CN102937225A - Rapid bonding and plugging method and device with pressure - Google Patents
Rapid bonding and plugging method and device with pressure Download PDFInfo
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- CN102937225A CN102937225A CN2012104068678A CN201210406867A CN102937225A CN 102937225 A CN102937225 A CN 102937225A CN 2012104068678 A CN2012104068678 A CN 2012104068678A CN 201210406867 A CN201210406867 A CN 201210406867A CN 102937225 A CN102937225 A CN 102937225A
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Abstract
The invention relates to a rapid bonding and plugging method and device with pressure. According to the invention, a rapid curing adhesive, a high-magnetism sizing magnetic block and the bonding and plugging device are used for performing the operation of rapid bonding and plugging with pressure on leaked containers, pipelines and other appliances without shut down, wherein the rapid curing adhesive and the high-magnetism sizing magnetic block are combined together, and the bonding and plugging device consists of a main operating rod, an auxiliary operating rod, a fastening screw, a magnet installation plate, a sizing magnet, a magnetism reduction plate, a protection plate and a positioning screw. The rapid bonding and plugging method with pressure provided by the invention is simple and convenient to operate and is safe and reliable. The plugging device has a simple structure, occupies a small space, has a wide application range, can be rotated in a range of 360 degrees to be positioned by an operator, and can be used for completing the plugging operation simply, conveniently, flexibly, safely and reliably without operation stop, production stop, cleaning and pressure reduction.
Description
Technical field
The present invention relates to a kind of rapid plugging method for fiberglass with pressure and device, particularly a kind of employing typing magnet piece and rapid curing adhesive carry out quick adhesive blocking method and apparatus with pressure.
Background technique
At present, rapid leakage-blocking method for pressure bearing installation both domestic and external mainly contains contract card anchor clamps leak stopping method, screwing tool leak stopping method and clamp band type colloid-injecting gun leak stopping method.Adopt these blocking methods to have following shortcoming and defect: 1, the leak stopping operator must positive contact leak, can't avoid leak materials particularly poisonous, harmful, leakage under high temperature material to operator's injury; When 2, or leak materials less for the operating space was high temperature, inflammable, explosive hazmat, operator were difficult near leak, that is to say that above-mentioned blocking method can't implement; 3, the supporting assistant tool of above-mentioned blocking method, often need to be for difform leakage facility, and make the assistant tool of different shapes, not only manufacture cost is high, and often long because of the manufacturing cycle, the assistant tool of grade to make, and leak leads to the disaster accident already, need to make according to the diameter of different pipelines the clip of different size during such as pipe leakage, when running into the leakage of large-diameter pipeline and large-scale oil storage tank, be difficult in time finish the leak stopping operation.And as when adopting traditional methods such as welding to implement leak stopping, not only want stop work and production, but also to carry out thorough cleaning to facilities such as leakage container pipelines, particularly to oil, with pressure, very large with the cleaning difficulty of the leakage facility of inflammable, explosive, the strong material of corrosivity, often below standard because of cleaning, and the catastrophic failure such as explosion caused, fire.
For above problem, the inventor once applied for Chinese patent, publication number is 1054128, open day is on 08 28th, 1991, name is called the patent of invention of " rapid leakage-blocking method for pressure bearing installation and equipment ", its rapid leakage-blocking method for pressure bearing installation is the quick belt pressure leakage blocking equipment that adopts this invention, it is stifled to select suitable glue that leak glue according to the character of leak materials, may further comprise the steps: the front end that the leak stopping magnet piece with glue of selection definite shape and size is positioned over leak stoppers is converted on the orientation positions plate of baffle plate of several angle; Described leak stoppers is placed rapidly near the leak, under the magnetic force of fixed magnet, locate, then the master lever of hand-held leak stoppers and secondary operating handle make it near leak, carry injection direction that secondary operating handle makes the baffle part of orientation positions plate and leak materials simultaneously at an angle near leak, the leak stopping magnet piece then moves along a curved path near leak; By secondary operating handle the leak stopping magnet piece is attached to leak, then the pressure-raising pair of exerting oneself operating handle is front and back push-and-pull support also, make sealing leakage glue on the leak stopping magnet fully be placed in the Leak hole seam and the slit of magnet piece and be blocked facility, container or pipeline enclosure in, remove subsequently this equipment; To clean up around leak stopping place with super dry cleaning agent, then adopt the super contact glue of heatproof glue or YO-59 at least one deck area glass cloth of being a bit larger tham leak stopping magnet adhere on the leak stopping magnet piece.The quick belt pressure leakage blocking equipment of this invention comprises master lever and secondary operating handle, be provided with two movable pulleies in the front end both sides of master lever, middle front part is provided with the long strip hole, passes this hole and is provided with the magnet positioning device, is provided with supporting positioning device in the position near handgrip; Secondary operating handle by passing master lever front end and the axle of movable pulley link to each other with movable pulley with master lever, front end at secondary operating handle is connected with the orientation positions plate that a front end is converted into the baffle plate of several angle, be connected with the nonmetallic material protective block of a hollow at the plate part of orientation positions plate, leak stopping magnet is positioned in this protective block, is provided with the rubber residual shim between described leak stopping magnet piece and orientation positions plate.This invention rapid leakage-blocking method for pressure bearing installation and equipment are constructed still, and relative complex, operation underaction, application area have certain limitation.
Summary of the invention
The objective of the invention is to provide in order to solve the deficiencies in the prior art a kind of not only easy and simple to handle, safe, plugging effect is good, and the with pressure quick adhesive blocking method of flexible operation, applied range.
Another object of the present invention provides a kind of not only simple in structure, and easy to manufacture, easy to use flexibly, applied range, can assist to finish the with pressure quick adhesive blocking device of quick adhesive blocking method with pressure.
Quick adhesive blocking method with pressure of the present invention is to adopt quick adhesive blocking device with pressure of the present invention, and concrete steps are as follows:
1, according to geometrical shape and the size of the leak such as container conduit, the typing magnet of selection or manufacturing and its respective shapes and size, this typing magnet is installed on the quick adhesive blocking device with pressure, the top of typing magnet is provided with the magnet mounting plate, centre at typing magnet and magnet mounting plate is provided with the demagnetize plate, and the below is provided with protective layer;
2, according to the character of leak materials, to select an amount of and can place on the protective layer by quick-setting adhesive, protective layer places on the typing magnet, and typing magnet is adsorbed on the magnet mounting plate after by the demagnetize plate;
3, according to the actual conditions of the spatial position of leak, regulate master lever and secondary operating handle, between master lever and the secondary operating handle, location after all can in 360 degree scopes, rotating between secondary operating handle and the magnet mounting plate, make the personnel that implement the leak stopping operation in most convenient, safest position, control adhering device, finish the leak stopping operation;
4, described leakage-baffling device is placed rapidly near the leak, aim at leak above-mentioned typing magnet is pushed down leak, handling simultaneously master lever exerts pressure to leak, adhesive on the typing magnet fully is filled in the hole and slit of leak, after observation is not leaked sign after the several seconds such as summary, remove described leakage-baffling device;
5, clean up with the greasy dirt rust deposite of washing agent with leak stopping place circumferential surface, then select a kind of ageing resistance preferably adhesive will be at least one deck area alkali-free glass wool cloth or carbon fibre cloth of being a bit larger tham the leak stopping magnet piece be pasted on the leak stopping magnet piece.
Quick adhesive blocking device with pressure of the present invention, formed by master lever, the first fastening screw, secondary operating handle, the second fastening screw, magnet mounting plate, adhesive, protective layer, typing magnet, demagnetize plate and set screw, typing magnet places an end of this device, the below of typing magnet is provided with protective layer, protective layer is provided with adhesive, with common Double-face gummed paper the protective layer with adhesive is adhered on the typing magnet; The top of typing magnet is provided with the magnet mounting plate, centre at typing magnet and magnet mounting plate is provided with the demagnetize plate, the demagnetize plate is connected with the magnet mounting plate by set screw, the magnet mounting plate is connected with secondary operating handle by the second fastening screw, secondary operating handle is connected with master lever by the first fastening screw, between master lever and the secondary operating handle, all can in 360 scopes of spending, rotation locate between secondary operating handle and the magnet mounting plate, therefore easily select the safest work orientation of the best at the sticking scene of blocking up operation of enforcement.
Described leak stopping typing magnet is high magnetic magnet, such as the magnetic materials such as neodymium iron boron greater than 30mpa.
The shape of described leak stopping typing magnet is designed to and the shape that is matched by the surface configuration of the leak of the leakage equipment such as leak stopping facility, container or pipeline.
Described adhesive has high strength, oil resistant, water-fast, quick-setting characteristic.
Described protective layer can strengthen intensity and the hardness of adhesive, and can improve the heatproof of adhesive, ageing-resistant and weather resistance.
The thickness of described demagnetize plate can be according to being selected by the concrete condition of the leakage equipment such as leak stopping facility, container or pipeline.
Adopt the present invention, because the demagnetize plate is located between magnet mounting plate and the leak stopping typing magnet piece, and thickness can be adjusted as required, therefore after leak stopping work is finished, separate easily between described leak stopping typing magnet piece and the magnet mounting plate, the needs of the factor such as safe ready designed change when the length thickness of master lever and secondary operating handle can operate according to leak stopping in addition, therefore, as long as design changes to such an extent that rationally just can avoid leakage to the injury of operator's health.
The beneficial effect of the present invention's quick adhesive blocking method and apparatus with pressure: the present invention has adopted magnet piece and the good sealing leakage glue stick of the quick-setting ageing-resistant performance of energy with powerful magnetic force, can do not stop, do not stop production, under the not step-down, the situation of not cleaning, carry out quick adhesive blocking to leaking facility, easy and simple to handle, flexible, safety and applied range, leak can be born the pressure of 55mpa after the leak stopping; Because the outer surface of adhesive has increased the reinforced layer of one deck energy aging-resistant protective layer and glass fibre cloth or carbon fibre cloth, has therefore greatly improved impact resistance and the ageing resistance at adhesive blocking place, its ageing-resistant phase can be greater than 50 years.
Description of drawings:
Fig. 1 is the structural representation of the present invention's quick adhesive blocking method and apparatus with pressure.
The present invention is described in detail below in conjunction with accompanying drawing.
As shown in Figure 1, quick adhesive blocking device with pressure of the present invention is comprised of master lever 1, the first fastening screw 2, secondary operating handle 3, the second fastening screw 4, magnet mounting plate 5, adhesive 6, protective layer 7, typing magnet 8, demagnetize plate 9 and set screw 10, typing magnet 8 places an end of this device, the below of typing magnet 8 is provided with protective layer 7, and protective layer 7 is provided with adhesive 6; The top of typing magnet 8 is provided with magnet mounting plate 5; centre at typing magnet 8 and magnet mounting plate 5 is provided with demagnetize plate 9; typing magnet 8 is adsorbed on the magnet mounting plate 5 after by demagnetize plate 9; demagnetize plate 9 is connected with magnet mounting plate 5 by set screw 10; magnet mounting plate 5 is connected with secondary operating handle 3 by the second fastening screw 4; secondary operating handle 3 is connected with master lever 1 by the first fastening screw 2; between master lever 1 and the secondary operating handle 3; all can in the scope of 360 degree, rotation locate between secondary operating handle 3 and the magnet mounting plate 5; leak stopping typing magnet 8 is high magnetic magnet; such as the magnetic materials such as neodymium iron boron greater than 30mpa; shape be designed to by the leak stopping facility; the shape that the surface configuration of the leak of the leakage such as container or pipeline equipment matches; adhesive 6 has high strength; oil resistant; water-fast; quick-setting characteristic; protective layer 7 can strengthen intensity and the hardness of adhesive 6; and can improve the heatproof of adhesive 6; ageing-resistant and weather resistance, the thickness of demagnetize plate 9 can carry out different choice according to actual conditions.
When needs carried out leak stopping to leaking facility, container or pipeline, quick adhesive blocking method with pressure of the present invention may further comprise the steps:
1, according to geometrical shape and the size of the leak such as container conduit, the typing magnet 8 of selection or manufacturing and its respective shapes and size, this typing magnet 8 is installed on the quick adhesive blocking device with pressure, the top of typing magnet 8 is provided with magnet mounting plate 5, centre at typing magnet 8 and magnet mounting plate 5 is provided with demagnetize plate 9, and the below is provided with protective layer 7;
2, according to the character of leak materials, to select an amount of and can place on the protective layer 7 by quick-setting adhesive 6, protective layer 7 places on the typing magnet 8, and typing magnet 8 is adsorbed on the magnet mounting plate 5 after by demagnetize plate 9;
3, according to the actual conditions of the spatial position of leak, regulate master lever 1 and secondary operating handle 3, between master lever 1 and the secondary operating handle 3, location after all can in 360 degree scopes, rotating between secondary operating handle 3 and the magnet mounting plate 5, make the personnel that implement the leak stopping operation in most convenient, safest position, control adhering device, finish the leak stopping operation;
4, described leakage-baffling device is placed rapidly near the leak, aim at leak above-mentioned typing magnet 8 is pushed down leak, handling simultaneously 1 pair of leak of master lever exerts pressure, adhesive 6 on the typing magnet 8 fully is filled in the hole and slit of leak, then removes described leakage-baffling device;
5, clean up with the greasy dirt rust deposite of washing agent with leak stopping place circumferential surface, then select a kind of ageing resistance preferably adhesive will be at least one deck area alkali-free glass wool cloth or carbon fibre cloth of being a bit larger tham the leak stopping magnet piece be pasted on the leak stopping magnet piece.
Described leak stopping typing magnet 8 is high magnetic magnet; such as the magnetic materials such as neodymium iron boron greater than 30mpa; shape is designed to and the shape that is matched by the surface configuration of the leak of the leakage equipment such as leak stopping container, pipeline; adhesive 6 has high strength, oil resistant, water-fast, quick-setting characteristic; protective layer 7 can strengthen intensity and the hardness of adhesive 6, and can improve the heatproof of adhesive 6, ageing-resistant and weather resistance.
Adopt the present invention, because the demagnetize plate is located between magnet mounting plate and the leak stopping typing magnet piece, and thickness can be adjusted as required, therefore after leak stopping work is finished, separate easily between described leak stopping typing magnet piece and the magnet mounting plate, the needs of the factor such as safe ready designed change when the length thickness of master lever and secondary operating handle can operate according to leak stopping in addition, therefore, as long as design changes to such an extent that rationally just can avoid leakage to the injury of operator's health.
Embodiment
For the ease of those skilled in the art's understanding, the present invention is described in further detail below in conjunction with specific embodiment and accompanying drawing.
The sticking of embodiment's one steam line leak blocked up
Adopt the present invention's quick adhesive blocking method and apparatus with pressure that the steam line leak is carried out the pressure sealing test.Vapor pressure 8kg in the pipeline, about 165 degree of temperature, pipe diameter 200mm Leak hole diameter is 8mm.Adopt the present invention's quick adhesive blocking method and apparatus with pressure to carry out leak stopping, according to pipe diameter, the plane magnet piece 8 that selection is of a size of 20 * 20 * 10mm is positioned over a fritter quick-acting gelatin for stopping leakage adhesive 6 on the described plane magnet piece 8, then be placed on the demagnetize plate 9, leakage-baffling device is positioned over rapidly near the leak subsequently, after choosing the optimum operation orientation, plane magnet piece 8 is gone to the leak pressure, hold simultaneously master lever 1, exert pressure towards leak, 5 seconds after making quick-acting gelatin for stopping leakage adhesive 6 fully be filled in the Leak hole, leak and namely end, then carrying master lever 1 handle assembly removes, leak stopping plane magnet piece 8 is stayed leak, clean up around leak stopping place with washing agent subsequently, cover after the quick-acting gelatin for stopping leakage adhesive 6 that will add the nanometer reinforcing agent is mixed well and be applied to leak stopping plane magnet and go up all around, then getting the alkali-free glass wool cloth that area is a bit larger tham the area of leak stopping plane magnet piece is covered on the leak stopping plane magnet piece, be coated with again the above-mentioned quick-acting gelatin for stopping leakage adhesive 6 of one deck, get final product after the curing.
Example two oil storage tank plugging tests
Volume of certain oil depot is the oil storage tank of 15 cubes storage gasoline, leak the weld joint, the length of gap leakage is 8mm, adopt the with pressure quick adhesive blocking method and apparatus identical with example one, just select to have used the neodymium iron boron planar magnetic iron block 8 of 20 * 20 * 10mm, only leak for 2 seconds and namely end, respond well.
Example three laboratory water pipe pressure sealing tests
Selecting caliber is the seamless steel pipe of 50mm, one of steel pipe is welded with end socket, a water receiving is pressed pressurizer, after being pressurized to 4mpa, bore the aperture that diameter is 6mm at steel pipe, water ejects from the aperture of steel pipe, constantly the hydraulic pressure pressurizer is pressurizeed simultaneously, make the pressure in the hydraulic pressure pressurizer basically keep constant, select the typing leak stopping magnet piece 8 of 30 * 30 * 15mm, select an one concave curvature radius be the one side of 25mm as leak stopping face, can coincide well with steel pipe leak surface energy.Adopt example one described quick adhesive blocking method and apparatus with pressure, do not stopping water supply, carry out the pressure sealing test in the situation that does not stop to pressurize, once success.Carry out applied voltage test after adhesive 6 thoroughly solidifies, the exert pressure in the hydraulic pressure pressurizer is during to 55mpa, and the adhesive blocking place occurs without leaking, and subsequently test is beaten with wooden stick by the adhesive blocking place, after beaing also without leaking generation.
Above-mentioned embodiment is the preferred embodiments of the present invention, is not the present invention is done any pro forma restriction; But the those of ordinary skill of all industry is all implemented the present invention with the above shown in the by specification accompanying drawing swimmingly; But all those skilled in the art can utilize the disclosed above technology contents and some changes, the modification of making and the equivalent variations that develop within not breaking away from the technical solution of the present invention scope, be equivalent embodiment of the present invention; Simultaneously, all foundations essence technology of the present invention all is included within protection scope of the present invention other any change or other equivalent substitute modes that do not deviate from technological scheme of the present invention and make that above embodiment does.
Claims (7)
1. a quick adhesive blocking method with pressure is characterized in that, may further comprise the steps:
A, according to geometrical shape and the size of the leak such as container conduit, the typing magnet (8) of selection or manufacturing and its respective shapes and size, this typing magnet (8) is installed on the quick adhesive blocking device with pressure, the top of typing magnet (8) is provided with magnet mounting plate (5), centre at typing magnet (8) and magnet mounting plate (5) is provided with demagnetize plate (9), and the below is provided with protective layer (7);
B, according to the character of leak materials, select an amount of also placing on the protective layer (7) by quick-setting adhesive (6), protective layer (7) places in typing magnet (8), and typing magnet (8) is adsorbed on the magnet mounting plate (5) after by demagnetize plate (9);
C, according to the actual conditions of the spatial position of leak, regulate master lever (1) and secondary operating handle (3), between master lever (1) and the secondary operating handle (3), location after all can in 360 degree scopes, rotating between secondary operating handle (3) and the magnet mounting plate (5), make the personnel that implement the leak stopping operation in most convenient, safest position, control adhering device, finish the leak stopping operation;
D, described leakage-baffling device is placed rapidly near the leak, aim at leak above-mentioned typing magnet (8) is pushed down leak, handling simultaneously master lever (1) exerts pressure to leak, adhesive (6) on the typing magnet (8) fully is filled in the hole and slit of leak, then removes described leakage-baffling device;
E, clean up with the greasy dirt rust deposite of washing agent with leak stopping place circumferential surface, then select a kind of ageing resistance preferably adhesive at least one deck area alkali-free glass wool cloth or carbon fibre cloth of being a bit larger tham leak stopping typing magnet (8) be pasted on the leak stopping magnet piece.
2. quick adhesive blocking method with pressure according to claim 1 is characterized in that: described leak stopping typing magnet (8) is high magnetic magnet.
3. quick adhesive blocking method with pressure according to claim 2 is characterized in that: the shape of described leak stopping typing magnet (8) is designed to and the shape that is matched by the surface configuration of the leak of leak stopping facility, container or pipeline.
4. quick adhesive blocking device with pressure, it is characterized in that: this device is comprised of master lever (1), the first fastening screw (2), secondary operating handle (3), the second fastening screw (4), magnet mounting plate (5), adhesive (6), protective layer (7), typing magnet (8), demagnetize plate (9) and set screw (10), typing magnet (8) places an end of this device, the below of typing magnet (8) is provided with protective layer (7), and protective layer (7) is provided with adhesive (6); The top of typing magnet (8) is provided with magnet mounting plate (5), centre at typing magnet (8) and magnet mounting plate (5) is provided with demagnetize plate (9), demagnetize plate (9) is connected with magnet mounting plate (5) by set screw (10), magnet mounting plate (5) is connected with secondary operating handle (3) by the second fastening screw (4), and secondary operating handle (3) is connected with master lever (1) by the first fastening screw (2).
5. quick adhesive blocking device with pressure according to claim 4 is characterized in that: between described master lever (1) and the secondary operating handle (3), all can rotation locate in the scope of 360 degree between secondary operating handle (3) and the magnet mounting plate (5).
6. quick adhesive blocking device with pressure according to claim 5 is characterized in that: described leak stopping typing magnet (8) is high magnetic magnet.
7. quick adhesive blocking device with pressure according to claim 6 is characterized in that: the shape of described leak stopping typing magnet (8) is designed to and the shape that is matched by the surface configuration of the leak of leak stopping facility, container or pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210406867.8A CN102937225B (en) | 2012-10-23 | 2012-10-23 | A kind of rapid link blocking method with pressure and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210406867.8A CN102937225B (en) | 2012-10-23 | 2012-10-23 | A kind of rapid link blocking method with pressure and device |
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| Publication Number | Publication Date |
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| CN102937225A true CN102937225A (en) | 2013-02-20 |
| CN102937225B CN102937225B (en) | 2015-10-14 |
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| CN201210406867.8A Expired - Fee Related CN102937225B (en) | 2012-10-23 | 2012-10-23 | A kind of rapid link blocking method with pressure and device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327653A (en) * | 2017-06-28 | 2017-11-07 | 宁波兴光燃气集团有限公司 | A kind of plugging device repaired applied to pipeline on-line production |
| CN107939062A (en) * | 2017-11-06 | 2018-04-20 | 华南理工大学 | The method that thin fiber board reinforces maintenance shell class steel construction online |
| CN109502046A (en) * | 2018-11-23 | 2019-03-22 | 国营芜湖机械厂 | A kind of small space is interior to solidify the magnetic force pressure method repaired and subsidized with splicing |
| CN111102427A (en) * | 2018-10-25 | 2020-05-05 | 中国石油化工股份有限公司 | Method for reinforcing and repairing metal pipeline by using carbon fiber cloth vacuum infusion technology |
| CN111268296A (en) * | 2018-12-04 | 2020-06-12 | 北京航天试验技术研究所 | Portable quick pressure leaking stoppage device for storage tank |
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| CN1054128A (en) * | 1991-03-09 | 1991-08-28 | 山东省特种粘接技术研究所 | Rapid leakage-blocking method for pressure bearing installation and equipment |
| CN1259474A (en) * | 1999-12-16 | 2000-07-12 | 金雹峰 | Magnetic pressure leak blockage device |
| CN2449636Y (en) * | 2000-10-20 | 2001-09-26 | 吴知 | Rod type glass cleaning implement |
| CN2505017Y (en) * | 2001-10-14 | 2002-08-14 | 毕嗣东 | Door and window glass cleaner |
| RU2190148C2 (en) * | 1999-11-30 | 2002-09-27 | Общество с ограниченной ответственностью "Газобезопасность" | Device for elimination of leakage |
| CN2580275Y (en) * | 2002-11-04 | 2003-10-15 | 朱志强 | Leak blocking device |
| JP2011185362A (en) * | 2010-03-09 | 2011-09-22 | Jfe Steel Corp | Simple method and simple tool for stopping water during water leakage from steel pipe |
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2012
- 2012-10-23 CN CN201210406867.8A patent/CN102937225B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1054128A (en) * | 1991-03-09 | 1991-08-28 | 山东省特种粘接技术研究所 | Rapid leakage-blocking method for pressure bearing installation and equipment |
| RU2190148C2 (en) * | 1999-11-30 | 2002-09-27 | Общество с ограниченной ответственностью "Газобезопасность" | Device for elimination of leakage |
| CN1259474A (en) * | 1999-12-16 | 2000-07-12 | 金雹峰 | Magnetic pressure leak blockage device |
| CN2449636Y (en) * | 2000-10-20 | 2001-09-26 | 吴知 | Rod type glass cleaning implement |
| CN2505017Y (en) * | 2001-10-14 | 2002-08-14 | 毕嗣东 | Door and window glass cleaner |
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| JP2011185362A (en) * | 2010-03-09 | 2011-09-22 | Jfe Steel Corp | Simple method and simple tool for stopping water during water leakage from steel pipe |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327653A (en) * | 2017-06-28 | 2017-11-07 | 宁波兴光燃气集团有限公司 | A kind of plugging device repaired applied to pipeline on-line production |
| CN107939062A (en) * | 2017-11-06 | 2018-04-20 | 华南理工大学 | The method that thin fiber board reinforces maintenance shell class steel construction online |
| CN111102427A (en) * | 2018-10-25 | 2020-05-05 | 中国石油化工股份有限公司 | Method for reinforcing and repairing metal pipeline by using carbon fiber cloth vacuum infusion technology |
| CN109502046A (en) * | 2018-11-23 | 2019-03-22 | 国营芜湖机械厂 | A kind of small space is interior to solidify the magnetic force pressure method repaired and subsidized with splicing |
| CN111268296A (en) * | 2018-12-04 | 2020-06-12 | 北京航天试验技术研究所 | Portable quick pressure leaking stoppage device for storage tank |
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|---|---|
| CN102937225B (en) | 2015-10-14 |
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