KR101579412B1 - Surface treating apparatus for pipe - Google Patents

Surface treating apparatus for pipe Download PDF

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Publication number
KR101579412B1
KR101579412B1 KR1020150156546A KR20150156546A KR101579412B1 KR 101579412 B1 KR101579412 B1 KR 101579412B1 KR 1020150156546 A KR1020150156546 A KR 1020150156546A KR 20150156546 A KR20150156546 A KR 20150156546A KR 101579412 B1 KR101579412 B1 KR 101579412B1
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KR
South Korea
Prior art keywords
inner diameter
tube
brush
pipe
rotating shaft
Prior art date
Application number
KR1020150156546A
Other languages
Korean (ko)
Inventor
권택중
Original Assignee
영원파이프솔루션 주식회사
주식회사 도화엔지니어링
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Application filed by 영원파이프솔루션 주식회사, 주식회사 도화엔지니어링 filed Critical 영원파이프솔루션 주식회사
Priority to KR1020150156546A priority Critical patent/KR101579412B1/en
Application granted granted Critical
Publication of KR101579412B1 publication Critical patent/KR101579412B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/049—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled
    • B08B1/002—
    • B08B1/04—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04—Cleaning by suction, with or without auxiliary action
    • B08B5/043—Cleaning travelling work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/04—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by a combination of operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/049—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled
    • B08B9/051—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled the cleaning devices having internal motors, e.g. turbines for powering cleaning tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • B24B29/005—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents using brushes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning In General (AREA)

Abstract

The present invention relates to a non-abrasive automated pipe surface treatment apparatus capable of optimally treating an inner diameter surface of an aged pipe through a brush means and a hitting means.
In order to achieve the above object, the present invention provides a method of manufacturing an apparatus, comprising: at least one cylinder connected to each other through first through sixth support shafts and constituting an outer frame of the apparatus; first through sixth fixing plates connected to the first through sixth support shafts, A rotating shaft which is installed at the lower ends of the third to sixth fixing plates and rotates by the power of the motor, is coupled to the outer diameter of the rotating shaft, rotates in contact with the inner diameter of the tube, A brushing means provided at a lower end of the first fixing plate and scraping an inner diameter surface of the tube in accordance with a rotation operation of the rotation shaft in a state of being in contact with an inner diameter of the tube; And a striking means for striking an inner diameter surface of the tube, which is disposed at the lower end of the plate and strikes the inner diameter of the tube, And means comprising the means.

Description

TECHNICAL FIELD [0001] The present invention relates to a surface treating apparatus for pipe,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a surface treatment apparatus for an inner surface of a non-abrasive automation pipe, and more particularly to a surface treatment apparatus for an inner surface of an abrasive automation pipe, And a surface treatment apparatus.

In general, a typical technique for treating the inner diameter surface of a pipe is a shot blast apparatus.

The shot blasting apparatus is widely used and is a device for removing rust, scale, molding sand, etc. on the surface of a workpiece by spraying a plurality of pieces of iron on the surface of a metal workpiece formed by casting, forging and rolling It says.

The shot blasting apparatus includes a transfer line through which a workpiece is transferred and a ferrule projecting device that projects a workpiece to be transferred along the transfer line.

At this time, the transfer line may be variously implemented according to the shape or the use place of the workpiece, and the iron projection device may include a body formed with an inlet port and a jet port, and a rotatably installed inside the body, And a rotating motor connected to the rotating shaft of the impeller and rotating the impeller.

A representative prior art related to the shot blasting device is an example of Korean Patent Application Publication No. 10-2011-0004956 (hereinafter referred to as prior art).

The prior art includes a main body, a short ball supply portion provided inside the main body and supplying a short ball, and an impeller which rotates at high speed by the motor and injects the shot ball supplied from the shock ball supply portion into the inner diameter of the tube A short ball receiving portion for collecting the shot ball injected by the inner diameter of the tube and reintroducing the shot ball into the short ball supply portion; And a roller for rotating the main body by a power of the motor at 360 °, wherein the short ball supply unit has a cylindrical shape, and is rotated by the driving power of the driving source in a state of being connected to the short ball rejection And a pair of upper and lower housings provided in a state of being tilted in one direction in a state of being maintained at a constant interval along the inner peripheral surface of the housing, A drum which is provided at the center of the housing and is supplied with a shot ball guided through the guide plate, and a drum which is installed at the front of the drum and which is provided at the front of the drum, And a discharge block for discharging the shot ball supplied to the shot ball dispensing unit.

However, according to the above prior art, since the method of spraying the shot ball into the inner diameter of the pipe and then processing the inner diameter surface of the pipe by collecting the shot short ball, the shot ball injection means and the shot ball collecting the shot ball The structure of the equipment is complicated due to the necessity of each of the collection means, and furthermore, the working environment is deteriorated due to the dust generated in the short ball spraying process.

Document 1: Korean Patent Application Publication No. 10-2011-0004956

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to overcome the above problems by providing a method of scrubbing an inner diameter of a tube, The present invention provides a non-abrasive automated pipe surface treatment apparatus capable of treating an inner diameter surface of a pipe so as to be optimized for quality.

It is another object of the present invention to provide a non-abrasive automotive pipe surface treatment apparatus which prevents scattering of dust by providing a scattering preventing means on the outer diameter of the hitting means and the brush means.

In order to achieve the above-mentioned objects, an object of the present invention is to provide a non-abrasive automated pipe surface treatment apparatus for entering an inner diameter of a pipe and treating an inner diameter surface of the pipe, At least one cylinder constituting an outer frame, first to sixth fixing plates respectively connected to the first to sixth supporting shafts, and first to sixth fixing plates respectively installed at the lower ends of the third to sixth fixing plates, A drive roller coupled to an outer diameter of the rotary shaft and rotating in a state of being in contact with an inner diameter of the rotary shaft and advancing the device in a state of entering the inner diameter of the tube, A sleeve coupled to an outer diameter of the rotating shaft, a sleeve formed on a circumferential surface of the sleeve, And a unit brush member having a sole portion for scraping an inner diameter surface of the tube in accordance with a rotation operation of the rotary shaft while being in contact with an inner diameter of the tube, A sleeve coupled to an outer diameter of the rotary shaft; a ring band made of a material having elasticity with an end inserted into a groove formed in a circumferential surface of the sleeve and having excellent bending and restoring properties; And a hitting unit installed at a front end of the band, the hitting unit comprising a metal piece that strikes the inner diameter surface of the tube that is scraped by the brush unit according to the rotation of the rotary shaft.

It is preferable that the scattering preventing means for covering the scale not be scattered on the outer diameter of the brush means and the hitting means.

Wherein the scattering prevention means includes a cover member having a receiving space therein so as to cover the brush means or the hitting means, a guide roller provided on both sides of the cover member, and a guide member having one end connected to the cover member, And a suction hose for forcibly discharging the suction hose.

In the present invention, the inner diameter of the tube is scratched by the brush means, and the inner diameter of the scraped tube is struck by the striking means. Thus, the inner diameter of the tube is surface-treated so that the apparatus enters the tube inner diameter without collecting the abrasive such as the shot ball It is possible to perform the surface treatment in a state optimal for lining the inner diameter of the pipe while simplifying the structure of the apparatus.

In addition, it is possible to prevent scattering of dust by providing scattering preventing means for preventing scattering of dust on the outer diameter of the hitting means and the brush means, and thus it is possible to manage the inner diameter of the tube cleanly during the work.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a three-dimensional view showing the entire configuration of a non-abrasive automated pipe surface treatment apparatus according to a preferred embodiment of the present invention. FIG.
Figure 2 is a front view of Figure 1;
Fig. 3 is a drawing showing the structure of the brush means constituting the main constituent of the present invention. Fig.
Fig. 4 is a drawing showing the structure of the hitting means constituting the main structure of the present invention. Fig.
5 is an operational state diagram of Fig.
Fig. 6 is a drawing showing the structure of scattering prevention means of the present invention. Fig.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the following detailed description, exemplary embodiments of the present invention will be described in order to accomplish the above-mentioned technical problems. And other embodiments which may be presented by the present invention are replaced by descriptions in the constitution of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present invention and, together with the description, serve to explain the principles of the invention.

As shown in FIGS. 1 and 2, the non-abrasive product automatic pipe surface treatment apparatus of the present invention includes a plurality of cylinders 10 arranged in a hexagonal shape, 22, 24, 26, 28, 30 so as to form an outer frame of the apparatus.

The end of the other cylinder 10 is coupled to the rod of one cylinder 10 by the first support shaft 20 and a plurality of the cylinders 10 are connected to the rod of the cylinder 10. In this way, Six cylinders 10 are arranged in a hexagonal shape.

As described above, the outer frame structure of the apparatus is composed of the cylinder 10, when the diameter of the pipe 200 or the diameter of the pipe 200 is deformed by external pressure, the outer frame is enlarged or reduced accordingly, 200 to the inside diameter thereof. That is, when the hydraulic pressure is supplied to the six cylinders 10, the rods of the respective cylinders 10 are drawn out. In this process, as the size of the outer frame structure of the apparatus becomes larger by the drawing length of the rod, The size of the device can be adjusted.

The first to sixth fixing plates 40, 42, 44, 46, 48, and 50 are provided on the first to sixth support shafts 20, 22, 24, 26, 28, And one driving roller 60 having the same structure is provided for each of the third to sixth fixing plates 44, 46, 48 and 50. The first fixing plate 40 is provided with an inner diameter of the tube A brush means 70 as a scraping means is installed and a hitting means 90 for hitting an inner diameter of a scraped pipe and dropping a foreign substance is provided on the second fixing plate 42.

The driving roller 60 is a means for advancing the apparatus to the inner diameter of the tube 200 and the inner diameter of the tube 200.

The driving roller 60 has the same structure and four driving rollers 60 are connected to the third to sixth fixing plates 44, 46, 48 and 50.

The driving force of the driving roller 60 and the motor 62 mounted on the third fixing plate 44 is transmitted to the driving roller 60 at a lower end of the third fixing plate 34, And a driven pulley 64 is coupled to the rotary shaft 69. The driven pulley 66 is coupled to a drive pulley 64 coupled to the shaft of the motor 62 and a chain 68 So that the power of the motor 62 is transmitted to the driving roller 60. At this time, the rotating shaft 69 of the driving roller 60 is preferably installed in a state where the driving roller 60 is twisted at a predetermined angle in one direction from the third fixing plate 44, So that the device can be moved forward by advancing by a tilted angle of the rotary shaft (69) in a process of rotating and moving on the inner diameter of the rotary shaft (69).

The brush means 70 is a means for scraping the inner diameter surface of the tube 200 once the apparatus 100 has entered the tube 200.

FIG. 3 is a drawing showing the structure of the brush means. 3, the brush means includes a rotating shaft 79, a sleeve 80, and a unit scraper member 86.

The rotating shaft 69 is fixed to the bracket of the first fixing plate 40 while being positioned on the lower surface of the first fixing plate 40 as a central axis of the brush means 70, As shown in Fig.

The connection structure between the motor 72 and the rotary shaft 79 is such that a driving pulley 74 is coupled to the shaft of the motor 72 and the driving pulley 74 and the chain 78 are connected to the rotary shaft 79 And the driven pulley 76 connected thereto is coupled to rotate the motor 72 to receive the power.

The sleeve 80 is coupled to the outer diameter of the rotary shaft 79. At least one diaphragm 82 is installed at a predetermined distance from the circumference of the rotary shaft 79 and a space 84 formed between the diaphragms 82, The unit brush member 86 is fixedly installed.

The unit brush member 86 is fixed to the space 84 of the sleeve 80 by a fastening means such as a bolt in a state of being fitted to the space 84. The surface of the unit brush member 86 is provided with a sole portion directly contacting the inner surface of the tube 200 88 are installed.

When the rotation shaft 79 rotates by the power of the motor 72 in a state in which the solenoid 88 is in contact with the inner surface of the tube 200, the unit brush member 86, The inner surface of the pipe 200 is scratched and the inner surface of the pipe 200 is scratched so that the inner surface of the pipe is coated with the polyurea as a post-process so that the surface roughness is formed so as to be applied in an optimum condition .

After the brush unit 70 has scratched the inner diameter surface of the tube 200, the impact unit 90 strikes the scratch area on the inner diameter surface of the tube 200 with the unit striking member 94, It is a means of raising.

Fig. 4 is a drawing showing the structure of the hitting means. As shown in Fig. 3, the hitting means includes a rotary shaft 99, a sleeve 100, and a unit striking member 104.

The rotation shaft 99 is fixed to the bracket of the second fixing plate 42 in a state of being positioned on the lower surface of the second fixing plate 42 as the central axis of the hitting means 90, As shown in Fig.

The connection structure between the motor 92 and the rotary shaft 99 is such that a drive pulley 94 is coupled to the shaft of the motor 92 and the drive pulley 94 and chain 98 are connected to the rotary shaft 99 And the driven pulley 96 connected thereto is coupled to rotate the motor 92 by receiving the power of the motor 92.

The sleeve 100 is coupled to the outer diameter of the rotary shaft 99. At least one groove 102 is formed in the circumferential surface of the sleeve 100 and the unit striking member 104 is inserted into the groove 102 And is fixedly installed.

The unit striking member 104 is made of a material having elasticity excellent in bending and restoring properties and has a ring band 106 fixed to the end of the unit striking member 104 by fastening means while being fitted in the groove portion 102 of the sleeve 100, And at least one metal piece 108 provided at the tip of the ring band 106.

The hitting means 90 having the above-described structure is configured such that when the brush means 70 rubs against the inner diameter surface of the tube 200, the hitting means 90 is configured in the process of being rotated by the power of the motor 92, The metal pieces 108 installed on the unit striking member 104 hit the scratched inner surface of the tube 200 to drop various foreign substances generated during the scratching process so that the inner diameter surface of the tube 200 is optimized for lining Thereby forming surface roughness.

The scattering preventing means 110 is covered on the outer surfaces of the brush means 70 and the hitting means 90. The scattering prevention means 110 surrounds the brush means 70 and the hitting means 90 and the process of scratching and passing the inner diameter surface of the tube 200 by the brush means 70, It is possible to prevent scattering of various foreign substances generated in the process of striking the inner diameter of the inner tube 200.

The scattering preventing means 110 provided on the brush means 70 and the hitting means 90 are made of the same structure. As a representative example of the scattering preventing means provided on the brush means 70, The scattering prevention means 110 includes a cover member 112 having a dome shape and accommodating the brush means 70 therein and having an accommodation space 114 for accommodating foreign matter, A guide roller 116 which is provided on the inner surface of the pipe 200 and guides the cover member 112 to move along the pipe 200 while being in contact with the inner surface of the pipe 200, And a suction hose 118 connected to the collecting means for sucking the foreign matter filled in the space 114 in the cover member 112 by the collecting means.

Hereinafter, the operation of the non-abrasive product automatic pipe surface treatment apparatus according to the present invention will be described with reference to FIGS. 1 to 6.

When the power is applied to the motor 62 connected to the rotating shaft 69 of the driving roller 60, the driving roller 60 receives the power of the motor 62 and rotates, So that it is moved forward with the inner diameter entering.

Then, the brush means 70 and the hitting means 90 provided in the apparatus are driven to scrape the inner diameter surface of the tube 200, strike the inner diameter surface of the scraped tube, The surface roughness is formed so as to be in an optimum state for the lining process which is a process.

Specifically, when the apparatus enters the inner diameter of the tube 200, power is applied to the motor 72 that drives the brush means 70 to rotate the rotary shaft 79 to rotate the sleeve (not shown) The unit brush member 86 provided in the space 84 between the diaphragms 82 formed on the outer circumference of the sleeve 80 rotates in a direction perpendicular to the axis of the tube 200, The inner diameter surface of the tube 200 is scratched according to the rotation operation of the sleeve 80 in the state of being in contact with the inner diameter.

Various foreign substances generated in the process of scratching the inner diameter of the tube are contained in the interior accommodation space 114 of the cover member 112 which is the scattering prevention means 110 surrounding the brush means 70, It is automatically discharged by collection equipment.

When the brush means 70 rubs on the inner diameter of the tube 200, the hitting means 90 is driven to strike the scratch on the inner diameter surface of the tube 200 to completely drop the foreign matter. That is, when power is applied to the motor 92 that drives the hitting means 90 to operate the rotary shaft 99, the sleeve 100 coupled to the rotary shaft 99 is rotated, The ring bands 106 as the plurality of unit striking members 104 coupled to the groove 102 formed in the outer diameter of the ring band 106 are rotated and the metal piece 108 coupled to the tip of each ring band 106 And various foreign substances generated in the scratching area on the inner diameter surface of the pipe scraped by the brush means 70 are separated from the inner diameter of the tube 200 due to the impact of the metal piece 108.

The foreign substances separated from the inner diameter of the tube 200 through the hitting means 90 are contained in the containing space 114 of the cover member 112 which is the scattering preventing means 110 and then are introduced into the collecting equipment through the suction hose 116 The foreign matter can be effectively removed without being scattered to the outside.

10: cylinders 20, 22, 24, 26, 28, 30: first to sixth support shafts
40, 42, 44, 46, 48, 50: first to sixth fixing plates
60: driving roller 70: brush means
79: rotating shaft 80: sleeve
86: unit brush member 88:
90: hitting means 99: rotating shaft
100: Sleeve 104: Unit striking member
106: ring band 108: metal piece

Claims (3)

A non-abrasive automated pipe surface treatment apparatus for entering an inner diameter of a pipe (200) and treating an inner diameter surface of the pipe (200)
At least one cylinder (10) connected to each other through first to sixth support shafts (20, 22, 24, 26, 28, 30) and forming an outer frame of the apparatus;
First to sixth fixing plates 40, 42, 44, 46, 48, 50 connected to the first to sixth supporting shafts 20, 22, 24, 26, 28, 30;
A rotating shaft 69 installed at the lower ends of the third to sixth fixing plates 44, 46, 48, 50 and rotated by the power of the motor 62;
A driving roller 60 coupled to an outer diameter of the rotary shaft 69 and rotating in a state of being in contact with an inner diameter of the tube 200 and advancing the device while entering the inner diameter of the tube 200;
A rotating shaft 79 installed at a lower end of the first fixing plate 40 and rotated by the power of the motor 72;
A sleeve 80 coupled to an outer diameter of the rotating shaft 79;
The inner circumferential surface of the tube 200 is connected to the inner circumferential surface of the tube 200 in the circumferential surface of the sleeve 80, A brush unit (70) composed of a unit brush member (86) provided with a sole (88) for scraping the surface;
A rotating shaft 99 installed at the lower end of the second fixing plate 42 and rotated by the power of the motor 92;
A sleeve 100 coupled to an outer diameter of the rotating shaft 99;
A ring band 106 made of an elastic material having an end inserted into the groove 102 formed on the circumferential surface of the sleeve 100 and having excellent bending and restoring properties;
A hitting means provided at the tip of the ring band 106 and composed of a metal piece 108 which hits the inner diameter surface of the tube 200 which is scraped by the brush means 70 in accordance with the rotation of the rotary shaft 99 90). ≪ / RTI >
The method according to claim 1,
Wherein an outer diameter of the brush means (70) and the hitting means (90) is covered with a scattering preventing means (110) for preventing scale from being scattered.
3. The method of claim 2,
The scattering prevention means 110 includes:
A cover member (112) having a receiving space (114) therein so as to cover the brush means (70) or the hitting means (90);
A guide roller 116 installed on both sides of the cover member 112;
And a suction hose (116) connected at one end to the cover member (112) for forcibly discharging the scale filled in the accommodation space (114).
KR1020150156546A 2015-11-09 2015-11-09 Surface treating apparatus for pipe KR101579412B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150156546A KR101579412B1 (en) 2015-11-09 2015-11-09 Surface treating apparatus for pipe

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Application Number Priority Date Filing Date Title
KR1020150156546A KR101579412B1 (en) 2015-11-09 2015-11-09 Surface treating apparatus for pipe

Publications (1)

Publication Number Publication Date
KR101579412B1 true KR101579412B1 (en) 2016-03-25

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KR1020150156546A KR101579412B1 (en) 2015-11-09 2015-11-09 Surface treating apparatus for pipe

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105880223A (en) * 2016-07-14 2016-08-24 昆山东美自动化设备科技有限公司 Flat plate cleaning machine
KR101779724B1 (en) * 2016-11-09 2017-09-18 영원파이프솔루션 주식회사 apparatus for lining of pipe

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008249213A (en) 2007-03-29 2008-10-16 Sinkoh Corp Inner face processing method and device for cylindrical body

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008249213A (en) 2007-03-29 2008-10-16 Sinkoh Corp Inner face processing method and device for cylindrical body

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105880223A (en) * 2016-07-14 2016-08-24 昆山东美自动化设备科技有限公司 Flat plate cleaning machine
KR101779724B1 (en) * 2016-11-09 2017-09-18 영원파이프솔루션 주식회사 apparatus for lining of pipe

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