KR101868989B1 - Multi-type sewer pipe repair equipment that can be used as water diverting device - Google Patents

Multi-type sewer pipe repair equipment that can be used as water diverting device Download PDF

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Publication number
KR101868989B1
KR101868989B1 KR1020180008537A KR20180008537A KR101868989B1 KR 101868989 B1 KR101868989 B1 KR 101868989B1 KR 1020180008537 A KR1020180008537 A KR 1020180008537A KR 20180008537 A KR20180008537 A KR 20180008537A KR 101868989 B1 KR101868989 B1 KR 101868989B1
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South Korea
Prior art keywords
base
pipe
coupled
moving means
repairing
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KR1020180008537A
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Korean (ko)
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나정환
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나정환
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/06—Methods of, or installations for, laying sewer pipes
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/06—Methods of, or installations for, laying sewer pipes
    • E03F2003/065—Refurbishing of sewer pipes, e.g. by coating, lining

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sewage (AREA)

Abstract

The present invention relates to a sewer pipe repairing apparatus for a pipe diameter multi-type water stopper, comprising: a base for forming a passage therein and forming a coupling portion on one side; an expansion tube having an accommodation space formed therein and fitted and coupled with an outer diameter of the base, an injection port being formed on one side and an outlet provided with a valve being formed on the other side; a vortex tube detachably coupled to the base to heat the air injected into the inlet through the connecting hose; a repairing material installed so as to surround the periphery of the expansion tube by impregnating the repairing chemical solution; a moving means constituting a wheel coupled to the base so as to be movable along the sewer line; and a sealing cap which is detachably coupled to the coupling portion of the base and opens and closes a passage inside the sealing cap. The sealing cap may be used for water blocking or repairing of the sewer pipe.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-type sewage pipe repairing apparatus,

More particularly, the present invention relates to a sewage pipe repairing apparatus for a multi-pipe multi-type water tank, and more particularly, it relates to a sewage pipe repairing apparatus capable of repairing a sewage pipe through heating of air supplied to a containment space of a swelling tube, It can be used both as a water jacket through use and can be applied irrespective of the diameter of the sewer pipe and the length of the base and can be used for automatic operation of the roller part using the driving motor automatically, The present invention relates to a sewer pipe repairing apparatus for a multi-type pipe multi-type watertightness repairing apparatus, which can smoothly repair a bent portion of a sewer pipe.

In recent years, with the increase of urbanization and traffic volume, as the interest in construction costs, social loss costs, safety accidents, and environmental problems caused by excavation construction has increased, sewage pipe repair methods have been actively applied at home and abroad.

In particular, the un-drilling method is in contrast to the drilling method that digs the ground and completely replaces the sewer pipe. Such un-drilling repair method is very economical because it is only about 65-80% (partial breakage) of the drilling repairing cost.

In addition, the non-excavated repair method can be divided into an exponent injection method and a partial reinforcement method. The exponent injection method is often known as a chemical grouting method or a repair method, and the reinforcing method is a method of attaching a reinforcing sheet .

In this case, the chemical liquid injection method is used to fill the gap between the drainage pipe and the circumference of the sewer pipe joint, and it is also applicable to the case of a small hole or a radial crack in the pipe wall. It is used to inhibit the penetration of groundwater caused by a bad pipe, a pipe crack, a circumferential gap, a gap in a joint.

In addition, the partial reinforcement method is applied to reinforce a portion where the existing pipe is aged and partially cracked, and a place where local breakage has occurred due to a concentrated load. Such a conventional technique is disclosed in Korean Patent Registration No. 10-1515163, Repairing device ".

KR 10-1515163 (2015.04.20.) B1 "Sewer pipe repair device" - UnderTech Corporation

However, the conventional sewage pipe repairing apparatus described above has a problem that the efficiency of construction is lowered because the packer has to be left in a state of being expanded for a long time in order to adhere the lining material.

Also, it was pointed out that it could only be used as a sewer line maintenance device, could not be used for draining the sewer line, and was unable to run curves, so that it could be repaired only in a straight sewer line, not a curved line.

It is an object of the present invention to provide a method and an apparatus for controlling a chemical reaction of a maintenance chemical solution impregnated in a maintenance material without a separate boiler oven because the air supplied to the accommodation space of the swirl tube can be heated through the vortex tube, The present invention provides a sewage pipe repairing apparatus for a multi-type pipe type multi-type water tank which can be used as a water tapping device instead of a sewer pipe repair device through the use of a sealed cap.

In addition, the present invention is not only capable of replacing the wheel shaft of the roller unit constituted by the moving means with the length corresponding to the diameter of the sewage pipe, but also by assembling a plurality of shafts separated by coupling, And it is an object of the present invention to provide a sewage pipe repair apparatus having a multi-type pipe type multi-type water tank which can automatically operate the roller unit through a bevel gear interlocked with a drive motor, thereby facilitating the transfer of the repair apparatus.

In addition, the present invention provides a sewer pipe repair apparatus for a multi-type multi-type water tank which can smoothly perform repair of a bent sewer pipe by curving a sewage pipe by making a base having an expansion tube fitted thereto with a spiral spring having elasticity The purpose.

According to an aspect of the present invention, there is provided a plasma display apparatus including: a base having a passage formed therein; An expansion tube having an accommodation space formed therein and fitted and coupled with an outer diameter of the base, an injection port formed at one side and an outlet provided with a valve at the other side; A vortex tube detachably coupled to the base to heat the air injected into the inlet through the connecting hose; A repairing material installed so as to surround the periphery of the expansion tube by impregnating the repairing fluid; A moving means constituting a wheel coupled to the base so as to be movable along the sewer line; And a sealing cap which is detachably coupled to the coupling portion of the base and opens and closes an inner passage, wherein the water cap can be repaired or repaired depending on whether the sealing cap is used or not. Maintenance apparatus.

According to the present invention, there is provided a sewage pipe repairing apparatus for a multi-type multi-type water tank, which is capable of heating air supplied to a containment space of a swell tube through a vortex tube, thereby improving the chemical reaction rate of the repair chemical immersed in the repair material Therefore, it is possible to increase the efficiency of construction by quickly repairing the sewer line, and it is also possible to use it as a water damper device instead of the sewer pipe repair device through the use of the sealed cap.

In addition, the present invention is not only capable of replacing the wheel shaft of the roller unit constituted by the moving means with the length corresponding to the diameter of the sewage pipe, but also by assembling a plurality of shafts separated by coupling, And the roller unit can be automatically operated through the bevel gear interlocked with the driving motor, thereby facilitating the transfer of the maintenance apparatus.

In addition, according to the present invention, the base on which the expansion tube is inserted is made of a spiral spring having elasticity, so that the curved line of the sewage pipe can be traveled, and the repair of the bent portion of the rounded sewage pipe can be smoothly achieved.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a sewage pipe repair apparatus for a multi-type multi-type water pipe of the present invention. FIG.
FIG. 2 is a front view showing a state in which a sewage pipe repairing and repairing device, which is a combination of a multi-type pipe type multi-type water treatment system according to the present invention, is installed in a sewage pipe;
3 is a perspective view showing a state in which the moving means of the sewage pipe repairing device combined with the multi-walled multi-type water tank of the present invention is automated.
FIG. 4 is an exploded perspective view showing a sewage pipe repair apparatus in combination with the present invention. FIG.
5 is a sectional view showing a state in which a sewer pipe line repairing apparatus is used to repair a sewage pipe line repairing pipe multi-type water damper according to the present invention.
6 is a perspective view showing a state in which the base of the present invention is manufactured by a helical spring.
FIG. 7 is an exploded perspective view of a spiral spring type separating sewer pipe repair apparatus according to the present invention, which is a combined type multi-type water separator. FIG.
8 is a cross-sectional view showing a state in which a sewage pipe repairing device combined with a multi-walled multi-type water tank of the present invention curvedly runs over a bent portion of a sewer pipe;
9 is a cross-sectional view showing a state where a water film is formed using the present invention.

Hereinafter, the structure of the present invention will be described.

1 to 5 and 9, the present invention relates to a sewer pipe repairing apparatus having a multi-walled multi-walled water tank, comprising: a base (10) defining a passage (11) therein and forming a coupling portion (13) ); And the other end of which is provided with a discharge tube 17 provided with a valve 15. The expansion tube 21 is connected to the outer tube 21 through the inlet tube 13, 20); A vortex tube 30 detachably coupled to the base 10 to heat the air injected into the injection port 13 through the connection hose 31; A repairing material (40) installed so as to surround the periphery of the expansion tube (20) by impregnating with a maintenance chemical solution; A moving means (50) constituting a wheel (542) coupled to the base (10) so as to be movable along the sewer line (1); And a sealing cap 60 which is detachably coupled to the coupling part 13 of the base 10 to open and close the inside passage 11. The sealing cap 60 is connected to the drain pipe 1 ) Can be carried out or repaired, which will be described in more detail below.

First, the base 10 has a structure for installing the expansion tube 20 as shown in FIGS. 1 to 9, in which a passage 11 is formed inside and a coupling portion 13 is formed on one side .

The coupling portion 13 may be formed by a conventional method such as bolt coupling or the like. However, the coupling portion 13 may be formed of a female screw on one inner circumferential surface of the base 10 in order to easily engage and disengage the sealing cap 60 desirable.

The base 10 may be formed in a cylindrical shape so as to form the passage 11 therein. However, the base 10 may be formed simply by forming a curved portion of the rounded sewage pipe 1 to run on the curve of the sewage pipe 1 When the base 10 is made of the helical spring 12 as described above, no separate shaft is connected to the forward and rearward moving means 50, So that it can be individually operated.

When the base 10 is made of a spiral spring 12, the spiral spring 12 is further provided with a cylindrical portion 14 having a coupling portion 13 formed on one side thereof, The sealing cap 60 must be able to be detached and attached to the base 10 made of the same type and a separate cylindrical portion is provided on the other side of the spiral spring 12 for easy installation of the moving means 65 It is preferable to include it.

Second, the expansion tube 20 is made of a stretchable material and is inserted into the outer diameter of the base 10 to be coupled thereto. The expansion tube 20 is formed with an accommodation space 21 in which air is filled, It is preferable that the expansion tube 20 is expanded not only inside but also outwardly.

An injection port 13 for injecting compressed air into the accommodation space 21 is formed at one side of the expansion tube 20 and an excessive supply of compressed air to the accommodation space 21 is provided at the other side of the expansion tube 20. [ The discharge port 17 is provided with a common valve 15 for maintaining the pressure of the air filled in the accommodation space 21 at all times, that is, a pressure valve It is more preferable to prevent over-expansion of the expansion tube 20.

Third, the vortex tube 30 is configured to heat the compressed air injected into the accommodation space 21 of the expansion tube 20 through the injection port 23, as shown in FIGS. 1 to 8, A supply section 32 for supplying compressed air from a conventional air generator (not shown), a first jetting section 33 for converting the air supplied through the supply section 32 into hot air and injecting the hot air, And a second injection part 34 for converting the air supplied through the supply part 33 into cold air and injecting the cooled air. In the present invention, the first injection part of the vortex tube 30 expands through the connection hose 31 Is connected to the injection port (23) of the tube (20).

Thus, the pressurized air supplied through the air generator is heated through the vortex tube 30 and then supplied to the receiving space 21 of the expansion tube 20 via the connection hose 31, so that the expansion tube 20 The chemical reaction speed of the maintenance member 40 wound around the expansion tube 20 is improved by the act of warming up and the cold air sprayed through the second spraying portion 34 does not need to be used, It can be easily discharged to the outside of the sewage pipe via a hose on the sewage pipe.

Fourth, the repair material 40 is configured to be wound on the outer side of the expansion tube 20 for repairing the doh tube 1 as shown in FIGS. 1 to 3 or 5, 6 and 8, And the impregnated glass fiber or the like. Such a repair material 40 is well known in the art, and thus a detailed description thereof will be omitted.

Fifth, the moving means 50 is configured to be coupled to the base 10 so that the present invention can be easily moved along the sewer pipe 1, as shown in FIGS. 1 to 8, And it is preferable that it is configured to be detachable for easy use.

In addition, in addition to the method of manually operating the up-shifting means 50, the present invention may further include a driving motor 230 to be automatically moved to the shifting means 50. At this time, A first installation operation part 510 coupled to one side of the base 10 and a second installation operation part 520 connected to the other side of the base 10, A driving motor 530 for operating any one of the first and second installation operation units 510 and 520 and a roller unit 540 connected to the first and second installation operation units 510 and 520, The configuration is described in more detail below.

The first mounting operation portion 510 of the moving means 50 is coupled to one side of the base 10 to form a rear wheel and is connected to one side of the base 10 through a bracket 51, And a first bevel gear 512 disposed inside the first body 511. The first bevel gear 512 is connected to a driving motor (not shown) And a first driven gear 514 coupled to the first driven gear 513 and rotating the roller unit 540. The first driven gear 513 is coupled to the shaft of the first driven gear 513,

The first driven gear 514 may further include a first pivot 516 formed on both sides of the first driven gear 514 to form a first coupling portion 515 protruding from both sides of the first body 511, The first fastening part 515 includes a polygonal groove 515a in which the roller part 540 is fitted so that the roller part 540 can be easily and firmly engaged with the roller part 540, And a bolt hole 515b for bolt-fastening the roller portion 540. It is further preferable that the first pivot shaft 516 is mounted to be coupled to the first body 511 for stable operation Do.

The second mounting operation portion 520 of the moving means 50 is configured to be coupled to the other side of the base 10 in order to form a front wheel and is connected to the other side of the base 10 through a bracket 51, And a pivoting member that is coupled to the second body 521 in order to engage with the roller unit 540. The second body 521 is coupled to the second body 521,

Here, the pivoting member may be any member provided inside the second body 521 so that the roller unit 540 can be easily rotated. However, A second bevel gear 522 or a second driven gear 523 and a second bevel gear 523 engaged with the second driven gear 523 to rotate the roller portion 40 for interlocking with the first bevel gear 512, The second driven gear 524 and the second driven gear 524. The second driven gear 524 has a second coupling portion 525 projecting to both sides of the second body 521 on both sides of the second driven gear 524, The second fastening part 525 is formed with a plurality of grooves 525a and a bolt hole 525b in the same manner as the first fastening part 515. [ . ≪ / RTI >

When the second bevel gear 522 is interlocked through the first bevel gear 512 as described above, the interlocking gear 517 engaged with the first driven gear 514 of the first bevel gear 512 The interlocking gear 517 of the first bevel gear 512 and the second main gear 524 of the second bevel gear 522 are coupled to the shaft 550 Therefore, according to the present invention, it is possible to realize the four-wheel drive by using one drive motor 530. In addition,

In addition, the shaft 550 may be integrally formed, but it is preferable that the shaft 550 is divided into a plurality of parts so that the shaft 550 can be assembled with different lengths according to the base 10 required for maintenance and repair of the sewer pipe 1, The shaft 550 is preferably rigidly connected through a coupling 551 and assembled.

The driving motor 530 of the moving means 50 may be selectively coupled to the first or second mounting operation portion 510 or 520 so that the first bevel gear 512 or the second bevel gear 512 may be selectively coupled to the first mounting operation portion 510 or the second mounting operation portion 520, (522), and is engaged with the bracket (51) to rotate the first main gear (513) or the second main gear (523).

The roller unit 540 of the shifting means 50 constitutes a wheel 542 for transferring the first and second driven gears 514 and 524 constituting the first and second bevel gears 512 and 522, The wheel shafts 515 and 525 are engaged with the first and second fastening portions 515 and 525 of the first and second driven gears 514 and 524, respectively, 541, and wheels 542 coupled to both sides of the respective wheel shafts 541, respectively.

Therefore, the roller unit 540 can be installed with different lengths of the wheel shafts 541 according to the diameter of the sewage pipe 1.

In addition, the present invention may further include an inspection unit 560 for confirming the repair section of the sewage pipe 1 through image capturing. The configuration of the inspection unit 560 may be such that the first and second installation operation units An installation bracket 563 which rotates at an angle of 180 ° by the rotation of the rotation motor 561 is formed in the first installation operation part 510 positioned at any one of the first and second installation parts 510 and 520, The bracket 563 may be easily formed by including the camera 565 and the illumination 567.

The inspection unit 560 may be easily installed on the bracket 51 to which the moving means 50 is coupled and it is preferable that the rotation motor 561 is protected through a normal cover.

Sixth, the sealing cap 60 is configured to use the present invention as a water film as shown in FIG. 9, and has a male thread formed on the outer circumferential surface for easy coupling with the engaging portion 13 formed in the base 10 .

When the closure cap 60 is used as described above, it is preferable to use the closure cap in a detached state except for the base 10 and the expansion tube 20. In order to distribute the pressure of the water, It is more preferable to have a structure protruding in an arcuate shape.

The operation according to the preferred configuration of the present invention as described above will be described below.

First, after the maintenance material 40 impregnated with the repairing chemical is impregnated on the outer circumferential surface of the expansion member 20 fitted to the outer surface of the base 10, the transfer means 50 is coupled to the front and rear of the base 10 The injection port 23 of the expansion tube 20 and the first injection part 33 of the vortex tube 30 are connected to the connection hose 31).

Thereafter, a hose (not shown) of an air generator is connected to the supply part 32 of the vortex tube 30 and then the assembled sewage pipe 1 is installed in the sewage pipe 1, ) Is completed.

In this state, the present invention can be moved along the sewer pipe 1, wherein the moving method can perform manual movement or automatic movement using a driving motor according to the structure of the moving means 50. [

In addition, when the base 10 is made of a helical spring 12 type having a cylindrical portion 15 having a coupling portion 13 formed on one side thereof, not only the straight section of the sewer pipe 1 but also a curved line So that the convenience of the work can be improved.

In addition, when the moving means 50 before and after using the cylindrical type base 1 are connected to the shaft 550, the automatic movement of the present invention using the driving motor 530 can be realized with four-wheel drive, The sewer pipe 1 can be smoothly moved even in the uneven section of the sewer pipe 1, and the sewage pipe 1 can be more easily repaired.

The length of the shaft 550 and the length of the wheel shaft 541 can be adjusted by using the coupling 551 regardless of the length of the base 10 or the diameter of the sewer pipe 1, It becomes possible to perform maintenance of the sewage pipe 1 having various sizes, diameters and structures.

Particularly, in the present invention, the compressed air injected into the accommodation space 21 of the expansion tube 20 can be heated to about 80 ° C. by using the vortex tube 30 for expansion of the expansion tube 20, 40 can improve the chemical reaction speed of the maintenance medicines impregnated in the sewage pipe 1, thereby improving the efficiency of the construction because the sewage pipe 1 can be quickly repaired.

In addition, the present invention can be used not only for the maintenance work of the sewage pipe 1 but also for the water film, which is a state in which all of the components other than the base 10 and the expansion tube 20 of the present invention are detached As shown in FIG.

That is, the sealing cap 60 is screwed to the coupling portion 13 of the base 10 to which the expansion tube 20 is coupled to seal the inner passage of the base 10, The expansion pipe 20 is expanded through the opening of the water pipe 1 to seal the sewer pipe 1, so that it is possible to use the expansion pipe 20 as a water film.

As described above, according to the present invention, the sewage pipe 1 can be quickly repaired by heating the air supplied to the accommodation space 21 of the squeeze tube 20, thereby improving the efficiency of construction, And can be used regardless of the diameter of the sewage pipe 1 and the length of the base and can be used independently and automatically by the automatic operation of the roller unit 540 using the driving motor 530. [ And the base 10 can be made of a spiral spring 12 type having elasticity to smoothly repair the bent portion of the sewer pipe 1.

While the present invention has been described in connection with certain exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention.

1: sewer line
10: base 11: passage 12: helical spring 13: engaging portion 15: cylindrical portion
20: expansion tube 21: accommodation space 23: injection port 25: valve 27:
30: Vortex tube 31: Connection hose 32: Supply part 33, 34: First and second branch parts
40: Repairs
50: moving means 51: bracket
[0001] The present invention relates to an apparatus and a method for operating the same, and more particularly, to an apparatus and a method for operating the same. 517: Interlocking gear
A second driving gear 522, a second bevel gear 523, a second driven gear 524, a second driven gear 525, a second coupling portion 525a, a polygonal groove 525b, a bolt hole 526,
530: drive motor
540: roller portion 541: wheel shaft 542: wheel
550: shaft 551: coupling
560: Inspection unit 561: Rotation motor 563: Mounting bracket 565: Camera 567: Lighting
60: wheat beetle
100: Water pipe repair system

Claims (6)

A base 10 defining a passage 11 therein and forming a coupling portion 13 at one side thereof;
And an expansion tube (23) is formed at one side thereof and an outlet (27) provided with a valve (25) is provided at the other side of the tube (21) 20);
A vortex tube 30 detachably coupled to the base 10 to heat the air injected into the injection port 23 through the connection hose 31;
A repairing material (40) installed so as to surround the periphery of the expansion tube (20) by impregnating with a maintenance chemical solution;
A moving means (50) constituting a wheel (542) coupled to the base (10) so as to be movable along the sewer line (1);
And a sealing cap 60 detachably coupled to the coupling portion 13 of the base 10 to open and close the passageway 11 therein,
Wherein a water film of the sewage pipe (1) can be repaired or repaired depending on whether the sealing cap (60) is used or not.
2. The apparatus according to claim 1, wherein the base (10) is made of a helical spring (12) having an elastic force so as to be able to travel in a curve using the moving means (50), and a cylindrical portion (15) Wherein the water supply pipe is connected to the drain pipe.
3. The apparatus according to claim 1 or 2, wherein the moving means (50)
A first mounting body 510 including a first body 511 detachably coupled to one side of the base 10 and a first bevel gear 512 disposed inside the first body 511, ;
A second mounting operation part 520 composed of a second body 521 detachably coupled to the other side of the base 10 and a second bevel gear 522 provided inside the second body 521;
A driving motor 530 coupled to the first installation operation part 510 or the second installation operation part 520 to operate the first bevel gear 512 or the second bevel gear 522;
A wheel shaft 541 detachably coupled to both sides of the first and second bevel gears 512 and 522 and a roller portion 540 constituting a wheel 542 coupled to the wheel shaft 541 And the water pipe is connected to the drain pipe.
4. The sewage pipe maintenance and repair system according to claim 3, wherein the moving means (50) further comprises a shaft (550) for connecting the first and second bevel gears (512, 522) Device.
5. The sewage pipe maintenance apparatus according to claim 4, wherein the shaft (550) is divided into a plurality of shafts (550) and assembled through a coupling (551).
4. The apparatus according to claim 3, wherein the first installation operation part (510) or the second installation operation part (520) is provided with an installation bracket (563) which rotates at an angle of 180 ° according to the driving of the rotation motor (561) Further comprising a camera (565) provided in the water tank (563) and an inspection unit (560) composed of an illumination (567).
KR1020180008537A 2018-01-24 2018-01-24 Multi-type sewer pipe repair equipment that can be used as water diverting device KR101868989B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102082179B1 (en) * 2019-05-24 2020-02-27 주식회사 힘센기술 Air cooling uv lamp machine and method for repairing underground pipe using this same
KR102082180B1 (en) * 2019-05-15 2020-05-04 주식회사 힘센기술 Partial repair apparatus using expansion tube of underground pipe and method for repairing pipe using this same
KR20210047217A (en) * 2019-10-21 2021-04-29 산양공영 주식회사 Self-propelled pipeline repairing apparatus
KR102685505B1 (en) * 2023-12-28 2024-07-16 경봉건설(주) Total sewer pipe repair system without digging
KR102685506B1 (en) * 2023-12-28 2024-07-16 삼은이앤씨 주식회사 Sewer pipe non-dig repair device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06341163A (en) * 1993-06-02 1994-12-13 Fumito Hinuma Device for repairing inside of pipe
KR101515163B1 (en) 2014-10-06 2015-04-24 언더테크 주식회사 An apparatus for repairing a drain pipe

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06341163A (en) * 1993-06-02 1994-12-13 Fumito Hinuma Device for repairing inside of pipe
KR101515163B1 (en) 2014-10-06 2015-04-24 언더테크 주식회사 An apparatus for repairing a drain pipe

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102082180B1 (en) * 2019-05-15 2020-05-04 주식회사 힘센기술 Partial repair apparatus using expansion tube of underground pipe and method for repairing pipe using this same
KR102082179B1 (en) * 2019-05-24 2020-02-27 주식회사 힘센기술 Air cooling uv lamp machine and method for repairing underground pipe using this same
KR20210047217A (en) * 2019-10-21 2021-04-29 산양공영 주식회사 Self-propelled pipeline repairing apparatus
KR102250308B1 (en) * 2019-10-21 2021-05-11 산양공영 주식회사 Self-propelled pipeline repairing apparatus
KR102685505B1 (en) * 2023-12-28 2024-07-16 경봉건설(주) Total sewer pipe repair system without digging
KR102685506B1 (en) * 2023-12-28 2024-07-16 삼은이앤씨 주식회사 Sewer pipe non-dig repair device

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