CN106090533B - A kind of protectiveness strong pipeline protection closure assembly and its installation method - Google Patents
A kind of protectiveness strong pipeline protection closure assembly and its installation method Download PDFInfo
- Publication number
- CN106090533B CN106090533B CN201610455622.2A CN201610455622A CN106090533B CN 106090533 B CN106090533 B CN 106090533B CN 201610455622 A CN201610455622 A CN 201610455622A CN 106090533 B CN106090533 B CN 106090533B
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- China
- Prior art keywords
- pipeline
- elastic
- main protection
- protection department
- pipe fitting
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves
- F16L59/024—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves composed of two half sleeves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/12—Arrangements for supporting insulation from the wall or body insulated, e.g. by means of spacers between pipe and heat-insulating material; Arrangements specially adapted for supporting insulated bodies
Abstract
A kind of protectiveness strong pipeline protection closure assembly and its installation method, described device are used to be set in pipeline（7）Outside play heat-insulated protective action, including can merge composition cylinder the main protection department as larger discount vibram outlet section cylinder（8）With the lid portion as smaller discount vibram outlet section cylinder（4）, wherein, the main protection department（8）Bottom and the lid portion（4）Top be symmetrically arranged it is flexible to roof panel pipe fitting（81、41）, the main protection department（8）Diametrically opposed both sides be symmetrically provided with elastic clip assembly（82）, thus two elasticity are to roof panel pipe fitting（81、41）It can be formed for the pipeline（7）Vertical direction clamping.
Description
Technical field
The present invention relates to pipeline protection field, the strong pipeline protection closure assembly of specially a kind of protectiveness and its installation side
Method.
Background technology
Pipeline in use, may face physical shock, corrosivity working environment or the hot operation of outside
Environment；This may have a negative impact on the structure of pipeline so as to influence the service life of pipeline or even cause potential safety hazard.
, can be using protective cover come protective conduit in order to overcome this defect.
Have in the prior art and protective cover is formed to pipeline using in pipeline workshop, damaged against the external world.But
It is that in existing industry spot, the various pipelines for needing to protect often have installed.And the feelings at some for completion installation
In shape, the production of pipeline is also over and is not easy to be again introduced into factory's progress secondary operation.Therefore, it is necessary to which one kind is for pipe
Road carries out the protective cover that subsidiarity is installed in the protective cover that line is installed or after dispatching from the factory, and it can flexibly realize the protection for pipeline
Need, to be adapted to the needs of various application scenarios.
The content of the invention
It is an object of the invention to provide a kind of protectiveness strong pipeline protection closure assembly and its installation method, it can overcome
In the prior art the defects of.
According to the strong pipeline protection closure assembly of the protectiveness of the present invention, heat-insulated protection is played in the outside for being set in pipeline
Effect, including the main protection department as larger discount vibram outlet section cylinder of composition cylinder can be merged with being used as smaller discount vibram outlet section post
The lid portion of body, wherein, the bottom of the main protection department is flexible to roof panel with being symmetrically arranged at the top of the lid portion
Pipe fitting, the diametrically opposed both sides of the main protection department are symmetrically provided with elastic clip assembly, thus two bullets
Property can form the clamping of the vertical direction for the pipeline, diametrically opposed two bullets to roof panel pipe fitting
Property clip assembly can form the clamping of the horizontal direction for the pipeline, wherein, the left and right of the opening of the main protection department
Both sides are symmetrically arranged with the convex extension part extended towards one another, and circular arc head is provided with the medial end of each convex extension part,
To be advantageous to tentatively cover and be set on the pipeline from the bottom of the pipeline by the opening main protection department, and
Temporarily main protection department is carried on the pipeline and dropped with preventing from releasing；Two are provided with the top surface of each convex extension part
The individual cylindrical fixing groove with top-slitting is to two bullets at corresponding one in two end faces with the lid portion
Property deformation cylinder bracket coordinate, the lid portion is provided with internal thread hole with the elastic deformation cylinder bracket junction, institute
The connecting pole being connected in internal thread hole provided with screw thread is stated, the connecting pole is one whole with the elastic deformation cylinder bracket
Body is changed to maintain easily, wherein, the plane of symmetry opening position of each elastic deformation cylinder bracket sets flexible change
Describe gap perhaps；Wherein, the pipeline engagement arm and Auxiliary support that each elasticity includes being oppositely arranged to roof panel pipe fitting
Arm, the pipeline engagement arm includes the plateau elastic bending section being connected with the body of main protection department and the plateau elastic is bent
The platform part of portion's connection is to the support engagement angled portion for engaging the pipeline and being connected with the platform part, the auxiliary
Support arm include the sub-arm elastic bend part that is connected with the body of the main protection department and with the sub-arm elastic bending
Portion connects and the inclined shore portion to be slidably matched with the support engagement angled portion, thus, when the bullet when mounted
Property when elastic deformation is occurred by the top pressure active force of the pipeline to roof panel pipe fitting, the support engagement angled portion can phase
Relative slide occurs for the inclined shore portion；Wherein, the main protection department is in the diametrically opposed both sides
Every side on be provided with multiple elastic clip assemblies along the longitudinal direction, each elastic clip assembly includes on diameter side
To symmetrically arranged two elastic clips, one in described two elastic clips is V-type elastic bending piece, the V-type elastic bending
One support arm of part is connected with the main body of the main protection department, another support arm and another pair in described two elastic clips
Support arm arranged crosswise is answered so as to realize that the staggered form for the pipeline supports engagement, described two elastic clips are close to the pipeline
The end of side is equipped with roller, and the roller is made up of the elastomeric material of anti-skid wearable, the roller to prevent because it is long when
Between installing/dismounting the pipeline is caused to wear, improve service life.
According to the present invention, the installation method of above-mentioned protective cover, first, by the opening court of the main protection department
On, make the convex extension part that bullet occur by the space of the cylindrical fixing groove from the bottom of the pipeline by the opening
Property deformation so as to installing and be carried on the pipeline the main protection department, then, by the way that the elastic deformation cylinder is tight
Gu bar inserts and is coupled in the cylindrical fixing groove and the lid portion is fixed on the main protection department, so as to utilize
Two of the main protection department elasticity form the clampings of the vertical direction for the pipeline to roof panel pipe fitting, using straight
The relative elastic clip assembly forms the clamping of the horizontal direction for the pipeline on the direction of footpath.
By the present invention, due to there is provided the main protection department with upper opening, therefore protective cover is enabled at the scene
Installed and be carried on pipeline.And in assembling, because shield is divided into two parts not of uniform size, therefore, larger portion
The opening of the main protection department divided is missing the opening round, and it is easy to temporarily be carried on pipeline and be not easy to drop protective cover；By setting
Convex extension part setting in the opening and using circular groove, elastic deformation can occur in installation process and temporarily will shield
Cover blocks, this for the shield that is loaded axially along the pipe and gradually during it is especially advantageous.After assembling, court of lid portion
On, enable to the convex extension part, by the gravity standby supporting part of pressure-bearing downwards, to avoid making in long-term installation as shield
During the self gravitation of shield for shield caused by the long-term biased deformation of the elastomeric platform pipe portion of shield it is excessive under
It is heavy, so that peripheral circular air space occurs extruding and influences effect of heat insulation.Whole guard apparatus has easy for installation, peace
Fill firmly and service-strong advantage.It can effectively solve the problem that the problems of the prior art.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the main protection department of the strong pipeline protection closure assembly of the protectiveness of the present invention；
Fig. 2 is the overall structure diagram in the lid portion of the present invention；
Fig. 3 is the overall structure diagram of the strong pipeline protection closure assembly of the protectiveness of the invention after assembling installation；
Fig. 4 is described elastic to the close-up schematic view at roof panel pipe fitting in Fig. 1.
Embodiment
With reference to Fig. 1-4, the present invention is described in detail.
According to the strong pipeline protection closure assembly of the protectiveness of embodiment, the outside for being set in pipeline 7 is played heat-insulated anti-
Shield acts on, including can merge the main protection department 8 as larger discount vibram outlet section cylinder of composition cylinder with being used as smaller round segmental part
Duan Zhuti lid portion 4, wherein, it is flexible right that the bottom of the main protection department 8 and the top in the lid portion 4 are symmetrically arranged
Roof panel pipe fitting 81,41, the diametrically opposed both sides of the main protection department 8 are symmetrically provided with elastic clip assembly 82,
Thus two elasticity can form the clamping of the vertical direction for the pipeline 7, diameter side to roof panel pipe fitting 81,41
Two relative elastic clip assemblies 82 can form the clamping of the horizontal direction for the pipeline 7 upwards, wherein, it is described
The convex extension part 83 extended towards one another is symmetrically arranged with left and right sides of at the opening 80 of main protection department 8, each convex extension part
Circular arc head 84 is provided with 83 medial end, to be advantageous to by the opening main protection department 8 from the pipe
The bottom in road 7 and tentatively cover and be set on the pipeline 7, and temporarily main protection department 8 is carried on the pipeline 7 to prevent from releasing
Drop；Be provided with the top surface of each convex extension part 83 two cylindrical fixing grooves 830 with top-slitting to
Two elastic deformation cylinder brackets 43 at correspondence one in two end faces in the lid portion 4 coordinate, the lid portion 4
Internal thread hole 42 is provided with the junction of elastic deformation cylinder bracket 43, being provided with screw thread in the internal thread hole 42 coordinates company
The connecting pole 432 connect, the connecting pole 432 are integral to maintain easily more with the elastic deformation cylinder bracket 43
Change, wherein, the plane of symmetry opening position of each elastic deformation cylinder bracket 43 is provided with elastic deformation and allows gap 431；
Wherein, the pipeline engagement arm 2 and auxiliary support arm 3 that each elasticity includes being oppositely arranged to roof panel pipe fitting 81,41, institute
Stating pipeline engagement arm 2 includes the plateau elastic bending section 21 being connected with the body of main protection department 8 and the plateau elastic bending section
The platform part 22 of 21 connections is to the support engagement angled portion 23 for engaging the pipeline 7 and being connected with the platform part 22, institute
State auxiliary support arm 3 include the sub-arm elastic bend part 31 that is connected with the body of the main protection department 8 and with the auxiliary
Arm elastic bend part 31 connects and the inclined shore portion 32 to be slidably matched with the support engagement angled portion 23, thus,
When to roof panel pipe fitting 81,41 by the top pressure active force of the pipeline 7 elastic deformation is occurred for the elasticity when mounted,
Relative slide can occur relative to the inclined shore portion 32 for the support engagement angled portion 23；Wherein, the main protection department 8 exists
Multiple elastic clip assemblies 82, Mei Gesuo are provided with every side in the diametrically opposed both sides along the longitudinal direction
Stating elastic clip assembly 82 includes on symmetrically arranged two elastic clips 821 of diametric(al), in described two elastic clips 821
One is V-type elastic bending piece, and a support arm of the V-type elastic bending piece is connected with the main body of the main protection department 8, another
Individual support arm is with another the corresponding support arm arranged crosswise in described two elastic clips 821 so as to realizing for the pipeline 7
Staggered form support engagement, described two elastic clips 821 are equipped with roller 822, the roller close to the end of the side of pipeline 7
822 are made up of the elastomeric material of anti-skid wearable, and the roller 822 is preventing because long-time installing/dismounting is made to the pipeline 7
Into abrasion, service life is improved.
According to embodiment, the installation method of above-mentioned protective cover, first, by the opening court of the main protection department 8
On, make space of the convex extension part 83 by the cylindrical fixing groove 830 from the bottom of the pipeline 7 by the opening
Generation elastic deformation is so as to install and be carried on the pipeline 7 the main protection department 8, then, by the way that the elasticity is become
Shape cylinder bracket 43 inserts and is coupled in the cylindrical fixing groove 830 and prevents in the lid portion 4 fixed to the master
In shield portion 8, so as to be formed roof panel pipe fitting 81,41 for the pipeline 7 using two elasticity of the main protection department 8
Vertical direction clamping, the level for the pipeline 7 is formed using the diametrically opposed elastic clip assembly 82
The clamping in direction.
Exemplarily, main protection department 8 can be formed in one, and the lid portion 4 can also be formed in one.
Due to there is provided the main protection department with upper opening, therefore protective cover is enabled to be installed and held at the scene
It is loaded on pipeline.And in assembling, because shield is divided into two parts not of uniform size, therefore, the main protection department of major part
Opening be missing the opening round, it is easy to temporarily be carried on pipeline and be not easy to drop protective cover；It is located at the opening by setting
The convex extension part at place and using circular groove, can occur elastic deformation in installation process and temporarily block shield, this is right
It is especially advantageous during the shield that is loaded axially along the pipe and gradually.After assembling, lid portion upward, enables to
The convex extension part, by the gravity standby supporting part of pressure-bearing downwards, avoids the shield during long-term install and use as shield
Self gravitation for shield excessive convergence caused by the long-term biased deformation of the elastomeric platform pipe portion of shield so that all
Annular air space is enclosed extruding occurs and influences effect of heat insulation.Entirely guard apparatus has easy for installation, firmly installs and uses
The advantages of reliable.
By that can be made within the scope of the invention according to mode of operation various with upper type, those skilled in the art
Change.
Claims (2)
- A kind of 1. strong pipeline protection closure assembly of protectiveness, for being set in pipeline（7）Outside play heat-insulated protective action, wrap The main protection department as larger discount vibram outlet section cylinder of composition cylinder can be merged by including（8）With as smaller discount vibram outlet section cylinder Lid portion（4）, wherein, the main protection department（8）Bottom and the lid portion（4）Top be symmetrically arranged it is flexible to top Platform pipe fitting（81、41）, the main protection department（8）Diametrically opposed both sides be symmetrically provided with elastic clip assembly （82）, thus two elasticity are to roof panel pipe fitting（81、41）It can be formed for the pipeline（7）Vertical direction folder Tightly, the diametrically opposed two elastic clip assemblies（82）It can be formed for the pipeline（7）Horizontal direction Clamp, wherein, the main protection department（8）Opening（80）The convex extension part extended towards one another is symmetrically arranged with left and right sides of place （83）, each convex extension part（83）Medial end at be provided with circular arc head（84）, to be advantageous to make by the opening Obtain the main protection department（8）From the pipeline（7）Bottom and tentatively cover and be set to the pipeline（7）On, and temporarily by main protection Portion（8）It is carried on the pipeline（7）On dropped with preventing from releasing；Each convex extension part（83）Top surface on be provided with two Cylindrical fixing groove with top-slitting（830）To with the lid portion（4）Two end faces in correspondence one at Two elastic deformation cylinder brackets（43）Coordinate, the lid portion（4）With the elastic deformation cylinder bracket（43）Connection Place is provided with internal thread hole（42）, the internal thread hole（42）The interior connecting pole being connected provided with screw thread（432）, the connecting pole （432）With the elastic deformation cylinder bracket（43）It is integral to maintain easily replacing, wherein, each elasticity becomes Shape cylinder bracket（43）Plane of symmetry opening position be provided with elastic deformation and allow gap（431）；Wherein, each elasticity is right Roof panel pipe fitting（81、41）Including the pipeline engagement arm being oppositely arranged（2）And auxiliary support arm（3）, the pipeline engagement arm （2）Including with main protection department（8）Body connection plateau elastic bending section（21）And the plateau elastic bending section（21）Even The platform part connect（22）To engage the pipeline（7）And with the platform part（22）The support engagement angled portion of connection （23）, the auxiliary support arm（3）Including with the main protection department（8）Body connection sub-arm elastic bend part（31）With And with the sub-arm elastic bend part（31）Connect and to support engagement angled portion with described（23）What is be slidably matched inclines Bearing diagonal portion（32）, thus, when described when mounted elastic to roof panel pipe fitting（81、41）By the pipeline（7）Top pressure Active force and when elastic deformation occurs, the support engagement angled portion（23）Can be relative to the inclined shore portion（32）Generation phase To sliding；Wherein, the main protection department（8）Set along the longitudinal direction on every side in the diametrically opposed both sides There are multiple elastic clip assemblies（82）, each elastic clip assembly（82）Include on diametric(al) symmetrically arranged two Individual elastic clip（821）, described two elastic clips（821）In one be V-type elastic bending piece, the V-type elastic bending piece One support arm and the main protection department（8）Main body be connected, another support arm and described two elastic clips（821）In another Corresponding support arm arranged crosswise so as to realizing for the pipeline（7）Staggered form support engagement, described two elastic clips（821） Close to the pipeline（7）The end of side is equipped with roller（822）, the roller（822）By the elastomeric material system of anti-skid wearable Into the roller（822）To prevent because long-time installing/dismounting is to the pipeline（7）Cause to wear, improve service life.
- 2. a kind of installation method of protective cover, using the strong pipeline protection closure assembly of protectiveness as claimed in claim 1, First, by the main protection department（8）It is described opening up, from the pipeline（7）Bottom and made by the opening described Convex extension part（83）By the cylindrical fixing groove（830）Space elastic deformation occurs so as to by the main protection department（8）Peace Fill and be carried on the pipeline（7）On, then, by by the elastic deformation cylinder bracket（43）Insert and be coupled to described Cylindrical fixing groove（830）In and by the lid portion（4）Fixed to the main protection department（8）On, so as to be prevented using the master Shield portion（8）Two it is described elasticity to roof panel pipe fitting（81、41）Formed for the pipeline（7）Vertical direction clamping, Utilize the diametrically opposed elastic clip assembly（82）Formed for the pipeline（7）Horizontal direction clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610455622.2A CN106090533B (en) | 2016-06-22 | 2016-06-22 | A kind of protectiveness strong pipeline protection closure assembly and its installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610455622.2A CN106090533B (en) | 2016-06-22 | 2016-06-22 | A kind of protectiveness strong pipeline protection closure assembly and its installation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106090533A CN106090533A (en) | 2016-11-09 |
| CN106090533B true CN106090533B (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610455622.2A Active CN106090533B (en) | 2016-06-22 | 2016-06-22 | A kind of protectiveness strong pipeline protection closure assembly and its installation method |
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| CN (1) | CN106090533B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189966B (en) * | 2017-11-20 | 2019-10-11 | 沪东中华造船(集团)有限公司 | A kind of pipe end face protection sealing plate fast dismounting device and its application method |
| GB2600797B (en) * | 2021-06-10 | 2023-05-31 | Adey Holdings 2008 Ltd | Insulating jacket for a filter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0887902A2 (en) * | 1997-06-28 | 1998-12-30 | T&N TECHNOLOGY LIMITED | Flexible protective sleeve |
| CN103791167A (en) * | 2014-01-20 | 2014-05-14 | 江苏海事职业技术学院 | Adjustable pipe hanging bracket and adjustable hanging bracket assembly for suppressing ship pipe vibration noise |
| CN103803033A (en) * | 2014-01-20 | 2014-05-21 | 江苏海事职业技术学院 | Adjustable ship pipeline shock resistance lantern ring device |
| CN105047292A (en) * | 2015-07-06 | 2015-11-11 | 李琴琴 | Cable with isolation stripes, fixed blocks, and heat insulation shield |
| CN204922360U (en) * | 2015-09-07 | 2015-12-30 | 浙江宝龙建设有限公司 | Municipal administration raceway |
-
2016
- 2016-06-22 CN CN201610455622.2A patent/CN106090533B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0887902A2 (en) * | 1997-06-28 | 1998-12-30 | T&N TECHNOLOGY LIMITED | Flexible protective sleeve |
| CN103791167A (en) * | 2014-01-20 | 2014-05-14 | 江苏海事职业技术学院 | Adjustable pipe hanging bracket and adjustable hanging bracket assembly for suppressing ship pipe vibration noise |
| CN103803033A (en) * | 2014-01-20 | 2014-05-21 | 江苏海事职业技术学院 | Adjustable ship pipeline shock resistance lantern ring device |
| CN105047292A (en) * | 2015-07-06 | 2015-11-11 | 李琴琴 | Cable with isolation stripes, fixed blocks, and heat insulation shield |
| CN204922360U (en) * | 2015-09-07 | 2015-12-30 | 浙江宝龙建设有限公司 | Municipal administration raceway |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106090533A (en) | 2016-11-09 |
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Effective date of registration: 20171030 Address after: 225400 the south side of the East Road of Chengdong Industrial Park, Taizhou, Taixing, Jiangsu Applicant after: Taixing Dongcheng Water Treatment Engineering Co., Ltd. Address before: 537599, the Guangxi Zhuang Autonomous Region, Yulin, Rongxian County Town, 299 West Town, -151 Applicant before: Chen Mingju |
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Effective date of registration: 20200422 Address after: 225400 north side of Huan Xi Road, Taixing hi tech Industrial Development Zone, Taizhou, Jiangsu Patentee after: CCCC Hehai Engineering Co., Ltd Address before: 225400 the south side of the East Road of Chengdong Industrial Park, Taizhou, Taixing, Jiangsu Patentee before: Taixing Dongcheng Water Treatment Engineering Co.,Ltd. |
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