CN107953161A - A kind of outer wall of steel pipe sanding apparatus - Google Patents
A kind of outer wall of steel pipe sanding apparatus Download PDFInfo
- Publication number
- CN107953161A CN107953161A CN201711411321.0A CN201711411321A CN107953161A CN 107953161 A CN107953161 A CN 107953161A CN 201711411321 A CN201711411321 A CN 201711411321A CN 107953161 A CN107953161 A CN 107953161A
- Authority
- CN
- China
- Prior art keywords
- roller
- steel pipe
- wall
- support
- stent
- 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 title claims abstract description 37
- 239000010959 steel Substances 0.000 title claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000005498 polishing Methods 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims description 33
- 238000007906 compression Methods 0.000 claims description 33
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 14
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000007517 polishing process Methods 0.000 description 4
- 230000005526 G1 to G0 transition Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 244000137852 Petrea volubilis Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/002—Grinding heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/12—Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention provides a kind of outer wall of steel pipe sanding apparatus, including adjustment bar, grinding head, the 4th stent, roller, the second motor, workbench and pipeline mechanism；The roller is fixedly welded on inside clutch shaft bearing, and the roller is connected with the second motor output shaft by belt；One end of the adjustment bar is by passing through the side wall of roller to drum inside on the outside of roller, the adjustment bar has two, and described two adjustment bars are arranged in same vertical guide, and relative to cylinder axis central symmetry；The grinding head is arranged on one end that adjustment bar is directed toward cylinder axis.The outer wall of steel pipe that grinding head of the present invention sends out pipeline mechanism with circular trace rotary motion carries out quick all standing polishing.
Description
Technical field
The invention belongs to technical field of mechanical processing, more particularly, to a kind of outer wall of steel pipe sanding apparatus.
Background technology
Various types of steel pipes before use some need grinding process, polishing is one kind of process for modifying surface, generally
Refer to one kind that sand paper by rough object or containing higher hardness particle etc. to change by rubbing material surface physical property
Processing method, main purpose are to obtain particular surface roughness and glossiness.
The content of the invention
In view of this, the present invention is directed to propose a kind of outer wall of steel pipe sanding apparatus, with rotating grinding head, to outer wall of steel pipe
Carry out quick all standing polishing.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
Outer wall of steel pipe sanding apparatus is made of workpiece polishing mechanism, pipeline mechanism and pedestal；
The workpiece polishing mechanism includes first support, clutch shaft bearing, adjustment bar, grinding head, the 4th stent, roller, second
Motor, workbench and locating ring；The first support is four-prism, from top to bottom sequentially passes through workbench and positioning
Ring, the first support surface in the vertical direction are provided with some location holes, and the locating ring is provided with positioning pin, institute
The positioning pin stated is in the locating ring insertion location hole；Second motor is fixedly welded on workbench
Upper surface；One end of 4th stent is fixedly welded on workbench sidepiece, and the other end is fixedly welded on outside clutch shaft bearing；
The roller is fixedly welded on inside clutch shaft bearing, and the roller is connected with the second motor output shaft by belt；Institute
State one end of adjustment bar by the outside of roller through roller side wall to drum inside, the adjustment bar has two, described two
Adjustment bar is arranged in same vertical guide, and relative to cylinder axis central symmetry；The grinding head is arranged on adjustment bar and refers to
To one end of cylinder axis；
The pipeline mechanism determines including second support, the 3rd stent, the first motor, the first locating wheel, second
Position wheel, long through-hole and compression bar；The second support first locating wheel arranged in parallel with the 3rd stent, second are determined
Position wheel is arranged between the second support and the 3rd stent, and in same level；The compression bar is horizontally set on
Between the second support and the 3rd stent, and compression bar axis is put down in first locating wheel and the symmetrical of the second locating wheel
In face, long through-hole is offered in compression bar and second support, the junction of the 3rd stent；First motor is passed by belt
It is defeated power to be delivered to first locating wheel；
The first support, second support, the 3rd stent are fixedly welded on the pedestal upper surface, and the rolling
The axis of cylinder is directly over first locating wheel and the second locating wheel.
Further, the adjustment bar is marked with dimension line, and the dimension line extends along the adjustment rod axis direction.
Further, the grinding head and adjustment bar are screwed connection.
Further, the grinding head is hemispherical.
Further, second bearing, the second bearing inner side and the compression bar stationary phase are equipped with the middle part of the compression bar
Even.
Further, be provided with spring at the long through-hole, the vertical upper surface for being arranged on compression bar of the spring with
Between long through-hole roof.
Further, the pedestal upper surface is provided with scrap storage box, and the scrap storage box is arranged on immediately below roller.
Relative to the prior art, outer wall of steel pipe sanding apparatus of the present invention has the advantage that：
(1) grinding head of the present invention is around processing outer wall of steel pipe rotation, and the pipeline mechanism is processing steel
Pipe is pushed ahead glibly so that this outer wall of steel pipe sanding apparatus can carry out quick all standing polishing to outer wall of steel pipe.
(2) dimension line set on adjustment bar of the present invention along adjustment rod axis direction so that process operation process is more
Add simple.
(3) grinding head of the present invention with adjustment bar be screwed connection, facilitate grinding head to replace, reduction mechanical movement into
This.
(4) grinding head of the present invention is hemispherical, and the substantial work point of buffed surface gradually reduces in polishing process so that
Polishing process is more smooth.
(5) second bearing, the second bearing inner side and the compression bar stationary phase are equipped with the middle part of compression bar of the present invention
Even, contacted on the outside of the second bearing with the outer wall of steel pipe processed, when processed steel pipe forwards, reduce steel pipe transmission
The resistance of process.
(6) compression bar of the present invention is being provided with spring with long through-hole junction, the spring it is vertical be arranged on pressure
Between the upper surface of bar and long through-hole roof, pull up compression bar and processed steel pipe is put under compression bar, unclamp compression bar after compression bar
Understand automatic impaction compression bar under spring force.
(7) pedestal upper surface of the present invention is provided with scrap storage box, and the scrap storage box is arranged on immediately below roller, processing
The remaining bits of polishing can be fallen into scrap storage box, easy to keep working environment to clean.
Brief description of the drawings
The attached drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its explanation is used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the outer wall of steel pipe sanding apparatus front view described in the embodiment of the present invention；
Fig. 2 is the outer wall of steel pipe sanding apparatus top view described in the embodiment of the present invention；
Fig. 3 is the partial enlarged view of the roller described in the embodiment of the present invention.
Description of reference numerals：
1st, pedestal；2nd, first support；3rd, second support；4th, scrap storage box；5th, the 3rd stent；6th, the first motor；7th, first
Locating wheel；8th, compression bar；9th, clutch shaft bearing；10th, bar is adjusted；11st, grinding head；12nd, the 4th stent；13rd, second bearing；14th, roller；
15th, the second motor；16th, workbench；17th, locating ring；18th, the second locating wheel；19th, long through-hole；20th, spring.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for description purpose, and it is not intended that instruction or hint phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Below with reference to the accompanying drawings and the present invention will be described in detail in conjunction with the embodiments.
As depicted in figs. 1 and 2, outer wall of steel pipe sanding apparatus is made of workpiece polishing mechanism, pipeline mechanism and pedestal 1；
Workpiece polishing mechanism include first support 2, clutch shaft bearing 9, adjustment bar 10, grinding head 11, the 4th stent 12, roller 14,
Second motor 15, workbench 16 and locating ring 17；First support 2 is four-prism, from top to bottom sequentially passes through workbench 16
With locating ring 17,2 surface in the vertical direction of first support is provided with some location holes, and locating ring 17 is provided with positioning pin, fixed
Position pin is inserted into through locating ring 17 in the location hole；Second motor 15 is fixedly welded on 16 upper surface of workbench；4th
One end of stent 12 is fixedly welded on 16 sidepiece of workbench, and the other end is fixedly welded on outside clutch shaft bearing 9；Roller 14 fixes weldering
It is connected on inside clutch shaft bearing 9, roller 14 is connected with 15 output shaft of the second motor by belt.
As shown in figure 3, one end of adjustment bar 10 passes through the side wall of roller 14 to adjust bar to drum inside by the outside of roller 14
10 are marked with dimension line, and dimension line is along the extension of adjustment rod axis direction, and adjustment bar 10 has two, and two adjustment bars 10 are arranged on same
In vertical guide, and it is symmetrical relative to 14 axis centre of roller；Grinding head 11 is arranged on adjustment bar 10 and is directed toward the one of 14 axis of roller
End.Grinding head 11 of the present invention is screwed connection with adjustment bar 10, facilitates grinding head 11 to replace, and reduces mechanical movement cost.This hair
Bright grinding head 11 is hemispherical, and the substantial work point of buffed surface gradually reduces in polishing process so that polishing process is more smooth.
As depicted in figs. 1 and 2, it is fixed to include second support 3, the 3rd stent 5, the first motor 6, first for pipeline mechanism
Position the 7, second locating wheel 18 of wheel, long through-hole 19 and compression bar 8；3 and the 3rd stent of second support, 5 first locating wheel arranged in parallel
7th, the second locating wheel 18 is arranged between 3 and the 3rd stent 5 of second support, and in same level；Compression bar 8 is horizontally set on
Between 3 and the 3rd stent 5 of second support, and 8 axis of compression bar is in the symmetrical plane of the first locating wheel 7 and the second locating wheel 18；
The middle part of compression bar 8 is equipped with second bearing 13, and the inner side of second bearing 13 is fixedly linked with compression bar 8, and the outside of second bearing 13 is with being processed
Outer wall of steel pipe contact, when process steel pipe forwards, reduction steel pipe transmission process resistance；In compression bar 8 and second
Frame 3, the junction of the 3rd stent 5 offer long through-hole 19；Spring 20 is provided with long through-hole 19, spring 20 is vertical to be arranged on
Between 8 upper surface of compression bar and long through-hole roof；Power is delivered to the first locating wheel 7 by the first motor 6 by belt transport；
First support 2, second support 3, the 3rd stent 5 are fixedly welded on 1 upper surface of pedestal, and the axis of roller 14 is
Directly over one locating wheel 7 and the second locating wheel 18.Preferable 1 upper surface of pedestal is provided with scrap storage box 4, and scrap storage box 4 is arranged on rolling
Immediately below cylinder, processing the remaining bits of polishing can fall into scrap storage box 4, easy to keep working environment to clean.
According to the diameter for the steel pipe that to polish before processing, observation adjusts the dimension line adjustment adjustment bar 10 on bar 10, then adjusts
Save the positioning pin on locating ring 17,16 height of adjustment workbench so that the conduit axis and roller that pipeline mechanism is conveyed
14 axis overlap.Pull up compression bar 8 to be put into the first locating wheel 7 and the second locating wheel 18 steel pipe of required processing, compression bar 8
The spring on top promotes compression bar 8 to compress institute's conveying steel pipe.The first motor 6 is opened, 6 power of the first motor is through belt transport system
System passes to the first locating wheel 7, and the first locating wheel 7 drives steel pipe to move forwards.The second motor 15 is opened, the second motor 15 is dynamic
Power is transferred to roller 14 through belt.Grinding head 11 starts to set circular trace rotation in roller 14, and all standing polishing pipeline is defeated
Send the outer wall of steel pipe that mechanism is transmitted.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (7)
- A kind of 1. outer wall of steel pipe sanding apparatus, it is characterised in that：The outer wall of steel pipe sanding apparatus is defeated by workpiece polishing mechanism, pipeline Mechanism and pedestal (1) is sent to form；The workpiece polishing mechanism includes first support (2), clutch shaft bearing (9), adjustment bar (10), grinding head (11), the 4th stent (12), roller (14), the second motor (15), workbench (16) and locating ring (17)；The first support (2) is positive tetragonous Column, from top to bottom sequentially passes through workbench (16) and locating ring (17), and the first support (2) surface in the vertical direction is set Some location holes are equipped with, the locating ring (17) is provided with positioning pin, and the positioning pin runs through the locating ring (17) In the insertion location hole；Second motor (15) is fixedly welded on workbench (16) upper surface；Described the 4th One end of stent (12) is fixedly welded on the sidepiece of workbench (16), and it is exterior that the other end is fixedly welded on clutch shaft bearing (9)；It is described Roller (14) be fixedly welded on that clutch shaft bearing (9) is internal, and the roller (14) passes through with the second motor (15) output shaft Belt connects；One end of the adjustment bar (10) is described by passing through the side wall of roller (14) on the outside of roller (14) to drum inside Adjustment bar (10) have two, described two adjustment bars (10) are set in same vertical guides, and relative in roller (14) axis The heart is symmetrical；The grinding head (11) is arranged on one end that adjustment bar (10) is directed toward roller (14) axis；The pipeline mechanism includes second support (3), the 3rd stent (5), the first motor (6), the first locating wheel (7), the second locating wheel (18) and compression bar (8)；The second support (3) and the 3rd stent (5) is arranged in parallel；Described First locating wheel (7), the second locating wheel (18) are arranged between the second support (3) and the 3rd stent (5), and same On horizontal plane；The compression bar (8) is horizontally set between the second support (3) and the 3rd stent (5), and compression bar (8) Axis in the symmetrical plane of first locating wheel (7) and the second locating wheel (18), compression bar (8) and second support (3), The place of connecing of 3rd stent (5) offers long through-hole (19)；First motor (6) is delivered to power by belt transport First locating wheel (7)；The first support (2), second support (3), the 3rd stent (5) are fixedly welded on described pedestal (1) upper surface, and The axis of the roller (14) is directly over first locating wheel (7) and the second locating wheel (18).
- 2. outer wall of steel pipe sanding apparatus according to claim 1, it is characterised in that：The adjustment bar (10) is marked with ruler Very little line, the dimension line extend along the adjustment rod axis direction.
- 3. outer wall of steel pipe sanding apparatus according to claim 1, it is characterised in that：The grinding head (11) and adjustment bar (10) it is screwed connection.
- 4. outer wall of steel pipe sanding apparatus according to claim 1, it is characterised in that：The grinding head (11) is hemisphere Shape.
- 5. outer wall of steel pipe sanding apparatus according to claim 1, it is characterised in that：The is equipped with the middle part of the compression bar (8) Two bearings (13), second bearing (13) inner side are fixedly linked with the compression bar (8).
- 6. outer wall of steel pipe sanding apparatus according to claim 1, it is characterised in that：Long through-hole (19) place is provided with spring (20), between the vertical upper surface for being arranged on compression bar (8) of the spring (20) and long through-hole roof.
- 7. outer wall of steel pipe sanding apparatus according to claim 1, it is characterised in that：Described pedestal (1) upper surface part is set Scrap storage box (4) is equipped with, the scrap storage box (4) is arranged on immediately below roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711411321.0A CN107953161A (en) | 2017-12-23 | 2017-12-23 | A kind of outer wall of steel pipe sanding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711411321.0A CN107953161A (en) | 2017-12-23 | 2017-12-23 | A kind of outer wall of steel pipe sanding apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107953161A true CN107953161A (en) | 2018-04-24 |
Family
ID=61955881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711411321.0A Pending CN107953161A (en) | 2017-12-23 | 2017-12-23 | A kind of outer wall of steel pipe sanding apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107953161A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113211195A (en) * | 2021-06-04 | 2021-08-06 | 储著华 | Anticorrosion and antirust treatment method for manufacturing bridge pier steel structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1458055A (en) * | 1973-03-02 | 1976-12-08 | Krupp Ag Huettenwerke | Process for re-grinding a roller which has become unevenly heated along its overall length by the rolling process |
| CN201091999Y (en) * | 2007-07-11 | 2008-07-30 | 佛山市工科机电有限公司 | Spring pressure roller holding apparatus |
| CN201415349Y (en) * | 2009-03-02 | 2010-03-03 | 宋树建 | Full automatic grinding and polishing device for round bars |
| CN201889680U (en) * | 2010-10-19 | 2011-07-06 | 江苏贝斯特数控机械有限公司 | Flexible dragging device for grinding head of knife grinder |
| CN205465497U (en) * | 2016-03-07 | 2016-08-17 | 松阳上上德盛不锈钢有限公司 | Steel pipe polishing device |
| CN205703535U (en) * | 2016-06-27 | 2016-11-23 | 温州市博众不锈钢有限公司 | A kind of stainless steel tube sanding and polishing device |
| CN207746827U (en) * | 2017-12-23 | 2018-08-21 | 天津建通管业有限公司 | A kind of outer wall of steel pipe sander |
-
2017
- 2017-12-23 CN CN201711411321.0A patent/CN107953161A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1458055A (en) * | 1973-03-02 | 1976-12-08 | Krupp Ag Huettenwerke | Process for re-grinding a roller which has become unevenly heated along its overall length by the rolling process |
| CN201091999Y (en) * | 2007-07-11 | 2008-07-30 | 佛山市工科机电有限公司 | Spring pressure roller holding apparatus |
| CN201415349Y (en) * | 2009-03-02 | 2010-03-03 | 宋树建 | Full automatic grinding and polishing device for round bars |
| CN201889680U (en) * | 2010-10-19 | 2011-07-06 | 江苏贝斯特数控机械有限公司 | Flexible dragging device for grinding head of knife grinder |
| CN205465497U (en) * | 2016-03-07 | 2016-08-17 | 松阳上上德盛不锈钢有限公司 | Steel pipe polishing device |
| CN205703535U (en) * | 2016-06-27 | 2016-11-23 | 温州市博众不锈钢有限公司 | A kind of stainless steel tube sanding and polishing device |
| CN207746827U (en) * | 2017-12-23 | 2018-08-21 | 天津建通管业有限公司 | A kind of outer wall of steel pipe sander |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113211195A (en) * | 2021-06-04 | 2021-08-06 | 储著华 | Anticorrosion and antirust treatment method for manufacturing bridge pier steel structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information |
Address after: 300451 Tianjin Binhai New Area high-tech zone Tanggu marine science and Technology Park Huashan road 409 Applicant after: TIANJIN JIANTONG PIPE INDUSTRY Co.,Ltd. Address before: 300451 Tianjin Binhai New Area high-tech zone Tanggu marine science and Technology Park Huashan road 409 Applicant before: TIANJIN TANGGU DISTRICT JIANTONG ANTISEPSIS & HEAT PRESERVATION Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| 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: 20180424 |