CN102927404A - Instant plug pipe device on production line and method thereof - Google Patents

Instant plug pipe device on production line and method thereof Download PDF

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Publication number
CN102927404A
CN102927404A CN2011102294665A CN201110229466A CN102927404A CN 102927404 A CN102927404 A CN 102927404A CN 2011102294665 A CN2011102294665 A CN 2011102294665A CN 201110229466 A CN201110229466 A CN 201110229466A CN 102927404 A CN102927404 A CN 102927404A
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China
Prior art keywords
system pipeline
line
short tube
chock plug
elasticity thing
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CN2011102294665A
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Chinese (zh)
Inventor
黄清外
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QIJI ENGINEERING Co Ltd
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QIJI ENGINEERING Co Ltd
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Priority to CN2011102294665A priority Critical patent/CN102927404A/en
Publication of CN102927404A publication Critical patent/CN102927404A/en
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Abstract

The invention relates to an instant plug pipe device on a production line and a method thereof, aiming to avoid the defects that when a system pipeline is replaced in the past, the pressure of fluid in the system pipeline is needed to be reduced in the first place, or a source is closed so as to prevent fluid leakage in the replacement process. The working method of the invention is used for carrying out system pipeline modification or replacement on the basis of not influencing the operation of the production line and avoiding working safety accidents and is mainly characterized in that a position is selected on an old system pipeline, then at least one short pipe is welded, and each short pipe is provided with a gate valve for regulating or interrupting the fluid of the short pipes; then the system pipeline is put on a drilling machine through a line, and a communicated hole is drilled on the system pipeline by a specially-made cutter; and then the system pipeline is processed to ensure that the inner diameters of the short pipes confirm to the inner diameter of the system pipeline for specially-made plugs to be arranged in intersection points of the system pipeline and short pipelines to finish sealing pipelines which are planned to be sealed by the system.

Description

Instant plug pipe devices and methods therefor on the production line
Technical field
The present invention is about instant plug pipe devices and methods therefor on a kind of production line, refer to especially change when action in carrying out system pipeline leakproof and change, can not need to reduce pressure or close fluid, utilize the chock plug can be with old pipeline closed at both ends, or system needs the pipeline of debottleneckling to revise, can be conducive to use instead new reflow pipe is communicated with, make the system pipeline normal operation, action fast thoroughly, can save time and action that system pipeline is changed, promote the processing method improvement of its a kind of line top plug pipe that uses effect.
Background technique
Known to general, when system pipeline needs debottleneckling or when comparatively old, original pipeline or old pipeline must be changed, but before changing system pipeline, because in the system pipeline, that circulates has for example water of pressured fluid, diesel oil, gasoline, LPG etc., and gas air for example, nitrogen, low pressure steam or oil gas etc., must go ahead of the rest step-down or the fluid in the system pipeline closed, to prevent that detonation pressure releases in the process of changing, perhaps must be again by pouring into other fluid (such as nitrogen or water), behind the fluid in the neutralization pipe, just can change, so not only production line can be forced to interrupt, and the numerous and diverse time-consuming again effort of formality; Just in case when changing system pipeline, have fluid to leak, not only pollute the environment, scope of damage is just just human if the gas that leaks, liquid are poisonous! Have to careful! How can be under the prerequisite that does not affect production line running and construction safety; for certain part unusual or old pipeline may be arranged; install new system pipeline changes with new reflow pipe circulation the fluid in the pipe in advance; fill in again the pipe action at unusual or old pipeline; circulate in the pipe of this section with the fluid in the blocking tube; needn't shutdown system pipeline source; production line is interrupted; more can improve the Security of using system pipeline, believe the target that the anxious wish of relevant dealer makes great efforts to reach.
Summary of the invention
Purpose of the present invention namely is to provide a kind of and must reduces first the pressure of system pipeline inner fluid when avoiding tradition to change system pipeline or the source is closed, leak and fire alarm or must be again by pouring into other fluid (such as nitrogen or water) occurs at the process medium fluid detonation pressure of changing preventing, behind the fluid in the neutralization pipe, the action that just can cut replace tubes! With processing method of the present invention, take off disappearance before can thoroughly solving, shorten the time of changing system pipeline, also needn't stop the production of production line, again the safety effect of lift line use.
Of the present invention time a purpose is to provide instant plug pipe devices and methods therefor on a kind of production line, namely be to provide a kind of miscellaneous problem of avoiding cutting the replace tubes action, if in the system pipeline be flammable fluid, easily cause the worker of knocking fuel to pacify event, based on not affecting the production line running and avoid the worker to pacify event, a kind of method of work of carrying out the modification of system pipeline debottleneckling or changing.
For achieving the above object, the invention provides instant plug pipe device on a kind of production line, main book office on a system pipeline, weld the pipe diameter short tube identical with described system pipeline pipe diameter in advance, weld again a stiffening plate, one gate valve is set in advance with the described short tube of sealing control on each described short tube, then on described system pipeline, be drilled with a connected holes through driling machine on the line with cutter, after making described short tube and described system pipeline being communicated with, arrange to finish the described system pipeline person of sealing for chock plug; Wherein:
Described chock plug is made of a supporting member, a pillar and an elasticity thing, described supporting member and pillar connect as one, described supporting member is the taper that the upper end diameter is less, the lower end diameter is larger, described elasticity thing is made with quality of rubber materials, described elasticity thing is half circular pouch, and described elasticity thing tightly fits in described pillar outside.
Instant plug pipe device on the described production line, wherein, driling machine is made of the screw rod that a measuring rod and that comprises operation unit includes anchor clamps on the described line, described measuring rod stretches out on the described line the outer and described measuring rod inwall of driling machine and is provided with internal thread, described screw surface has outside thread, described measuring rod can drive screw rod with screw thread and be rotated processing, and the measuring rod on stretching out in described line outside the driling machine is by turn.
Instant plug pipe device on the described production line, wherein, the elasticity thing of chock plug is made with the flexible quality of rubber materials of tool, the elasticity object height degree of chock plug then equals 1.3 times of system pipeline internal diameter, shore supports by the middle-carbon steel metal material, equiblibrium mass distribution system pipeline surface of contact when suffering oppression reaches fully sealing.
The present invention also provides the method for instant plug pipe on a kind of production line, it is characterized in that, main book office on a system pipeline, weld the pipe diameter short tube identical with described system pipeline pipe diameter in advance, weld again a stiffening plate, one gate valve is set in advance with the described short tube of sealing control on each described short tube, then on described system pipeline, be drilled with a connected holes through driling machine on the line with cutter, after making described short tube and described system pipeline being communicated with, arrange to finish the described system pipeline person of sealing for chock plug; Wherein:
Described chock plug is made of a supporting member, a pillar and an elasticity thing, described supporting member and pillar connect as one, described supporting member is the taper that the upper end diameter is less, the lower end diameter is larger, described elasticity thing is made with quality of rubber materials, described elasticity thing is half circular pouch, and described elasticity thing tightly fits in described pillar outside;
Driling machine and then consisted of by the screw rod that a measuring rod and that comprises operation unit includes anchor clamps on the described line, described measuring rod stretches out on the described line outer and its inwall of driling machine and is provided with internal thread, described screw surface has outside thread, described measuring rod can drive screw rod with screw thread and be rotated processing, measuring rod on stretching out in described line outside the driling machine is by turn, and the screw rod that makes driling machine on the line is when exerting pressure downwards with the described chock plug of anchor clamps fixing, can make the elasticity thing resiliently deformable of chock plug and seal described short tube and described system pipeline between described connected holes.
To sum up, instant plug pipe devices and methods therefor on a kind of production line of the present invention, it is book office on system pipeline mainly, the weld nipple diameter is identical with described system pipeline diameter in advance, and weld add the weldering one stiffening plate, device one gate valve (can not with other valve classes replacements) in advance on each described short tube, being used for switch when changing cutter, chock plug stops fluid leakage in the pipe, then use on the line driling machine with its special cutter, stretch into the inherent described system pipeline weld of short tube and bore connected holes, hinder because this connected holes also has! Affecting chock plug enters, must change again another and organize special cutter, hindering excision in the connected holes, when short tube with after described system pipeline is communicated with, insert for this special chock plug, and the design of this special chock plug surface of contact, the use material is resilient rubber but is not very soft, since it must bear pressure, fluid composition, the left acute angle of cutting connected holes can scratch, uneven surface of contact etc., do not leak so must be forced into fully again, finish the described system pipeline of sealing and communicate; Wherein, described chock plug is by a supporting member, one pillar and an elasticity thing consist of, described supporting member and pillar connect as one by middle-carbon steel to be made, described supporting member is that the upper end circular diameter is less, the lower end circular diameter is larger, about 15 ° taper, described elasticity thing is made to have flexible quality of rubber materials, its front end is half circular pouch, circular diameter equates with the system pipeline internal diameter, elasticity thing diameter is system pipeline about 1% greatly, coat when mounted the very good dress of lubricant oil, described elasticity thing also tightly fits in the described pillar outside, and thickness is best between 1~1.5cm.
Description of drawings
Fig. 1 is that instant plug pipe device connects the schematic diagram that connects with new reflow pipe in addition again on the production line of the present invention;
Fig. 2 is welding one short tube and a stiffening plate schematic diagram on the system pipeline of the present invention;
Fig. 3 is the schematic diagram that the short tube on the system pipeline arranges gate valve;
Fig. 4 to Fig. 6 is drilled with the schematic diagram of hole for driling machine on mat line on the short tube;
Fig. 7 to Fig. 8 carries out the construction action schematic diagram of trimming edge for driling machine on mat line on the short tube;
Fig. 9 to Figure 12 is that the chock plug of instant plug pipe devices and methods therefor on the production line cuts open and shows and move schematic diagram.
Description of reference numerals: 1-system pipeline; The old pipeline of 11-; The 12-stiffening plate; The 13-short tube; The 14-reflow pipe; The 15-connected holes; The 16-edge; The 2-gate valve; The 21-blind plate; Driling machine on the 3-line; The 31-measuring rod; The 32-operation unit; The 33-screw rod; The 34-anchor clamps; The 41-central cutter; 42-week dise knife tool; The 43-machining tool; The 5-chock plug; The 51-supporting member; The 52-pillar; 53-elasticity thing.
Embodiment
See also Fig. 1 to Fig. 2, instant line top plug pipe devices and methods therefor on a kind of production line that a preferred embodiment of the present invention provides, it mainly is that its ab section has found that system pipeline 1 has old pipeline 11 on a system pipeline 1, or system pipeline 1 is old must close described ab section, after making in advance new reflow pipe 14, go again ab section plug pipe, or change system pipeline 1, as long as the fluid of system pipeline 1 interior circulation is water, diesel oil, gasoline, heavy oil, LPG (liquefied petroleum gas (LPG)), air, nitrogen, low pressure steam etc., pressure is at 20kg/cm 2Below, temperature is at 0~200 ℃, can it be closed to the fluid source, also can not have influence under the prerequisite of production line to construct.In the three elements of burning: inflammable matter, burning-point (burning things which may cause a fire disaster), oxidizer (oxygen), the present invention is at the necessary weld nipple 13 of work progress and stiffening plate 12, owing to being system pipeline 1 surface soldered, the high temperature that produces is flowing because of system pipeline 1 pipe fuel freezing, the high heat drop temperature that just rapidly welding is produced can not burnt brokenly system pipeline 1 and be caused fire (because only having burning-point and oxidizer); After 12 welding of short tube 13 and stiffening plate are finished, in order to determine that welding bead does not have slight crack, short tube 13 and stiffening plate 12 be necessary pressure test all, could bore connected holes 15 by pressure test, behind the driling machine 3, use nitrogen that short tube 12 inner oxygen are forced out on the properly installed line, just can bore connected holes 15, making can be when all dise knife tools 42 or machining tool 43 cutting in the course of working, and the spark that produces contacts with fuel and causes fire.Because as long as the burning three elements have lacked a kind of element, just can breaking out of fire, namely the present invention is in the foundation of construction safety.
Instant processing mode of the present invention, need only in predetermined plug pipe 5 places, the place ahead of the one or both ends of described ab section, respectively the welding short tube 13 identical with described system pipeline 1 caliber adds weldering one stiffening plate 12 (as shown in Figure 2) more in advance, to increase the structural strength of system pipeline 1 described herein, can be beneficial to the effect that supplies to have when driling machine 3 is drilled with connected holes 15 on the line better support and reinforcement system pipeline 1 steel-pipe construction.
As shown in Figure 3 and Figure 4, behind short tube 13 weld reinforcement plates 12, be convenient for changing cutter and chock plug 3 in each described short tube 13 device for upper ends one gate valve 2 again, can prevent the fluid leakage in the system pipeline 1, follow driling machine 3 (Hot Tapping Machine) on gate valve 2 the other end hookup wires on system pipeline 1, driling machine 3 is to be made by U.S. specialized factory on the described line, the argument of non-patent of the present invention, the present invention breaks through before impossible, just with the design of chock plug 5, except bearing hydrodynamic pressure, temperature, scrape injure under the surface of contact unevenness can the complete closed fluid outside, in the design of all dise knife tools 42 with machining tool 43, except bearing hydrodynamic pressure, temperature, cannot see cutting process and can not cause under the prerequisite of burning or exploding and construct.And all dise knife tools 42 just must be by driling machine 3 on the line with support and the transmission of machining tool 43, the measuring rod 31 of driling machine 3 (Measuring rod) rotating screw bolt 33 advanceable strokes are 0~82 o'clock on the described line, the present invention can select different types with system pipeline 1 size, when the screw rod 33 of driling machine on the line 3 is drilled with a hole with the special central cutter 41 of anchor clamps 34 fixings on the tube wall of described system pipeline 1 in advance, again with another all dise knife tool 42 next circular tube walls (as shown in Figure 5) of cutting, and collude and hold after the residence states circular tube wall, withdraw from all dise knife tools 42 and closing gate valve 2 (as shown in Figure 6), be formed with a connected holes 15 between described short tube 13 and the described system pipeline 1 this moment, although the fluid in described system pipeline 1 can rely on described connected holes 15 to flow in the described short tube 13, but there are 2 controls of described gate valve that its grade is closed among the described short tube 13, can not leak detonation pressure out.
As shown in Figure 7, when will reaching sealing effect, chock plug 5 must follow system pipeline 1 internal diameter identical, because of the previous just connected holes 15 of cutting, and the more residual tube wall edges 16 of meeting, chock plug 5 just could enter in the system pipeline 1 therefore! At this moment, for better driving fit and sealing effect is provided, can work as on the described line driling machine 3 after being drilled with described connected holes 15 between described system pipeline 1 and the described short tube 13, the action of again screw rod 33 of driling machine on the line 3 being removed edge 16 or finished edge 16 with 43 pairs of described connected holes 15 of anchor clamps 34 fixings one machining tool; As shown in Figure 8, after edge 16 has been repaired, then return machining tool 43 and closing gate valve 2, can guarantee that so the periphery of described connected holes 15 does not have unnecessary edge 16, impact the installing of instant plug pipe devices and methods therefor on the production line of the present invention.
See also Fig. 9 to shown in Figure 11, instant plug pipe devices and methods therefor on a kind of production line of the present invention, it mainly has driling machine 3 on the line, a chock plug 5 forms
Described chock plug 5 is made of a supporting member 51, a pillar 52 and an elasticity thing 53, described supporting member 51 connects as one by middle-carbon steel with pillar 52 and makes, described supporting member 51 is the taper that the upper end diameter is less, the lower end diameter is larger, described elasticity thing 53 is made with the flexible quality of rubber materials of tool, it generally is half circular pouch, described elasticity thing 53 also tightly fits in described pillar 52 outsides, and described elasticity thing 53 diameters are less than 0.5~0.88 times of described short tube 13 internal diameters.
Utilizing screw rod 33 or the construction of anchor clamps 34 fixing special tools of driling machine 3 on the line as the user, is very safe in course of working, but because of about the 3 compression resistance 1300psi of driling machine on the line; Supporting member 51 its tapers that upper end diameter is less, the lower end diameter is larger because of chock plug 5, ratio is easier to during taking-up, such as Figure 10 and shown in Figure 11, measuring rod 31 on stretching out in described line outside the driling machine 3 is by turn, and the screw rod 33 that makes driling machine 3 on the line is when exerting pressure downwards with the described chock plug 5 of anchor clamps 34 fixings, can make elasticity thing 53 resiliently deformables of chock plug 5 and seal described short tube 13 and the described connected holes 15 of 1 of described system pipeline.
Again as shown in Figure 3, when system pipeline 1 needs normal operation, then in the system pipeline 1 away from old pipeline 11, set up a new reflow pipe 14 and be communicated with, make system pipeline 1 normal operation, action fast thoroughly can be saved time and action that system pipeline 1 is changed.
The elasticity thing 53 of described chock plug 5 is made with the flexible quality of rubber materials of tool, its length then approximates 1.3 times of system pipeline 1 internal diameter, make its chock plug 5 be subjected to driling machine 3 on the described line screw rod 33 drive down, and when described system pipeline 1 its tube wall is conflicted in its bottom, oppressed meeting dilatating and deformable (or resiliently deformable), and it is can be enough airtight and take the inwall of whole system pipeline 1, its contact blocking-up area viewing system pipeline 1 internal diameter is big or small and different, if about wide with about 1 o'clock of 3 o'clock bores blocking-up area, certainly the larger area of then blocking of bore can be wider, blocks the path of described system pipeline 1;
According to managing devices and methods therefor by instant plug on a kind of production line of above-described the present invention, after welding adds a short tube 13 in advance by means of book office on the system pipeline 1, first with a gate valve 2 sealing short tubes 13, to avoid system pipeline 1 interior described fluid to leak from here, rely on again on the line driling machine 3 after being drilled with described connected holes 15 between described system pipeline 1 and the described short tube 13, again chock plug 5 of the present invention is placed in the described short tube 13, and be fixedly arranged on described short tube 13 its open end location with driling machine 3 on its line, rotate that described measuring rod 31 its operation units 32 can down drive described chock plug 5 and continue and advance, it is entered in described system pipeline 1 inside, when elasticity thing 53 its bottoms of described chock plug 5 are supporting described system pipeline 1 tube wall, distortion is expanded to the inwall that is filled up system pipeline 1 because suffering oppression, cause the two ends of described system pipeline 1 and the connected holes 15 between the described short tube 13, all the stopping of elasticity thing 53 because of chock plug 5 forms a closed state, system pipeline 1 inner fluid is blocked as shown in figure 12 front at described elasticity thing 53 of the present invention thus, at last, closing gate valve 2 also takes off driling machine 3 on the line on the gate valve 2, and being locked in gate valve 2 with a blind plate 21 namely finishes construction in addition.
So, can remove and to reduce first the pressure of system pipeline 1 inner fluid when tradition is changed system pipeline 1 or the source must be closed, just can prevent from the process of replace tubes, having the injury of the pressure leakage of fluid, and the defective that may pollute the operational site produces, need not emit the danger of life to change system pipeline 1 with processing method of the present invention, production line is interrupted and impact production and the carrying out of making, and can shorten time and the engineering of changing system pipeline 1, tool promotes it and uses effect and can reach the goal of the invention that the present invention expects.

Claims (4)

1. immediately fill in the pipe device on a production line, it is characterized in that, main book office on a system pipeline, weld the pipe diameter short tube identical with described system pipeline pipe diameter in advance, weld again a stiffening plate, a gate valve is set with the described short tube of sealing control in advance on each described short tube, then on described system pipeline, be drilled with a connected holes through driling machine on the line with cutter, after making described short tube and described system pipeline being communicated with, arrange to finish the described system pipeline person of sealing for chock plug; Wherein:
Described chock plug is made of a supporting member, a pillar and an elasticity thing, described supporting member and pillar connect as one, described supporting member is the taper that the upper end diameter is less, the lower end diameter is larger, described elasticity thing is made with quality of rubber materials, described elasticity thing is half circular pouch, and described elasticity thing tightly fits in described pillar outside.
2. instant plug is managed device on the production line as claimed in claim 1, it is characterized in that, driling machine is made of the screw rod that a measuring rod and that comprises operation unit includes anchor clamps on the described line, described measuring rod stretches out on the described line the outer and described measuring rod inwall of driling machine and is provided with internal thread, described screw surface has outside thread, described measuring rod can drive screw rod with screw thread and be rotated processing, and the measuring rod on stretching out in described line outside the driling machine is by turn.
3. instant plug is managed device on the production line as claimed in claim 1, it is characterized in that, the elasticity thing of chock plug is made with the flexible quality of rubber materials of tool, the elasticity object height degree of chock plug then equals 1.3 times of system pipeline internal diameter, shore supports by the middle-carbon steel metal material, equiblibrium mass distribution system pipeline surface of contact when suffering oppression reaches fully sealing.
4. the method for instant plug pipe on the production line, it is characterized in that, main book office on a system pipeline, weld the pipe diameter short tube identical with described system pipeline pipe diameter in advance, weld again a stiffening plate, a gate valve is set with the described short tube of sealing control in advance on each described short tube, then on described system pipeline, be drilled with a connected holes through driling machine on the line with cutter, after making described short tube and described system pipeline being communicated with, arrange to finish the described system pipeline person of sealing for chock plug; Wherein:
Described chock plug is made of a supporting member, a pillar and an elasticity thing, described supporting member and pillar connect as one, described supporting member is the taper that the upper end diameter is less, the lower end diameter is larger, described elasticity thing is made with quality of rubber materials, described elasticity thing is half circular pouch, and described elasticity thing tightly fits in described pillar outside;
Driling machine and then consisted of by the screw rod that a measuring rod and that comprises operation unit includes anchor clamps on the described line, described measuring rod stretches out on the described line outer and its inwall of driling machine and is provided with internal thread, described screw surface has outside thread, described measuring rod can drive screw rod with screw thread and be rotated processing, measuring rod on stretching out in described line outside the driling machine is by turn, and the screw rod that makes driling machine on the line is when exerting pressure downwards with the described chock plug of anchor clamps fixing, can make the elasticity thing resiliently deformable of chock plug and seal described short tube and described system pipeline between described connected holes.
CN2011102294665A 2011-08-11 2011-08-11 Instant plug pipe device on production line and method thereof Pending CN102927404A (en)

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Application Number Priority Date Filing Date Title
CN2011102294665A CN102927404A (en) 2011-08-11 2011-08-11 Instant plug pipe device on production line and method thereof

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104100801A (en) * 2014-07-29 2014-10-15 广州自来水管道工程有限公司 Water-retaining device and pipeline water-retaining method
CN106224685A (en) * 2016-09-19 2016-12-14 钊田 The on-line production fast plugging device of a kind of small-bore pipeline and method for blocking thereof

Citations (5)

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Publication number Priority date Publication date Assignee Title
US4369813A (en) * 1981-01-26 1983-01-25 Kerotest Manufacturing Corp. Pipe stopper method and apparatus
US5054512A (en) * 1990-04-24 1991-10-08 Jiles Stephen L Insertion assembly for a pipe stopper
EP0541197B1 (en) * 1991-11-08 1997-01-29 Kevin Patrick Murphy Conduit stopper
CN2322021Y (en) * 1998-03-14 1999-06-02 江西长林机械厂特种设备公司 Pipeline leakage repairing device without stopping transferring
US20100236639A1 (en) * 2009-02-20 2010-09-23 Ulc Robotics, Inc. System And Method For Accessing A Pressurized Gas Pipeline

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4369813A (en) * 1981-01-26 1983-01-25 Kerotest Manufacturing Corp. Pipe stopper method and apparatus
US5054512A (en) * 1990-04-24 1991-10-08 Jiles Stephen L Insertion assembly for a pipe stopper
EP0541197B1 (en) * 1991-11-08 1997-01-29 Kevin Patrick Murphy Conduit stopper
CN2322021Y (en) * 1998-03-14 1999-06-02 江西长林机械厂特种设备公司 Pipeline leakage repairing device without stopping transferring
US20100236639A1 (en) * 2009-02-20 2010-09-23 Ulc Robotics, Inc. System And Method For Accessing A Pressurized Gas Pipeline

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104100801A (en) * 2014-07-29 2014-10-15 广州自来水管道工程有限公司 Water-retaining device and pipeline water-retaining method
CN106224685A (en) * 2016-09-19 2016-12-14 钊田 The on-line production fast plugging device of a kind of small-bore pipeline and method for blocking thereof

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Application publication date: 20130213