidly constructing light formwork of reinforced-concrete-cast-in-place circular draining inspection well | |
| CN102444285A (en) | Method for manufacturing reinforced concrete basement external wall | |
| CN112497439A (en) | Die and method for manufacturing bridge deck auxiliary member | |
| CN210396134U (en) | Reinforcing tool for controlling horizontal joint quality of shear wall | |
| CN114704112A (en) | Disassembly-free anti-seepage plugging method for cantilever type scaffold steel beam through-wall opening | |
| CN211816387U (en) | Wooden embedded bolt sleeve for large equipment foundation | |
| CN111206614A (en) | Turnover utilization construction method for wooden embedded bolt sleeve of large equipment foundation | |
| CN219863375U (en) | Constructional column top reinforcing steel bar pre-burying device | |
| CN210086511U (en) | Prefabricated member of assembled PC wallboard for building | |
| CN211775746U (en) | Sewage treatment pond cone basis steel form and matrix connection structure thereof | |
| CN113718793B (en) | Cover-excavation construction fender post structure and construction method | |
| CN113738157B (en) | Temporary supports on two sides of post-cast strip of building and method for constructing constructional column by using temporary supports | |
| CN210685368U (en) | Convenient reinforcing complete die set for concrete wall formworks on two sides of deformation joint | |
| CN211447004U (en) | Reinforced GRC plate and pipe ditch foundation formwork system combining same | |
| CN211622573U (en) | Aluminum alloy template reinforcing system for standard floor full cast-in-place stair pouring | |
| CN113090025A (en) | Aluminum mold matching overhanging outer frame construction method of full concrete outer wall structure | |
| CN218090944U (en) | Equipment foundation preformed hole core mold | |
| CN202745044U (en) | Purpose-made rigid support body construction structure strengthening rigidity of reinforcement cage | |
| CN217072774U (en) | Parapet prefabricated mould | |
| CN206916760U (en) | A kind of reusable sump internal mould device | |
| CN219952648U (en) | Sectional bolt for prefabricated laminated slab | |
| CN215830000U (en) | Arc-shaped water pool formwork supporting system of bamboo plywood | |
| CN219887552U (en) | Integral reinforcing fixture for constructional engineering framework and frame shear structure column head template |
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: 20200529 |
|
| RJ01 | Rejection of invention patent application after publication |