CN108457671A - One kind two serves as a contrast sliding slot and enters mould constructing device by window - Google Patents
One kind two serves as a contrast sliding slot and enters mould constructing device by window Download PDFInfo
- Publication number
- CN108457671A CN108457671A CN201810102428.5A CN201810102428A CN108457671A CN 108457671 A CN108457671 A CN 108457671A CN 201810102428 A CN201810102428 A CN 201810102428A CN 108457671 A CN108457671 A CN 108457671A
- Authority
- CN
- China
- Prior art keywords
- window
- crossbeam
- bucket
- chute
- column
- 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
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 52
- 239000010959 steel Substances 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims description 25
- 239000004615 ingredient Substances 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 14
- 238000005336 cracking Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 241001310793 Podium Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
Sliding slot, which is served as a contrast, the invention discloses one kind two enters mould constructing device by window, including trolley, the trolley includes steel form, the steel form inner cavity is equipped with crossbeam, and staircase is equipped on front side of the crossbeam, and the crossbeam bottom is equipped with multiple square steel, the square steel both sides are equipped with column, the column side wall is equipped with diagonal brace, through being equipped with multiple connecting rods on the column, on the column, connecting rod side wall and cross rail top be equipped with movable bearing support.The present invention makes concrete through main chute, separate hopper, diversion channel, shunting string bucket, shunts bucket and enter window chute and be guided to each tooling window by chutes at different levels, realize that concrete enters mould from the bottom to top, by window, layering symmetrically pours, continuous placing, ensure two lining globalities and pouring quality, effectively reduce operating personnel's usage amount, mitigates operating personnel's labor intensity, it does not do over again phenomenon, the construction quality and construction efficiency of two linings are improved, while improving efficiency, labour cost expenditure is made to reduce.
Description
Technical field
The present invention relates to engineering construction field, more particularly to two lining sliding slot of one kind entering mould constructing device by window.
Background technology
With the continuous construction of major long tunnel, the continuous improvement of constructing tunnel standard, tunnel double-lining construction quality has become
Construction emphasis, currently, tunnel double-lining construct and generally use hydraulic self-traveling lining trolley, construction Technique of Pumpcrete, but
Concrete delamination is segmented in casting process, leads to two due to the pump line dismounting and transporting time is longer, worker is without operating platform etc.
It serves as a contrast concrete disintegration, generate the common quality defects such as cold seam, open roof influence concrete appearance of constructing, directly affect two lining perceptions and matter
Amount is checked and accepted, and therefore, how to be reduced pump line dismounting number, is ensured that two lining mass concrete solid quality and presentation quality become two
Serve as a contrast the emphasis of Construction control.
Therefore, invention one kind two serves as a contrast sliding slot by window to enter mould constructing device necessary to solve the above problems.
Invention content
Sliding slot is served as a contrast the purpose of the present invention is to provide one kind two and enters mould constructing device by window, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides the following technical solutions：One kind two serves as a contrast sliding slot and enters mould constructing device by window, wraps
Trolley is included, the trolley includes steel form, and the steel form inner cavity is equipped with crossbeam, and staircase, the cross are equipped on front side of the crossbeam
Beam bottom portion is equipped with multiple square steel, and the square steel both sides are equipped with column, and the column side wall is equipped with diagonal brace, is passed through on the column
Be equipped with multiple connecting rods, on the column, connecting rod side wall and cross rail top be equipped with movable bearing support, the crossbeam is equipped with
Fence, the crossbeam are equipped with main hopper, and the main hopper bottom is equipped with main chute, and the main chute top bottom is equipped with sub-material
Bucket, the separate hopper bottom are equipped with diversion channel, and the diversion channel bottom end is equipped with sub-material string bucket, and the sub-material string bucket is equipped with tablet
Vibrator, shunting string bucket bottom end are equipped with shunting bucket, the shunting bucket equipped with gate valve, the shunting bucket bottom end be equipped with into
Window chute, it is described enter window chute bottom be equipped with chute slide plate.
Preferably, the steel form is set as arc-shaped, and the crossbeam and column may be contained within the top of steel form inner cavity,
It fits with crossbeam bottom at the top of the square steel, the quantity of the column is set as multiple and top is fixedly connected with crossbeam.
Preferably, described diagonal brace one end is fixedly connected with column side wall and the other end is fixedly connected with crossbeam bottom, institute
The quantity for stating connecting rod is set as multiple and arranged in a crossed manner with uprights vertical, and the movable bearing support end is fixed with steel form inner wall
Connection.
Preferably, the fence is set to cross rail top edge, and the main hopper is set between fence, the sub-material
Bucket and sub-material string bucket may be contained in connecting rod.
Preferably, the main chute is obliquely installed, the main chute top be fixedly connected with main hopper through crossbeam and
Bottom is set to right over separate hopper.
Preferably, the quantity of the diversion channel and sub-material string bucket is disposed as three, the diversion channel top and separate hopper
Bottom connection and bottom end are set to the surface of sub-material string bucket.
Preferably, the shunting bucket, gate valve and enter the quantity of window chute and be set as three times of sub-material string barrelage amount, it is described
Shunting bucket top and detach that string bucket connects and bottom end is set to the surface into window chute, it is described enter window chute be obliquely installed,
It is described enter window chute bottom end be set in tooling window.
Preferably, the beam height is 1.8m, and the crossbeam is made of checkered steel plate material, the square steel horizontal spacing
For 50cm, longitudinal pitch 2m and enters window chute and is made of 3mm steel plates the main hopper, separate hopper, main chute, diversion channel,
The shunting string bucket and shunting bucket are made of 200 round steel pipes of φ.
The technique effect and advantage of the present invention：The present invention makes concrete through main chute, separate hopper, shunting by chutes at different levels
Slot, shunting string bucket shunt bucket and enter window chute and be guided to each tooling window, realize that concrete enters mould, layering from the bottom to top, by window
It symmetrically pours, continuous placing, it is ensured that two lining globalities and pouring quality effectively reduce operating personnel's usage amount, mitigate operation
Personnel labor intensity, phenomenon of not doing over again improve the construction quality and construction efficiency of two linings, while improving labour effect
Rate makes labour cost expenditure reduce, by selecting the steel plate of 3mm thickness to carry out main hopper and separate hopper making, existing enough rigidity
Concrete pressure is resisted, prevents from leading to hopper deformation, cracking because of concrete pressure, be used to influence equipment, while reducing steel
The waste of plate facilitates concrete to shunt using the main chute being obliquely installed, and installs vibration board on shunting string bucket, avoids
Due to the limitation of separate hopper height, can not accomplish completely to flow automatically.
Description of the drawings
Fig. 1 is overall structure of the present invention.
Fig. 2 is crossbeam of the present invention, connecting rod and column portion left view structural representation.
In figure：1 trolley, 2 steel forms, 3 crossbeams, 4 staircases, 5 square steel, 6 columns, 7 diagonal braces, 8 connecting rods, 9 movable bearing supports, 10
Fence, 11 main hoppers, 12 main chutes, 13 separate hoppers, 14 diversion channels, 15 sub-material string buckets, 16 vibration boards, 17 shunting buckets, 18
Gate valve, 19 enter window chute, 20 chute slide plates.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides one kind two as shown in Figs. 1-2 lining sliding slots to enter mould constructing device, including trolley 1 by window, described
Trolley 1 includes steel form 2, and 2 inner cavity of the steel form is equipped with crossbeam 3, and 3 front side of the crossbeam is equipped with staircase 4, in 3 front side of crossbeam
Staircase 4 is installed, convenient working personnel are current up and down, and 3 bottom of the crossbeam is equipped with multiple square steel 5, and 5 both sides of the square steel are set
There are column 6,6 side wall of the column to be equipped with diagonal brace 7, run through on the column 6 and be equipped with multiple connecting rods 8, on the column 6, even
8 side wall of extension bar and 3 top of crossbeam are equipped with movable bearing support 9, and the crossbeam 3 is equipped with fence 10, and the crossbeam 3 is equipped with major ingredient
Bucket 11,11 bottom of the main hopper are equipped with main chute 12, and 12 top bottom of main chute is equipped with separate hopper 13, the separate hopper 13
Bottom is equipped with diversion channel 14, and 14 bottom end of the diversion channel is equipped with sub-material string bucket 15, and the sub-material string bucket 15 vibrates equipped with tablet
Device 16 installs vibration board 16 on shunting string bucket 15, avoids the limitation due to 13 height of separate hopper, can not accomplish completely
Gravity flow, shunting string bucket bottom end is equipped with shunting bucket 17, and the shunting bucket 17 is equipped with gate valve 18, by gate valve 18
The inflow and outflow into and out control concrete of plate, achieve the purpose that concrete directed flow, the shunting bucket 17
Bottom end is equipped with into window chute 19, it is described enter 19 bottom of window chute be equipped with chute slide plate 20, installation chute slide plate 20, it is ensured that enter window and slip
Slot 19 can move freely dismounting on tooling window and 1 platform of trolley, to accomplish can either concrete perfusion again can not
Influence the closing of tooling window.
The steel form 2 is set as arc-shaped, and the crossbeam 3 and column 6 may be contained within the top of 2 inner cavity of steel form, institute
5 top of square steel to be stated to fit with 3 bottom of crossbeam, the quantity of the column 6 is set as multiple and top and is fixedly connected with crossbeam 3,
7 one end of the diagonal brace is fixedly connected with 6 side wall of column and the other end is fixedly connected with 3 bottom of crossbeam, the number of the connecting rod 8
Amount is set as multiple and is arranged with 6 square crossing of column, and 9 end of the movable bearing support is fixedly connected with 2 inner wall of steel form.
The fence 10 is set at 3 top edge of crossbeam, and the main hopper 11 is set between fence 10, the sub-material
Bucket 13 and sub-material string bucket 15 may be contained in connecting rod 8, and the main chute 12 is obliquely installed, using the main chute being obliquely installed
12, facilitate concrete to shunt, 12 top of main chute is fixedly connected through crossbeam 3 with main hopper 11 and bottom is set to point
Right over hopper 13, the quantity of the diversion channel 14 and sub-material string bucket 15 is disposed as three, 14 top of the diversion channel with point
13 bottom of hopper connects and bottom end is set to the surface of sub-material string bucket 15, the shunting bucket 17, gate valve 18 and enters window and slips
The quantity of slot 19 is set as three times of 15 quantity of sub-material string bucket, 17 top of shunting bucket with detach the connection of string bucket and bottom end is set
Be placed in the surface into window chute 19, it is described enter window chute 19 be obliquely installed, it is described enter 19 bottom end of window chute be set to tooling window
In mouthful.
3 height of the crossbeam is 1.8m, determines that two layers of 1 podium level of trolley is 1.8m, worker is facilitated to carry out construction operation,
The crossbeam 3 is made of checkered steel plate material, and 5 horizontal spacing of the square steel is 50cm, longitudinal pitch 2m, the main hopper
11, separate hopper 13, main chute 12, diversion channel 14 and enter window chute 19 and be made of 3mm steel plates, select the steel plate progress of 3mm thickness
Main hopper 11 and separate hopper 13 make, and existing enough rigidity resists concrete pressure, prevents from leading to hopper because of concrete pressure
Deformation, cracking use to influence equipment, while reducing the waste of steel plate, and the shunting string bucket and shunting bucket 17 are by φ 200
Round steel pipe is made.
Operation principle of the present invention：The present apparatus at work, determines that two layers 1 podium level of trolley is 1.8m, facilitate worker into
Row construction operation selects checkered steel plate to make crossbeam 3, will be welded by movable bearing support 9 and 1 steel form 2 of trolley above checkered steel plate
It connecing, lower section and column 6,7 firm welding of diagonal brace, bottom is fixed using square steel 5, square steel 5 horizontal spacing 50cm, longitudinal pitch 2m,
In 3 installed in front staircase 4 of crossbeam, convenient working personnel are current up and down, and the steel plate of 3mm thickness is selected to carry out main hopper 11 and separate hopper
13 make, and existing enough rigidity resists concrete pressure, prevent from leading to hopper deformation, cracking because of concrete pressure, to shadow
It rings equipment to use, while reducing the waste of steel plate, main hopper 11 is installed on 3 top of crossbeam, using the main chute being obliquely installed
12, facilitate concrete to shunt, vibration board 16 is installed on shunting string bucket 15, avoids the limit due to 13 height of separate hopper
System, can not accomplish completely to flow automatically, in concreting process, by gate valve 18 plate it is mixed into and out control
The inflow and outflow for coagulating soil, achieve the purpose that concrete directed flow, installation chute slide plate 20, it is ensured that entering window chute 19 can be
Move freely dismounting on tooling window and 1 platform of trolley, to accomplish can either concrete perfusion can not influence tooling window again
The closing of mouth makes concrete pass through using delivery pump by the main hopper 11 of concrete pumping to 3 top of crossbeam by chutes at different levels
Main chute 12, separate hopper 13, diversion channel 14, shunting string bucket 15, shunting bucket 17 and enters window chute 19 and be guided to each tooling window, it is real
Existing concrete enters mould from the bottom to top, by window, layering symmetrically pours, continuous placing, it is ensured that two lining globalities and pouring quality, effectively
Reduce operating personnel's usage amount, mitigate operating personnel's labor intensity, phenomenon of not doing over again improves the construction quality of two linings
And construction efficiency, while efficiency is improved, so that labour cost expenditure is reduced.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (8)
1. one kind two serves as a contrast sliding slot enters mould constructing device, including trolley by window（1）, it is characterised in that：The trolley（1）Including punching block
Plate（2）, the steel form（2）Inner cavity is equipped with crossbeam（3）, the crossbeam（3）Front side is equipped with staircase（4）, the crossbeam（3）Bottom
Equipped with equipped with multiple square steel（5）, the square steel（5）Both sides are equipped with column（6）, the column（6）Side wall is equipped with diagonal brace（7）, institute
State column（6）It is upper to run through equipped with multiple connecting rods（8）, the column（6）Upper, connecting rod（8）Side wall and crossbeam（3）Top is all provided with
There is movable bearing support（9）, the crossbeam（3）It is equipped with fence（10）, the crossbeam（3）It is equipped with main hopper（11）, the major ingredient
Bucket（11）Bottom is equipped with main chute（12）, the main chute（12）Top bottom is equipped with separate hopper（13）, the separate hopper（13）Bottom
Portion is equipped with diversion channel（14）, the diversion channel（14）Bottom end is equipped with sub-material string bucket（15）, the sub-material string bucket（15）It is equipped with flat
Slab vibrator（16）, shunting string bucket bottom end is equipped with shunting bucket（17）, the shunting bucket（17）It is equipped with gate valve（18）, institute
State shunting bucket（17）Bottom end is equipped with into window chute（19）, it is described enter window chute（19）Bottom is equipped with chute slide plate（20）.
2. a kind of two linings sliding slot according to claim 1 enters mould constructing device by window, it is characterised in that：The steel form
（2）It is set as arc-shaped, the crossbeam（3）And column（6）It may be contained within steel form（2）The top of inner cavity, the square steel（5）Top
Portion and crossbeam（3）Bottom fits, the column（6）Quantity be set as multiple and top and crossbeam（3）It is fixedly connected.
3. a kind of two linings sliding slot according to claim 1 enters mould constructing device by window, it is characterised in that：The diagonal brace（7）
One end and column（6）Side wall is fixedly connected and the other end and crossbeam（3）Bottom is fixedly connected, the connecting rod（8）Quantity
It is set as multiple and and column（6）Square crossing is arranged, the movable bearing support（9）End and steel form（2）Inner wall is fixedly connected.
4. a kind of two linings sliding slot according to claim 1 enters mould constructing device by window, it is characterised in that：The fence（10）
It is set to crossbeam（3）At top edge, the main hopper（11）It is set to fence（10）Between, the separate hopper（13）And sub-material
String bucket（15）It may be contained within connecting rod（8）On.
5. a kind of two linings sliding slot according to claim 1 enters mould constructing device by window, it is characterised in that：The main chute
（12）It is obliquely installed, the main chute（12）Crossbeam is run through on top（3）With main hopper（11）It is fixedly connected and bottom is set to
Separate hopper（13）Surface.
6. a kind of two linings sliding slot according to claim 1 enters mould constructing device by window, it is characterised in that：The diversion channel
（14）With sub-material string bucket（15）Quantity be disposed as three, the diversion channel（14）Top and separate hopper（13）Bottom connection with
And bottom end is set to sub-material string bucket（15）Surface.
7. a kind of two linings sliding slot according to claim 1 enters mould constructing device by window, it is characterised in that：The shunting bucket
（17）, gate valve（18）With enter window chute（19）Quantity be set as sub-material string bucket（15）Three times of quantity, the shunting bucket
（17）Top with detach string bucket connection and bottom end be set into window chute（19）Surface, it is described enter window chute（19）It tilts
Setting, it is described enter window chute（19）Bottom end is set in tooling window.
8. a kind of two linings sliding slot according to claim 1 enters mould constructing device by window, it is characterised in that：The crossbeam（3）
Height is 1.8m, the crossbeam（3）It is made of checkered steel plate material, the square steel（5）Horizontal spacing is 50cm, and longitudinal pitch is
2m, the main hopper（11）, separate hopper（13）, main chute（12）, diversion channel（14）With enter window chute（19）By 3mm steel plate systems
At the shunting string bucket and shunting bucket（17）It is made of 200 round steel pipes of φ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102428.5A CN108457671A (en) | 2018-02-01 | 2018-02-01 | One kind two serves as a contrast sliding slot and enters mould constructing device by window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102428.5A CN108457671A (en) | 2018-02-01 | 2018-02-01 | One kind two serves as a contrast sliding slot and enters mould constructing device by window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108457671A true CN108457671A (en) | 2018-08-28 |
Family
ID=63238556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810102428.5A Pending CN108457671A (en) | 2018-02-01 | 2018-02-01 | One kind two serves as a contrast sliding slot and enters mould constructing device by window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108457671A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700854A (en) * | 2019-08-16 | 2020-01-17 | 中铁十二局集团有限公司 | Tunnel secondary lining vault concrete longitudinal continuous pouring construction method |
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|---|---|---|---|---|
| JP2012162891A (en) * | 2011-02-04 | 2012-08-30 | Taisei Corp | Underground structure |
| CN202417520U (en) * | 2011-11-27 | 2012-09-05 | 中铁十二局集团第一工程有限公司 | Concrete pumping distribution device used in construction of secondary linings of tunnel |
| CN106499410A (en) * | 2016-11-13 | 2017-03-15 | 中铁十局集团第工程有限公司 | Tunnel-liner side wall concrete is by window placement layer by layer method |
| CN106761828A (en) * | 2016-12-29 | 2017-05-31 | 中铁十九局集团第工程有限公司 | A kind of lining trolley |
| CN107060830A (en) * | 2017-06-09 | 2017-08-18 | 中铁十七局集团第五工程有限公司 | Single-track tunnel secondary lining concrete pours device and its construction method by window |
| CN206769918U (en) * | 2017-04-12 | 2017-12-19 | 中铁十二局集团有限公司 | Tunnel lining trolley concrete pours chute by window |
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2018
- 2018-02-01 CN CN201810102428.5A patent/CN108457671A/en active Pending
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|---|---|---|---|---|
| JP2012162891A (en) * | 2011-02-04 | 2012-08-30 | Taisei Corp | Underground structure |
| CN202417520U (en) * | 2011-11-27 | 2012-09-05 | 中铁十二局集团第一工程有限公司 | Concrete pumping distribution device used in construction of secondary linings of tunnel |
| CN106499410A (en) * | 2016-11-13 | 2017-03-15 | 中铁十局集团第工程有限公司 | Tunnel-liner side wall concrete is by window placement layer by layer method |
| CN106761828A (en) * | 2016-12-29 | 2017-05-31 | 中铁十九局集团第工程有限公司 | A kind of lining trolley |
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| CN107060830A (en) * | 2017-06-09 | 2017-08-18 | 中铁十七局集团第五工程有限公司 | Single-track tunnel secondary lining concrete pours device and its construction method by window |
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| Title |
|---|
| 五新隧装: "施工进度超前一年半！中铁十二局蒙华铁路万荣隧道施工经验介绍", 《搜狐科技》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700854A (en) * | 2019-08-16 | 2020-01-17 | 中铁十二局集团有限公司 | Tunnel secondary lining vault concrete longitudinal continuous pouring construction method |
| CN110700854B (en) * | 2019-08-16 | 2022-02-15 | 中铁十二局集团有限公司 | Tunnel secondary lining vault concrete longitudinal continuous pouring construction method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180828 |
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| RJ01 | Rejection of invention patent application after publication |