CN208058172U - Composite conic sleeve - Google Patents
Composite conic sleeve Download PDFInfo
- Publication number
- CN208058172U CN208058172U CN201721786425.5U CN201721786425U CN208058172U CN 208058172 U CN208058172 U CN 208058172U CN 201721786425 U CN201721786425 U CN 201721786425U CN 208058172 U CN208058172 U CN 208058172U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- side wall
- pipeline
- composite
- hinge
- 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.)
- Expired - Fee Related
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 48
- 238000007711 solidification Methods 0.000 claims abstract description 9
- 230000008023 solidification Effects 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 239000003365 glass fiber Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000011151 fibre-reinforced plastic Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 230000008439 repair process Effects 0.000 abstract description 13
- 230000007547 defect Effects 0.000 description 21
- 230000007797 corrosion Effects 0.000 description 9
- 238000005260 corrosion Methods 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004210 cathodic protection Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/17—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
- F16L55/171—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring or the sleeve being tightened by a wedge section
Abstract
A kind of composite conic sleeve, including the sleeve that is sleeved on pipeline, the sleeve are made of the solidification composite material of conical form, and there is cylindrical channel axially, the diameter in the channel to be equal to the outer diameter of pipeline to be repaired；And there is side wall, the inner surface of the side wall is corresponding with the outer surface of the sleeve, wherein the side wall is made of solidification composite material.The utility model improves the performance reliability of repair pipeline.
Description
Technical field
The utility model is related to composite conic sleeves, it is especially useful in not interrupt pipe conveying (water, oil, natural gas and its
His liquids and gases) in the case of repair defect of pipeline region and welding point defect, and for increasing in the pipe-line construction stage
Strong weld connector.
Background technology
Pipeline is repaired using different devices, includes the device with side wall, the part which is connected with each other by two
Composition, and around defect of pipeline region, there are gaps between the inner surface and pipeline external surface of the side wall, should
The uncured composite material of gap filling (RU 113811U1, on 2 27th, 2012；RU 129593U1, on June 27th, 2013；
RU 2191317C2, on October 20th, 2002；RU 2378560C1, on January 10th, 2010；SK 1995A3, November 6 in 1996
Day；GB 2210134A, on June 1st, 1989).This restorative procedure is referred to as " combined sleeve technology ", abbreviation CST.
CST has the shortcomings that various, mainly has：
1) due to that may form bubble when injecting liquid composite (especially in defect), pipeline and side wall it
Between there are composite materials to fill non-uniform risk in space, this will be unable to provide guaranteed repair quality, and then may be used
Cause for metal material to be pressed into occurred cavity, pipeline is made to break a seal.
2) it is extremely complex that outer metal sidewall arc-welding is carried out under water, to limit given method in repairing submarine pipeline
Application；
3) it must provide and actively protect, prevent soil corrosion metal sidewall；
Although 4) have relatively low material and maintaining structure component costs, installation tissue and technical measures at
This is high, and entire maintenance cost is made to expand.Without the polymerization for repairing the pipeline with local corrosion defect of these disadvantages
If object sleeve is made of dried layer glass tape, these glass tapes are connected with each other by adhesive layer and circumferentially cover pipeline, wherein
Sleeve is made of two sseparated prefabricated half portions, is equipped with hinge unit, hinge unit is engaged with each other in end, and passes through phase
For the connection axis connection (RU 2219423C2, on December 20th, 2003) of conduit axis parallel orientation.But this repair knot
The disadvantage that structure also has other huge.Therefore, because metal sidewall is not present, so the sleeve cannot be by maintenance area reparation to nothing
The degree of defect, because pre-stretching (then first heating glass fiber sleeve makes its contraction by cooling) is insufficient to allow glass
Fibre strength, which reaches, prevents the defect below sleeve from being advanced to through-hole.The reason is that the elasticity of the modular ratio steel of glass fibre
Modulus is seven times at least low.In addition, the heating temperature of structural glass fibre structure is up to about 160 DEG C, it is difficult at the scene to reach under environment
It arrives.
According to RU2224169 С 2 (on 2 20th, 2004), the sleeve for repairing pipeline is it is known that its middle sleeve includes
Belt, belt is by circumferencial direction there is the prefabricated composite material of two and half form of sleeve of wavy profile to be made, cushion face
To belt, smoothed profile is towards pipeline.
The major defect of this sleeve is using technology rubber as cushion, and service life is 200,000 hours, i.e., about
23 years.Russian standard in relation to main pipe construction, exploitation and repair and code requirement, material for these purposes make
It must not be less than 30 years with the service life.Therefore, the structure according to RU2224169 С 2 (on 2 20th, 2004) is not to be regarded as
The continuous maintenance means of main pipeline.
According to US 2014048164A1 (on 2 20th, 2014), a kind of method for repairing pipeline is provided, wherein
One or more compression strap are installed around the external peripheral surface of the pipeline in restoring area, in the compression strap installed and are tieed up
It repaiies and coats corrosion-resistant finishes on the surface of zone duct, wound on corrosion-resistant (ground) coating of maintenance area coating compound outer
Cover.
This method for maintaining can not uniformly be pre-stretched entire maintaining structure, can not be to defect of pipeline region
It is tightly squeezed, therefore cannot be guaranteed that radial load is uniformly transferred from defect area to outer sleeve cover, this is this repair knot
The huge disadvantage of structure.
The prototype of the utility model provided is sleeve (RU 148064U1, on July 14th, 2014) comprising is mounted on
Sleeve on pipeline, the sleeve are made of two and half sleeves, and half sleeve is made of solidification composite material, and with pair
In the cylindrical form interior surface and conical external surface of pipe diameter metal sidewall, the metal sidewall should be installed above it
With the conical by its shape corresponding to combined sleeve outer surface, and the two half-unit by being connected in advance by arc-welding forms.It is compound
Sleeve resists compression, and provides the full load transfer from defect area to metal sidewall.
Although the solution disclosed in the prototype of the utility model provided does not have the most important CST of above-mentioned two
Disadvantage (1 and 4), but it still has the shortcomings that distinctive two of CST：
It is extremely complex that outer metal sidewall arc-welding is carried out under water, to limit given method in repairing submarine pipeline
Using；
It must provide and actively protect, prevent soil corrosion metal sidewall.
The utility model provided is intended to eliminate disadvantages mentioned above.
Utility model content
The technological achievement that the utility model is realized is, the performance of repair pipeline is improved by a kind of composite conic sleeve
Reliability, the composite conic sleeve include the sleeve being sleeved on pipeline, the sleeve by conical form solidification composite material
It is made, there is cylindrical channel axially, the diameter in the channel to be equal to the outer diameter of pipeline to be repaired；And there is side
Wall, the inner surface of the side wall are corresponding with the outer surface of the sleeve, wherein the side wall is made of solidification composite material.
The composite material for constituting sleeve and side wall is selected from glass fibre, carbon fibre reinforced plastic and basalt plastics.
Sleeve is made of composite material, compression strength at least equal to 70MPa, this with composite material in the solid state
JSC " Transneft " is required unanimously, for according to the main oil pipeline of combined sleeve technical maintenance.
Composite material of the side wall by elasticity modulus at least equal to 130GPa is made, the elasticity of the elasticity modulus and pipeline steel
The value of modulus is closest.
The length of side wall is less than the length of sleeve, and value depends on the diameter of pipeline to be repaired, ranging from 50-
200mm。
Under operation, the end of sleeve is protruded relative to the end of side wall.
Sleeve and side wall are connected with each other by least two parts on pipeline.
Sidewall sections on its edge include hinge, be connected to each other by hinge, hinge be used for respective hinge it is recessed
Slot replaces；Wherein, hinge is equipped with neck bush, and sidewall sections are configured to interconnect by the coupling spindle for being connected to the neck bush,
When sidewall sections overlap, hinge enters in corresponding slot；Wherein, coupling spindle has smooth cylindrical part, length etc.
In the length of side wall, diameter is no more than bushing inner diameter；And there is threaded portion, under operation, threaded portion is projected into side
It is not less than 50-100mm on the outside of wall；Coupling spindle one end is equipped with retainer, and the other end is equipped with nut, by being supported with sleeve abutment end
The washer connect is threadedly coupled on the threaded portion of axis with calibrated force.
Stopper element may be embodied as the bolt head of belt washer.
According to the material of repaired pipeline, type, operating condition and service life, neck bush, coupling spindle, washer and nut
It is made of metal or the composite material selected from glass fibre, carbon fibre reinforced plastic, basalt plastics.
The neck bush made of metal or composite material, coupling spindle, washer and spiral shell are applied in combination in a maintaining structure
It is female.
Description of the drawings
The utility model is described with reference to the drawings.
Fig. 1 illustrate mounted on have at defective conduit region according to composite conic sleeve described in the utility model
Defect area opening front view；
Fig. 2 illustrates the side view according to composite conic sleeve described in the utility model section, none of which connection
Spindle.
Specific implementation mode
Composite conic sleeve includes：Sleeve 2 on pipeline 1 has cylinder corresponding with the diameter of pipeline
Inner surface；And side wall 3, it is configured to be mounted in the outer surfaces of sleeve with its inner surface.Sleeve is by solidification composite wood
Material is made, and the composite material, which is resisted, to be compressed and provide the radial load transfer from defect area to side wall；The side wall by
The composite material of elasticity modulus (i.e. draftability is bad) similar with steel is made.In the fabrication process, it is filled out in the cavity 11 in side wall
Material (for example, glass fibre) filled with manufacture sleeve.
The outer surface of sleeve 2 and the inner surface of side wall 3 form cone.The outer surface of side wall can have any shape,
It is especially conical.Sleeve 2 (referring to Fig. 1) includes at least two component parts, is being installed on the pipeline 1 with defect 4
When be connected with each other.In an illustrated embodiment, sleeve is made of two component parts 2-a and 2-b (referring to Fig. 2).Repair is big straight
When the pipeline of diameter is to optimize installation exercise, the component lighter of maintaining structure.For this purpose, sleeve and side wall can be by three or more portions
It is grouped as.
Side wall 3 is made of at least two component parts.In an illustrated embodiment, side wall is by being connected to each other by axis 5
Two part 3-a and 3-b compositions, wherein stop component (for example, in the form of bolt head) is arranged in one end of axis.Axis 5 passes through hinge
Chain 9, hinge are internally provided with bushing 10.Bushing is intended to eliminate the gap between hinge inner surface and axis, which may cause
Bending stress is generated in hinge, and forms crackle wherein.Retainer is detached by washer 6 with side wall.In addition to fixed function,
The washer 7 and nut 8 and axis 5 being placed on the other end of axis 5 are together as device 12, for tightening the side wall on sleeve, with
And calibration extruding is carried out to the maintaining structure around defect of pipeline region.For this purpose, washer 7 with reinforce (for example, with fillet
Square) shape.
Axis 5, washer 6 and 7 and nut 8 and bushing 10 can be made of metal and/or composite material and polymer material,
It is specifically dependent upon condition and the remaining time of conduit region to be repaired.
Sleeve 2 has the length for being longer than side wall 3, is used to place makeshift device in the edge of sleeve, such as with ratchet
And/or the compression strap of wire stripping clip, for compression and fixes sleeve when adhesive is adhered to pipeline.Tighten the side wall on sleeve
When, alternately remove the compression strap with ratchet and/or wire stripping clip.
When using according to composite conic sleeve described in the utility model, repair as described below has defective pipeline.
At the region of the pipeline 1 with defect 4, barrier coat is removed to the degree more than 2 length of sleeve.Pipeline 1
Surface remove the residue of isolation and corrosion.The cavity of defect 4 is filled with leveling materials, such as Etal plasticines.In pipe
The binder compound of Etal 45 etc., and installation sleeve 2 are coated in the clean surface in road 1.During being installed on pipeline 1, sleeve
2 component part is adhesively joined by lateral edges.Two part 2-a and 2-b of sleeve are by arbitrarily arranging (for example, having spine
The compression strap of wheel) it is drawn together, it is fixed on end by wire stripping clips such as scotches, then removes belt.The component part of side wall
3-a and 3-b is connected through washer 6 and 7 to form solid side walls 3, and nut 8 is screwed on the end of axis 5 by axis 5.This
Afterwards, application of adhesive compound, side wall 3 are moved along the axis of the pipeline 1 on sleeve 2 on an outer surface of the sleeve 2 so that pad
7 movement of circle is more than the edge of sleeve 2, then by tightening nut 8, until the outer surface of the inner surface and sleeve 2 of side wall 3 is complete
It overlaps further to tighten the side wall 3 on sleeve 2, and reaches the volume for the fixing nut that manufacturing company points out in the description
Determine power, be arranged for installed maintaining structure, depends on the material of side wall 3 and type and the behaviour of pipeline 1 to be repaired
Make condition.Reached by the torque-indicating wrencg of predetermined length and tightens calibrated force.The component part of side wall 3 is tensed one with calibrated force
The specified extruding for playing the pre-stretching and maintenance area of the maintaining structure to execute assembling, in order to provide close sealing and from weak
Effective transmission of the radial load of sleeve 2 on the defect area of change to compound side wall 3, in the entire service life phase of pipeline
Between be not weaker than the strength characteristics of zero defect steel pipe.
Therefore, side wall 3 is fixed on by axis 5 on sleeve 2, which is connected to the hinge 9 equipped with insert bushing 10 (is located at
On the side wall of the component part of side wall, retainer 5, washer 6,7 and nut 8 are used).
Then, maintenance area is isolated, such as brings completion by the thermal contraction Chong Die with old separation layer.
Corrosion resistance, high-strength characteristic, leakproofness and the dielectric properties of this composite conic sleeve material therefor, the cone of sleeve
It ensures and eliminates between sleeve and side wall and pipeline and sleeve together with shape outer surface and inner surface side wall and binder compound
Between gap, increase repair pipeline performance reliability, reach flawless level.
Any further arrangement is not needed according to composite conic sleeve described in the utility model to fasten combined sleeve
On side wall, and need not in operation protective side wall from being slided from sleeve.These functions have screw thread by end
Coupling spindle and corresponding washer and nut carry out.In the appearance of the taper combined sleeve coated in advance with binder compound
When being tightened with calibrated force on face, its locations of structures is presented by two or more partly assembled side walls and by generated radial direction
Power passes to conical sleeve, is then adhered to the defect area of pipeline, and the power is passed to it, to be pre-stretched repair
Structure is used in combination power extrusion pipe determined by calculating, is incorporated in corrosion resistance, the height of the material used in the composite conic sleeve
Strength characteristics, sealing and dielectric property make maintenance area reach zero defect pipeline in the entire remaining life of pipeline
State.
The utility model allows to repair ground and underwater pipeline.According to the optimizing application of sleeve described in the utility model
The time of maintenance operation and cost, because need not weld and be promoted, be promoted and other mechanisms；Due to sleeve and side wall by
Two or more parts form, and are manufactured under the shop condition of solidification composite material, than the similar department being formed from steel
The light manyfold of part.In addition, the composite conic sleeve provided need not as in prototype use outer metal sidewall when or compound sleeve
When cylinder repair like that using for soil corrosion active protection (such as with being electrically connected of pipeline, cathodic protection station or protection
Device).
The service life of composite material used in the specified manufacture composite conic sleeve of manufacturing company is no less than 30 years.
Claims (7)
1. a kind of composite conic sleeve, including the sleeve that is sleeved on pipeline, the sleeve by conical form solidification composite material
It is made, there is cylindrical channel axially, the diameter in the channel to be equal to the outer diameter of pipeline to be repaired；And there is side
Wall, the inner surface of the side wall are corresponding with the outer surface of the sleeve, which is characterized in that the side wall is by solidification composite material
It is made.
2. composite conic sleeve according to claim 1, which is characterized in that constitute the compound of the sleeve and the side wall
Material is selected from glass fibre, carbon fibre reinforced plastic and basalt plastics.
3. composite conic sleeve according to claim 1, which is characterized in that the sleeve by compression strength at least equal to
The composite material of 70MPa is made.
4. composite conic sleeve according to claim 1, which is characterized in that the side wall by elasticity modulus at least equal to
The composite material of 130GPa is made.
5. composite conic sleeve according to claim 1, which is characterized in that the sleeve and the side wall are by being mounted on pipe
At least two parts on road are connected with each other.
6. composite conic sleeve according to claim 5, which is characterized in that the sidewall sections include hinge on its edge
Chain is connected to each other by the hinge, and the hinge replaces with the groove for respective hinge；Wherein, the hinge is equipped with
Neck bush, the sidewall sections are configured to interconnect by the coupling spindle for being connected to the neck bush, when the sidewall sections weight
When conjunction, the hinge enters in corresponding slot；Wherein, there is the coupling spindle smooth cylindrical part, length to be equal to side
The length of wall, diameter are no more than the bushing inner diameter；And there is threaded portion, under operation, the threaded portion protrudes
It is not less than 50-100mm to the side-wall outer side；Described coupling spindle one end be equipped with retainer, the other end be equipped with nut, by with
The washer that the sleeve abutment end abuts, is threadedly coupled on the threaded portion of the axis with calibrated force.
7. composite conic sleeve according to claim 6, which is characterized in that the neck bush, the coupling spindle, the pad
Circle and the nut are made of metal or the composite material selected from glass fibre, carbon fibre reinforced plastic, basalt plastics.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RURU2017101774 | 2017-01-20 | ||
| RU2017101774U RU174392U1 (en) | 2017-01-20 | 2017-01-20 | COMPOSITE CONE COUPLING |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208058172U true CN208058172U (en) | 2018-11-06 |
Family
ID=60120672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721786425.5U Expired - Fee Related CN208058172U (en) | 2017-01-20 | 2017-12-20 | Composite conic sleeve |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN208058172U (en) |
| CA (1) | CA3013422A1 (en) |
| RU (1) | RU174392U1 (en) |
| TR (1) | TR201723001U5 (en) |
| WO (1) | WO2018134657A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175576A (en) * | 2021-04-26 | 2021-07-27 | 南京磁谷科技股份有限公司 | Self-adjusting constant-temperature exhaust water separator of magnetic suspension air compressor |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973105B (en) * | 2018-08-16 | 2023-10-24 | 宜昌中南精密钢管有限公司 | Forming tool and method for lining stainless steel composite pipe |
| RU2704346C1 (en) * | 2019-04-11 | 2019-10-28 | Общество с ограниченной ответственностью "Научно-исследовательский институт природных газов и газовых технологий - Газпром ВНИИГАЗ" | Pipeline repair coupling |
| CN110014264A (en) * | 2019-05-23 | 2019-07-16 | 国家能源投资集团有限责任公司 | Feed pump cylinder sealing surface method for repairing and mending |
| RU2730268C1 (en) * | 2020-04-23 | 2020-08-21 | Общество с ограниченной ответственностью «Сталос» | Universal repair kit for pipelines |
| WO2024043807A1 (en) * | 2022-08-26 | 2024-02-29 | Валерий Иванович ВИНОКУРОВ | Method for repairing defective sections of pipeline |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2219423C2 (en) * | 2001-07-23 | 2003-12-20 | Общество с ограниченной ответственностью "Севергазпром" | Polymer coupling for repair of pipes having local corrosion defects and method of mounting such coupling |
| RU2224169C2 (en) * | 2002-05-13 | 2004-02-20 | Общество с ограниченной ответственностью "Севергазпром" | Method of repair of pipe lines and sleeve for performing such repair |
| RU2378560C1 (en) * | 2008-05-19 | 2010-01-10 | Общество с ограниченной ответственностью "Механика Инжиниринг" | Sag pipe coupling |
| RU148064U1 (en) * | 2014-07-14 | 2014-11-27 | Валерий Владимирович Юдин | UNIVERSAL CONE COUPLING |
-
2017
- 2017-01-20 RU RU2017101774U patent/RU174392U1/en active
- 2017-12-04 CA CA3013422A patent/CA3013422A1/en not_active Abandoned
- 2017-12-04 WO PCT/IB2017/057607 patent/WO2018134657A1/en active Application Filing
- 2017-12-20 CN CN201721786425.5U patent/CN208058172U/en not_active Expired - Fee Related
- 2017-12-29 TR TR2017/23001U patent/TR201723001U5/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175576A (en) * | 2021-04-26 | 2021-07-27 | 南京磁谷科技股份有限公司 | Self-adjusting constant-temperature exhaust water separator of magnetic suspension air compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CA3013422A1 (en) | 2018-07-26 |
| TR201723001U5 (en) | 2018-08-27 |
| WO2018134657A1 (en) | 2018-07-26 |
| RU174392U1 (en) | 2017-10-11 |
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