CN113276058B - Portable flexible lining pipe joint installation device - Google Patents
Portable flexible lining pipe joint installation device Download PDFInfo
- Publication number
- CN113276058B CN113276058B CN202110384709.6A CN202110384709A CN113276058B CN 113276058 B CN113276058 B CN 113276058B CN 202110384709 A CN202110384709 A CN 202110384709A CN 113276058 B CN113276058 B CN 113276058B
- Authority
- CN
- China
- Prior art keywords
- jack
- joint
- cross brace
- sleeve
- lining pipe
- 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.)
- Active
Links
- 238000009434 installation Methods 0.000 title claims abstract description 24
- 238000011900 installation process Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000001788 irregular Effects 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention provides a portable flexible lining pipe joint mounting device, which solves the problems of lack of professional tools, high working hours and irregular operation in the mounting process of the conventional flexible lining pipe joint. According to engineering practice, the flexible lining pipe joint is modified in a targeted mode by adopting common tools on the market, the cost is low, the manufacturing difficulty is low, mass production can be easily realized, the mounting difficulty of the flexible lining pipe joint is reduced, the mounting precision of the flexible lining pipe joint is increased, and the working efficiency is improved. This installation device includes: the device comprises a jack, a top disc, a bottom cross brace, a top cross brace, a bottom cross brace and a bottom cross brace, wherein the jack is used for providing driving force in the installation process, the top disc is connected with the top cross brace and the jack, the bottom cross brace is connected with the bottom cross brace and the jack, the top cross brace comprises a multistage cross brace and a threaded rod sleeve, and the bottom cross brace comprises a multistage cross brace. The invention has small volume, can be disassembled and is convenient to transport; the whole device is simple to operate, high in field installation speed and convenient to maintain, and can provide a more specialized and standardized operation flow for the installation of the flexible lining pipe joint.
Description
Technical Field
The invention relates to the field of installation of flexible pipe joints, in particular to a joint designed into an inner sleeve and an outer sleeve.
Background
The first generation of oil and water pipelines are all based on steel metal pipelines and are in service for many years, and the phenomena of corrosion and aging of pipelines, reduction of pressure bearing performance and insufficient supply capacity are faced. And the new pipeline is paved again, so that the construction period is long, the risk is uncontrollable, and the capital investment is large. Aiming at the situation, the research and the application of the composite flexible pipeline are aimed at home and abroad, and the inner lining pipe inserting technology based on the composite flexible pipeline is mature and becomes a preferred scheme for modifying a plurality of aging pipelines. Therefore, the invention designs a set of mounting device suitable for the flexible lining pipe joint, and provides a set of refined and standardized operation modes for the connection, sealing and fixation of the end part of the lining pipe.
The invention solves the problems of operability and standardability when the lower flexible lining pipe is installed at the joint, and provides a set of device with strong adaptability for the installation of the flexible lining pipe joint. The invention has the advantages of detachable folding, convenient transportation and simple installation, and the sectional structure can be suitable for lining pipes and joints with different sizes, thereby simplifying the installation process and shortening the installation time.
SUMMARY OF THE PATENT FOR INVENTION
The invention provides a portable flexible lining pipe joint installation device, which solves the problem of lack of professional tools in the existing installation process, establishes a standardized operation flow for the installation of a joint, is beneficial to refined and standardized operation, simplifies the installation flow, shortens the installation time, and improves the installation quality and efficiency.
The technical scheme of the invention is realized as follows: the device comprises a joint outer sleeve, a joint inner sleeve, a jack, a top disc, a chassis and a threaded rod;
the flexible inner lining pipe is a composite material pipe, and the specific specification of the flexible inner lining pipe is selected according to the actual engineering requirement;
the connector outer sleeve is sleeved on the connector inner sleeve, the connector outer sleeve and the connector inner sleeve are both provided with end flanges, and a plurality of threaded holes with the same specification are formed in the end flanges along the circumferential direction of the end flanges; the inner sleeve and the outer sleeve of the joint are metal parts and are correspondingly selected and matched according to the specification of the flexible lining pipe;
the jack is used for providing driving force in the installation process;
the jacking disc is arranged on a piston of the jack and comprises a jacking disc base fixed on the jack and a jacking disc cross brace arranged on the jacking disc base, and a jacking disc screw sleeve is arranged at the end part of the jacking disc cross brace;
the chassis is used for fixing the jack and comprises a chassis base used for installing the jack, the size of the chassis base is manufactured according to the size of the jack, and a chassis cross brace used for fixing the chassis base on the joint inner sleeve is arranged on the chassis base;
the threaded rod sequentially penetrates through the joint outer sleeve threaded hole, the joint inner sleeve threaded hole and the top disc screw sleeve, is connected with the top disc screw sleeve, the joint inner sleeve and the joint outer sleeve, and conducts the piston force of the jack.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the jack is a common hydraulic or pneumatic jack on the market, and two symmetrically arranged clamping grooves are arranged on two sides of the top of a piston of the jack. On one hand, the flexible inner lining pipe is convenient to be sleeved on the joint inner sleeve, on the other hand, the top disc and the jack are prevented from relatively slipping in the assembling process for positioning the top disc base.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the top disc base is a steel disc matched with the size of the jack piston, and two buckles matched with the jack clamping grooves are arranged at the bottom of the top disc base. The buckle is used for fixing the top disc base on the jack piston.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the two top plate cross braces are fixed on the top plate base through non-pre-tightening bolts, the top plate cross brace is of a multi-section telescopic structure, and the top plate cross brace rotates around the non-pre-tightening bolts.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the top disc screw sleeve is a detachable sleeve and is used for adapting to threaded rods with different specifications.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the chassis cross braces are provided with two cross braces, the cross braces are fixed on the chassis base through non-pre-tightening bolts, and the cross braces of the chassis are of a multi-section telescopic structure and rotate around the non-pre-tightening bolts.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the detachable chassis buckle is arranged at the end part of the chassis cross arm and is matched with the threaded hole of the joint inner sleeve to play a role in fixing the jack.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the threaded rod sequentially passes through the threaded hole of the joint outer sleeve, the threaded hole of the joint inner sleeve and the top disc screw sleeve, the threaded rod on the outer side of the top disc screw sleeve is provided with an upper nut, the threaded rod on the outer side of the joint outer sleeve is provided with a lower nut, and the connection between the top disc cross brace and the joint outer sleeve is realized under the constraint of the upper nut and the lower nut.
After the technical scheme is adopted, the beneficial effects of the invention are as follows:
the jack can be selected to be matched with a plurality of types, the top disc cross brace and the chassis cross brace are of telescopic structures and are convenient to transport, the top disc screw sleeve is detachable from the chassis buckle, corresponding structural parts can be selected according to joint forms of different specifications, and the jack is wide in applicability and low in cost.
In addition, according to engineering practice, the device is pertinently modified by common tools on the market, the cost is low, the manufacturing difficulty is low, mass production can be easily realized, the mounting difficulty of the flexible lining pipe joint is reduced, the mounting precision of the flexible lining pipe joint is increased, and the working efficiency is improved.
The device has small volume, can be disassembled and is convenient to transport; the whole device has the advantages of convenient raw material purchase, low manufacturing difficulty, simple operation, high field installation speed and convenient maintenance, and can provide a more specialized and standardized operation flow for the installation of the flexible lining pipe joint.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive exercise.
FIG. 1 is a general arrangement of the present invention patent FIG. 1;
FIG. 2 is a general layout diagram of the first step of the embodiment of the present invention;
FIG. 3 is a general layout diagram of the second step of the embodiment of the present invention;
FIG. 4 is a general layout diagram of the second step of the embodiment of the present invention;
FIG. 5 is a general layout of the mounting apparatus of the present patent;
FIG. 6 is a side view of the mounting device of the present invention;
FIG. 7 is a top view of the mounting device of the present invention;
FIG. 8 is a bottom view of the mounting device of the present invention;
FIG. 9 is a top tray layout of the mounting device of the present invention patent;
FIG. 10 is a bottom plan view of the top plate of the mounting device of the present invention;
FIG. 11 is a jack snap-fit view of the mounting device of the present patent;
FIG. 12 is a layout view of a chassis of the mounting device of the present invention patent;
in the figure: 1-flexible lining pipe; 2-a joint outer sleeve; 3-a joint inner sleeve; 4-flexible inner lining pipe traction belt; 5-a chassis base; 6-a jack; 7-a top tray base; 8-top disk screw sleeve; 9-top plate cross brace; 10-top disk non-pre-tightened bolt; 11-base plate buckle; 12-a chassis wale; 13-top plate buckling; 14-jack piston neck; 15-chassis non-pre-tightened bolts; 16-a threaded rod; 17-upper nut; 18-lower nut.
Detailed description of the invention
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
The embodiment is as follows:
as shown in fig. 1 to 12, there is shown an embodiment of the portable flexible inner joint connecting device of the present invention, which comprises an outer joint sleeve 2, a flexible inner joint pipe 1 and an inner joint sleeve 3, which are connected in sequence. The flexible inner lining pipe 1 is connected with a jack piston clamping groove 14 through an inner lining pipe traction belt 4, the jack 6 is installed on the chassis base 5, and the chassis base 5 is fixed on a threaded hole of a flange at the end part of the joint inner sleeve 3 through a chassis cross brace 12 and a chassis buckle 11. The top disc base 7 is connected with a jack piston clamping groove 14 through a top disc buckle 13, a threaded rod 16 sequentially penetrates through threaded holes of the inner sleeve and the outer sleeve of the joint and a top disc screw sleeve 8, and the top disc cross brace 9 is connected with the outer sleeve 2 of the joint under the constraint of an upper nut 17 and a lower nut 18.
As shown in fig. 2, it is the first implementation step of the present invention patent: assembling the joint inner sleeve 3 with the flexible inner lining tube 1. Firstly, the length and the angle of a chassis cross brace 12 are adjusted according to the size of the end flange of the inner sleeve, and a proper chassis buckle 11 is selected and installed at the end part of the chassis cross brace 12, so that the chassis cross brace can be matched with a threaded hole of the end flange of the inner sleeve to achieve the purpose of fixing the chassis base 5. Install jack 6 to the chassis base after chassis base 5 is fixed, will tailor in advance and draw area 4 in the flexible bushing that reserves and bypass joint inner skleeve tip flange, be connected with jack piston draw-in groove 14, through exerting interior pressure to the jack, make jack piston draw-in groove 14 outwards move, and draw area 4 pulling flexible bushing 1 in the flexibility through the flexible bushing and move to joint inner skleeve 3 tip, reach the purpose of the assembly of bushing 1 in the flexibility and joint inner skleeve 3, treat that first implementation step needs to cut out flexible bushing and draw area 4 after accomplishing.
As shown in fig. 3 and fig. 4, the second implementation step of the present invention patent is: the joint outer sleeve 2 is assembled. After the first implementation step is completed, firstly adjusting the distance and the angle of the joint outer sleeve 2 to enable the threaded hole to correspond to the threaded hole of the joint inner sleeve, connecting the joint inner sleeve and the joint outer sleeve through a threaded rod 16, simultaneously installing a top disc base 7, corresponding to the positions of a top disc buckle 13 and a jack piston clamping groove 14, adjusting the length and the angle of a top disc cross brace 9 to enable the threaded rod 16 to penetrate through a top disc threaded sleeve 8, finally constraining the relative sliding between the top disc cross brace 9 and the threaded rod 16 through an upper nut 17, and constraining the relative sliding between the joint outer sleeve 2 and the threaded rod through a lower nut 18. And internal pressure is applied to the jack, pressure is transmitted to the top disc cross brace 9 through the top disc base 7, force is transmitted to the threaded rod 16 under the restraint of the top disc threaded sleeve 8 and the upper nut, and finally, the pressure is acted on the joint outer sleeve 2 under the action of the lower nut 18 to drive the assembly between the joint outer sleeve 2 and the joint inner sleeve 3.
The portable flexible lining pipe joint mounting device is simple in structure and convenient to manufacture. The design of the telescopic and rotatable crossbars 9 and 12 and the detachable top disc screw sleeve 8 and the detachable bottom disc buckle 11 can be adapted to joints with different calibers, and threaded rods 16 with different specifications can be conveniently selected and matched. Split type design: the top plate, the jack and the chassis are convenient to transport and maintain, and have good practicability and applicability.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a portable flexible inside lining coupling installation device which characterized in that: the device comprises a joint outer sleeve, a joint inner sleeve, a jack, a top disc, a chassis and a threaded rod;
the connector inner sleeve is used for sleeving the flexible inner lining pipe, and a traction belt is arranged on the flexible inner lining pipe;
the connector outer sleeve is sleeved on the connector inner sleeve, the connector outer sleeve and the connector inner sleeve are both provided with end flanges, and a plurality of threaded holes with the same specification are formed in the end flanges along the circumferential direction of the end flanges;
the jack is used for providing driving force in the installation process, and two symmetrically-arranged clamping grooves are arranged on two sides of the top of a piston of the jack;
the jacking disc is arranged on a piston of the jack and comprises a jacking disc base fixed on the jack and a jacking disc cross brace arranged on the jacking disc base, and a jacking disc screw sleeve is arranged at the end part of the jacking disc cross brace;
the chassis is used for fixing the jack and comprises a chassis base for mounting the jack, and a chassis cross brace for fixing the chassis base on the joint inner sleeve is arranged on the chassis base;
the threaded rod sequentially penetrates through the joint outer sleeve threaded hole, the joint inner sleeve threaded hole and the top disc screw sleeve, is connected with the top disc screw sleeve, the joint inner sleeve threaded hole and the joint outer sleeve, and conducts the force of the jack piston;
the flexible lining pipe traction belt reserved by pre-cutting bypasses a flange at the end part of the joint inner sleeve and is connected with the jack piston clamping groove, internal pressure is applied to the jack, the jack piston clamping groove moves outwards, and the flexible lining pipe is pulled by the flexible lining pipe traction belt to move towards the end part of the joint inner sleeve, so that the purpose of assembling the flexible lining pipe and the joint inner sleeve is achieved.
2. The portable flexible lined pipe joint installation apparatus of claim 1, wherein the jack is a hydraulic or pneumatic jack.
3. The portable flexible liner joint installation of claim 2, wherein the top plate base is a steel disc adapted to the size of the jack piston, and a snap-fit to fit the jack catch is installed on the bottom of the top plate base.
4. The portable flexible lined pipe joint installation apparatus as claimed in claim 1, wherein the top plate cross-brace is provided in two pieces and fixed to the top plate base by a non-pre-tightened bolt, the top plate cross-brace is in a multi-stage telescopic structure, and the top plate cross-brace rotates around the non-pre-tightened bolt.
5. The portable flexible lined pipe joint installation apparatus of claim 1, wherein the top disk screw sleeve is a removable sleeve for adapting to different size threaded rods.
6. The portable flexible inner liner joint installation assembly of claim 1, wherein two of said chassis cross braces are fixed to the chassis base by non-pre-tensioned bolts, and the chassis cross braces are of multi-section telescopic construction and rotate around the non-pre-tensioned bolts.
7. The portable flexible liner joint installation apparatus of claim 6 wherein the ends of the chassis cross braces are fitted with removable chassis snaps that mate with threaded holes in the joint inner sleeve.
8. The portable flexible inner liner pipe joint installation device as claimed in claim 1, wherein the threaded rod passes through the joint outer sleeve threaded hole, the joint inner sleeve threaded hole and the top disc screw sleeve in sequence, an upper nut is provided on the threaded rod outside the top disc screw sleeve, a lower nut is provided on the threaded rod outside the joint outer sleeve, and the connection of the top disc cross brace and the joint outer sleeve is achieved under the constraint of the upper nut and the lower nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110384709.6A CN113276058B (en) | 2021-04-09 | 2021-04-09 | Portable flexible lining pipe joint installation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110384709.6A CN113276058B (en) | 2021-04-09 | 2021-04-09 | Portable flexible lining pipe joint installation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113276058A CN113276058A (en) | 2021-08-20 |
| CN113276058B true CN113276058B (en) | 2022-09-13 |
Family
ID=77276344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110384709.6A Active CN113276058B (en) | 2021-04-09 | 2021-04-09 | Portable flexible lining pipe joint installation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113276058B (en) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5048169A (en) * | 1990-07-09 | 1991-09-17 | Antonio Beggiato | Hose-repair tool |
| JP3762380B2 (en) * | 2003-03-27 | 2006-04-05 | 株式会社藤井合金製作所 | Flexible pipe joint |
| JP4178413B2 (en) * | 2004-12-24 | 2008-11-12 | 株式会社テクノフレックス・トーラ | Plug-in fittings |
| US7565727B2 (en) * | 2006-06-16 | 2009-07-28 | Babcock & Wilcox Canada Ltd. | Method of tube stub removal |
| US8888138B2 (en) * | 2010-03-15 | 2014-11-18 | Eaton Corporation | Hose coupling |
| CN205097137U (en) * | 2015-10-16 | 2016-03-23 | 天津鑫恒源科技发展有限公司 | A instrument for changing sealing member |
| CN206831017U (en) * | 2017-06-12 | 2018-01-02 | 上海杰碧管道工程有限公司 | Non-metal composite pipe pipeline connecting structure |
| KR101918149B1 (en) * | 2017-07-13 | 2018-11-13 | 강호석 | Flexible joint Connector fastening device for fire-fighting |
| CN108591679A (en) * | 2018-07-04 | 2018-09-28 | 杭州莘源科技有限公司 | A kind of nonmetal pipeline end-fitting |
| IT201900000523A1 (en) * | 2019-01-11 | 2020-07-11 | Techinit S R L | Insert and fitting for flexible pipes, as well as a method for attaching a fitting to a flexible pipe |
| CN110877322B (en) * | 2019-11-04 | 2020-11-24 | 北京城建设计发展集团股份有限公司 | Automatic screwing device for prestressed reinforced nut matched with hollow jack |
-
2021
- 2021-04-09 CN CN202110384709.6A patent/CN113276058B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113276058A (en) | 2021-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102518907B (en) | Trenchless built-in sleeve pipeline repairing equipment and method | |
| CN202381921U (en) | Non-excavating sleeve-inbuilt pipeline repair equipment | |
| CN113276058B (en) | Portable flexible lining pipe joint installation device | |
| CN205703960U (en) | Fluid coupling erecting device and fluid coupling provision for disengagement | |
| CN210940437U (en) | Long-range hose expansion device for repairing hose | |
| CN108505932A (en) | A kind of power head | |
| CN202381906U (en) | Short pipe provided with primary-secondary port inverted-tenon connector | |
| CN208310684U (en) | A kind of power head | |
| CN207582314U (en) | Assembled displacement steel pipe column coupling bar | |
| CN207500713U (en) | Running gear in a kind of oil pipe | |
| CN210404678U (en) | Be used for prosthetic cable protective structure of municipal drainage pipe non-excavation | |
| CN113669526A (en) | Connection construction method for urban high-water-level large-diameter stainless steel pipeline | |
| CN210178779U (en) | Coupling convenient to detach on deep-well pump | |
| CN211287733U (en) | Quick strutting arrangement in shield tunnel | |
| CN113562839A (en) | Three-section type biological rotating disc sewage treatment device | |
| CN113431969A (en) | Pipeline, installation auxiliary device and process | |
| CN206246821U (en) | Spheroidal graphite cast-iron push pipe relay well device | |
| CN205975290U (en) | Apart from adjustable push boat mechanism | |
| CN204997312U (en) | Device is installed and removed to portable bearing hydraulic pressure | |
| CN206175248U (en) | Nuclear power station house service pump | |
| CN219673533U (en) | Pipeline fixing device for civil engineering | |
| CN221034461U (en) | Engineering pipeline connecting piece is reformed transform to sewage | |
| CN211976263U (en) | Natural gas line plugging device | |
| CN212920444U (en) | Fixing device with anticorrosive neck bush and oil pipe | |
| CN220396110U (en) | Novel location structure's car electron water pump |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240410 Address after: Room 522, Building 1, No. 23 Sanda Power Road, Xiangfang District, Harbin City, Heilongjiang Province, 150000 RMB Patentee after: HARBIN JINGWEI COMPOSITE NEW MATERIAL ENGINEERING Co.,Ltd. Country or region after: China Address before: 201499 room 1349, building 1, 88 Minle Road, Fengxian District, Shanghai Patentee before: SHANGHAI EB PIPELINE ENGINEERING Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |