CN107635686A - Electric power steel and its manufacture device and manufacture method - Google Patents
Electric power steel and its manufacture device and manufacture method Download PDFInfo
- Publication number
- CN107635686A CN107635686A CN201780000417.XA CN201780000417A CN107635686A CN 107635686 A CN107635686 A CN 107635686A CN 201780000417 A CN201780000417 A CN 201780000417A CN 107635686 A CN107635686 A CN 107635686A
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- China
- Prior art keywords
- electric power
- power steel
- mentioned
- disk
- upside
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Punching Or Piercing (AREA)
- Metal Rolling (AREA)
Abstract
The present invention relates to electric power steel and its manufacture device and manufacture method, especially, it is related to following electric power steel and its manufacture device and manufacture method in detail, i.e., in the state of the perforated support bar formed to the insertion of the inside of hollow electrical steels material in a manner of forming hole including connect band insert port, the multiple connect band insert ports that can insert connect band are formed using punching machine and at regular intervals, thus provide electric power steel, therefore electric power steel can be provided in a manner of non-collapsible.
Description
Technical field
The present invention relates to electric power steel (Power steel) and its manufacture device and manufacture method, especially, it is related in detail
Following electric power steel and its manufacture device and manufacture method, i.e. to the inside of hollow electrical steels material insert with including
In the state of the perforated support bar that the mode that connect band insert port forms hole is formed, formed using punching machine and at regular intervals
The multiple connect band insert ports that can insert connect band, electric power steel is thus provided, so as to provide electricity in a manner of non-collapsible
Power steel.
Background technology
Fig. 1 is as showing disclosed in the electric power steel fixing device of Korean granted utility model publication the 20-0354540th
Conventional power steel 18 diagrammatic illustration, enter eleven punch 11 at regular intervals in smooth iron material, so that connect band 30 is inserted, so
After folded to manufacture.
But in the case of the electric power steel formed by above-mentioned manufacture method, the problem of following be present, i.e. fold
The support force at position is decreased obviously, and due to producing error, also reduces durability simultaneously.
On the other hand, in the case of figure 2, in order to form the hole that can insert connect band, the first iron material and second are made
Iron material is combined, and is consequently formed hole.
That is, by making the first iron material and the second iron material be combined to form multiple holes, above-mentioned first iron material and
Two iron materials are the shape for falling in the position in hole to be formed.
In the case of the electric power steel of above-mentioned mode, manufacturing process is complicated, and conduct makes the first iron material and second
The mode that iron material is combined, the problem of adhesion significantly declines is not only existed, also durability is significantly declined.
Accordingly, it is desirable to provide the technology of following electric power steel, i.e. manufacturing process can be made simple, durability can be ensured again,
And recyclable recycling.
Prior art literature
(patent document 1) Korean granted utility model publication the 20-0354540th
The content of the invention
Technical problem
Therefore, the present invention proposes that it is an object of the present invention to provide following in order to solve above-mentioned existing issue
Electric power steel, i.e. what is formed to the insertion of the inside of hollow electrical steels material in a manner of forming hole including connect band insert port
In the state of perforated support bar, the multiple connect bands insertion that can insert connect band is formed using punching machine and at regular intervals
Mouthful, electric power steel is thus provided, so as to provide electric power steel in a manner of non-collapsible.
The means solved the problems, such as
In order to reach problem to be solved, the electric power steel making device of one embodiment of the invention includes the present invention：Support
100；Perforated support bar 200, alongst separate and be fixed on the top of above-mentioned support, when transferring electrical steels material,
The inside of electrical steels material is alongst inserted in, there is at least one connect band insert port to form hole 210；Multiple downsides
Transfer roller 300, it is formed between above-mentioned perforated support bar and support, for punching machine sidesway power transmission power Steel material；It is multiple
Upside transfer roller 400, the upside of above-mentioned perforated support bar is formed at, for punching machine sidesway power transmission power Steel material；And
Punching machine 500, the upside of above-mentioned multiple upside transfer rollers is formed at, if being moved by above-mentioned upside transfer roller and downside transfer roller
Serve and state electrical steels material, then the electrical steels material transferred is worn towards direction perpendicular to the ground and at predetermined intervals
Hole, the electric power steel 1000 for forming multiple connect band insert ports 1100 at predetermined intervals is thus provided, thus solve the present invention's
Problem.
Invention effect
In the electric power steel of the present invention and its manufacture device and manufacture method, in the inside to hollow electrical steels material
Insert in the state of the perforated support bar formed in a manner of forming hole including connect band insert port, using punching machine and by rule
Fixed interval forms the multiple connect band insert ports that can insert connect band, electric power steel is thus provided, so as to non-collapsible
Mode provides electric power steel, and then provides following effect, i.e. and manufacturing process can be made simple, durability can be ensured again, and can
Recycling.
Brief description of the drawings
Fig. 1 to Fig. 2 is existing electric power steel ground diagrammatic illustration.
Fig. 3 to Fig. 4 is to show by the electric power steel making device of one embodiment of the invention the figure of electric power steel that manufactures.
Fig. 5 to Fig. 7 is the figure of the perforated support bar of the electric power steel making device of one embodiment of the invention.
Fig. 8 is the diagrammatic illustration for the electric power steel making device for showing one embodiment of the invention.
Fig. 9 is the control concept figure of the electric power steel making device of one embodiment of the invention.
Figure 10 is the side for showing to be formed at the supply guide rod of the supply side of the electric power steel making device of one embodiment of the invention
Face sketch, Figure 11 are practical photograph.
Figure 12 is to show that the electric power steel detection for being formed at the discharge side of the electric power steel making device of one embodiment of the invention passes
The simplified side view in sense portion, Figure 13 are practical photograph.
Figure 14 is between the upside transfer roller and downside transfer roller of the electric power steel making device for showing one embodiment of the invention
Electrical steels material insertion space front view, Figure 15 is practical photograph.
Figure 16 is the process chart for the electric power steel making method for showing one embodiment of the invention.
Description of reference numerals
100：Support
200：Perforated support bar
300：Downside transfer roller
400：Upside transfer roller
500：Punching machine
1000：Electric power steel
Embodiment
Hereinafter, carried out specifically by the electric power steel and the embodiment of its manufacture device and manufacture method of the present invention
It is bright.
Fig. 3 to Fig. 4 is the figure for the electric power steel for showing the electric power steel making device manufacture by one embodiment of the invention.
That is, at regular intervals formed with connection can be made in the electric power steel prepared by the electric power steel making device of the present invention
Multiple connect band insert ports 1100 with insertion.
Fig. 8 is the diagrammatic illustration for the electric power steel making device for showing one embodiment of the invention.
In fig. 8, the electric power steel making device of one embodiment of the invention generally comprise support 100, perforated support bar 200,
Multiple downside transfer rollers 300, multiple upside transfer rollers 400 and punching machine 500.
As shown in drawings, above-mentioned support 100 is used to support perforated support bar 200, multiple downside transfer rollers 300, Duo Geshang
Side transfer roller 400, punching machine 500 etc..
Above-mentioned perforated support bar 200 alongst separates and is fixed on the top of above-mentioned support.
Fig. 5 to Fig. 7 is the figure of perforated support bar.
Now, above-mentioned perforated support bar is characterised by, when transferring electrical steels material, above-mentioned perforated support bar is along length
The inside of direction insertion electrical steels material is spent, and hole 210 is formed including at least one connect band insert port.
Therefore, the diameter of perforated support bar needs the diameter less than electrical steels material, to be alongst inserted in electricity
The inside of power Steel material.
The electrical steels material illustrated in the present invention refers to the state to be formed before connect band insert port.
Also, electrical steels material is as the material manufactured by casting, in the rectangle of inner hollow, and using not carrying out
The material of folding operation, therefore there is high intensity, due to reusing electric power steel at present, therefore produce asking for robustness decline
Topic.
But in the present case, the quadrangle electrical steels material manufactured by casting is directly perforated, because
This will not produce error when reusing, and also provide the advantages of robustness is outstanding.
As shown in drawings, for above-mentioned downside transfer roller 300 formed with multiple, above-mentioned downside transfer roller 300 is formed at perforation branch
Between strut and support, the function to punching machine sidesway power transmission power Steel material is played.
Now, as shown in drawings, upside transfer roller 400 is also identically formed multiple, and above-mentioned upside transfer roller 400 is formed at
The upside of perforated support bar, play the function to punching machine sidesway power transmission power Steel material.
That is, electrical steels material position between upside transfer roller and downside transfer roller, so as to by the action of transfer roller to wearing
Aperture apparatus sidesway power transmission power Steel material.
On the other hand, above-mentioned punching machine 500 is formed at the upside of above-mentioned multiple upside transfer rollers, if excessively above-mentioned upper sidesway
Roller and downside transfer roller is sent to transfer above-mentioned electrical steels material, then to the electrical steels material transferred towards direction perpendicular to the ground
And enter eleven punch 11 at predetermined intervals.
Also, the position support electrical steels material in addition to by forming hole except connect band insert port, therefore enter team positioned at company
Eleven punch 11 is entered at the position that tape splicing insert port forms the electrical steels material in hole, so as to make electrical steels material power when perforation
Deformation, and then can perfectly finish up.
For example, can solve the problems, such as to be unable to maintain that smooth state because electric power steel face is flattened or bent.
Fig. 9 is the control concept figure of the electric power steel making device of one embodiment of the invention.
As shown in figure 9, the electric power steel making device of one embodiment of the invention is characterised by, in addition to：Punch acts
Portion 550, for providing action signal to punching machine；Roller drive motor portion 350, for above-mentioned multiple downside transfer rollers 300
Action signal is provided with multiple upside transfer rollers 400.
That is, operation device is set in the arbitrary portion of support, in aforesaid operations device formed with for transfer roller and wearing
The guidance panel that aperture apparatus is operated, if being operated to guidance panel, operate transfer roller, and to punching machine sidesway
Power transmission power Steel material, if being operated again to punching machine, operates punching machine, and enter eleven punch 11 at predetermined intervals.
Figure 10 is the side for showing to be formed at the supply guide rod of the supply side of the electric power steel making device of one embodiment of the invention
Face sketch, Figure 11 are practical photograph.
As shown in Figure 10 to Figure 11, it is a feature of the present invention that above-mentioned electric power steel making also includes supply guide rod 600, on
The side that supply guide rod 600 is formed at the support of electric power steel making device is stated, for guiding supplied electrical steels material.
That is, in the supply side formation supply guide rod of electrical steels material, above-mentioned supply guide rod 600, which is used to support, to be had quite
The electrical steels material of length, when being transferred by transfer roller, above-mentioned supply guide rod 600 plays a part of guiding.
Figure 12 is to show that the electric power steel detection for being formed at the discharge side of the electric power steel making device of one embodiment of the invention passes
The simplified side view in sense portion, Figure 13 are practical photograph.
As shown in Figure 12 to Figure 13, electric power steel making device of the invention is characterised by, in addition to：The detection of electric power steel passes
Sense portion 700, the side of perforated support bar 200 is formed at, multiple connect band insert ports 1100 are formed at predetermined intervals for detecting
Electric power steel 1000；And perforation process end portion 450, when detecting detecting means acquisition detection signal by above-mentioned electric power steel,
To above-mentioned punch operating member and roller drive motor portion transmission stop signal.
I.e., as shown in drawings, electric power steel detection detecting means 700 are formed to the side of perforated support bar 200, i.e. formed
In from the upper sidesway positioned at multiple upside transfer roller 400a of discharge side and the least significant end in multiple downside transfer roller 300a
Send roller to separate the position of predetermined distance, thus detect the electric power steel for forming multiple connect band insert ports 1100 at predetermined intervals
1000。
Now, if detecting means are detected in above-mentioned perforation process end portion 450 by above-mentioned electric power steel obtains detection signal, to
Above-mentioned punch operating member and roller drive motor portion transmission stop signal, and the action of punching machine is terminated, and terminate multiple
The action of transfer roller.
Figure 14 is between the upside transfer roller and downside transfer roller of the electric power steel making device for showing one embodiment of the invention
Electrical steels material insertion space front view, Figure 15 is practical photograph.
As shown in Figure 14 and Figure 15, it is a feature of the present invention that upside transfer roller 400 and downside transfer roller 300 include：The
One disk 310,410 and the second disk 320,420；And electric power steel contact disk 330,430, it is formed at above-mentioned first disk
310th, 410 and second between disk 320,420, and is in contact with electrical steels material, for transferring electrical steels material, above-mentioned electric power
The diameter of steel contact disk 330,430 is less than the diameter of the first disk 310,410 and the second disk 320,420, thus positioned at
The electric power steel contact disk 430 of upside inserts electrical steels material with being formed between contacting disk 330 positioned at the electric power steel of downside
Insertion space 1200.
That is, the diameter of electric power steel contact disk 330,430 is made to be less than the first disk 310,410 and the second disk 320,420
Diameter, with can be formed between upside transfer roller and downside transfer roller electrical steels material is swimmingly inserted and is transferred insert
Enter space.
Figure 16 is the process chart for the electric power steel making method for showing one embodiment of the invention.
As shown in figure 16, electric power steel making method of the invention is characterised by, including：Electrical steels material supplying step
S100, to the multiple downside transfer rollers 300 and the supply electric power Steel material of multiple upside transfer rollers 400 for being formed at support 100；Make electricity
Power Steel material is located at the step S200 that connect band insert port forms hole, runs multiple downside transfer rollers 300 and the transfer of multiple upsides
Roller 400, perforated support bar 200 is alongst inserted to the inside of electrical steels material, above-mentioned perforated support bar 200 is along length
Degree direction separates and is fixed on the top of above-mentioned support, and inserts the degree of lip-rounding at least one connect band for being formed at perforated support bar
Pore-forming prepares electrical steels material；And electrical steels material perforation step S300, operation are formed at above-mentioned multiple upside transfer rollers
The punching machine 500 of upside, and the electrical steels material positioned at downside to being transferred is towards direction perpendicular to the ground and with rule
It is spaced the electric power steel 1000 for into eleven punch 11, thus providing and forming multiple connect band insert ports 1100 at predetermined intervals calmly.
Specifically, to the multiple downside transfer rollers 300 and multiple supply electric powers of upside transfer roller 400 for being formed at support 100
Steel material (step S100).
Then, multiple downside transfer rollers 300 and multiple upside transfer rollers 400 are run, to the inside of electrical steels material along
Length direction insertion perforated support bar 200, above-mentioned perforated support bar 200 alongst separates and is fixed on the upper of support
Portion, and electrical steels material position is formed hole (step S200) at least one connect band insert port of perforated support bar in formation.
Then, operation is formed at the punching machine 500 of the upside of multiple upside transfer rollers, and to being transferred to punching machine side
And the electrical steels material positioned at the downside of punching machine enters towards direction perpendicular to the ground and at predetermined intervals eleven punch 11, thus
The electric power steel 1000 (step S300) for forming multiple connect band insert ports 1100 at predetermined intervals is provided.
Then, produced electric power steel is cut with appropriate size, and is used in building site.
As described above, manufactured electric power steel may also provide following advantage, i.e. be formed in the state of unfolded more
Individual perforation, therefore durability is strong, after having been used in building site, can reuse.
It is to be appreciated that in the case where not changing the technological thought of the present invention or essential characteristic, can be by as described above
Content general technical staff of the technical field of the invention by it is other it is specific in the form of implement the present invention.Therefore, the above
The embodiment of explanation is only used for illustrating, rather than for limiting the present invention.
Industrial applicability
The present invention relates to electric power steel and its manufacture device and manufacture method, especially, in more detail, to hollow electric power
The inside insertion of Steel material including connect band insert port in a manner of forming hole in the state of the perforated support bar that is formed, using wearing
Aperture apparatus simultaneously forms the multiple connect band insert ports that can insert connect band at regular intervals, thus provides electric power steel, so as to
It is enough that electric power steel is provided in a manner of non-collapsible, and then can usefully be used in electric power steel making field.
Claims (1)
- A kind of 1. electric power steel making device, it is characterised in thatIncluding：Support (100)；Perforated support bar (200), alongst separate and be fixed on the top of above-mentioned support, when transfer electrical steels material When, the inside of electrical steels material is alongst inserted in, there is at least one connect band insert port to form hole (210)；Multiple downside transfer rollers (300), it is formed between above-mentioned perforated support bar and support, for punching machine sidesway power transmission Power Steel material；Multiple upside transfer rollers (400), the upside of above-mentioned perforated support bar is formed at, for punching machine sidesway power transmission power steel Material；Punching machine (500), is formed at the upside of above-mentioned multiple upside transfer rollers, if passing through above-mentioned upside transfer roller and lower sidesway Send roller to transfer above-mentioned electrical steels material, then to direction perpendicular to the ground and the electrical steels material transferred is entered at predetermined intervals Eleven punch 11, thus provide the electric power steel (1000) for forming multiple connect band insert ports (1100) at predetermined intervals；Guide rod (600) is supplied, is formed at the side of above-mentioned support, for guiding supplied electrical steels material；Punch operating member (550), for providing action signal to punching machine；Roller drive motor portion (350), for being provided to above-mentioned multiple downside transfer rollers (300) and multiple upside transfer rollers (400) Action signal；Electric power steel detection detecting means (700), the side of perforated support bar (200) is formed at, is formed at predetermined intervals for detecting The electric power steel (1000) of multiple connect band insert ports (1100)；AndPerforation process end portion (450), in the case where detecting detecting means by above-mentioned electric power steel and obtaining detection signal, to above-mentioned Punch operating member and roller drive motor portion transmission stop signal,Above-mentioned upside transfer roller (400) and downside transfer roller (300) include：First disk (310,410) and the second disk (320,420)；AndElectric power steel contact disk (330,430), is formed between the first disk (310,410) and the second disk (320,420), with Electrical steels material is in contact, for transferring electrical steels material,The diameter of above-mentioned electric power steel contact disk (330,430) is less than the first disk (310,410) and the second disk (320,420) Diameter, thus contacted positioned at the electric power steel of upside contact disk (430) with being located at the electric power steel of downside between disk (330) Form the insertion space (1200) for inserting electrical steels material.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2016-0060772 | 2016-05-18 | ||
| KR1020160060772A KR101724520B1 (en) | 2016-05-18 | 2016-05-18 | power steel and its manufacture device and manufacturing method |
| PCT/KR2017/005131 WO2017200301A1 (en) | 2016-05-18 | 2017-05-17 | Power steel, and apparatus and method for manufacturing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107635686A true CN107635686A (en) | 2018-01-26 |
Family
ID=58583393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780000417.XA Pending CN107635686A (en) | 2016-05-18 | 2017-05-17 | Electric power steel and its manufacture device and manufacture method |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101724520B1 (en) |
| CN (1) | CN107635686A (en) |
| WO (1) | WO2017200301A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275445A (en) * | 2021-04-29 | 2021-08-20 | 安徽汉唐休闲用品有限公司 | Porous folding chair punching machine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1162355A (en) * | 1966-12-08 | 1969-08-27 | Leopold Osthoff | Punching Holes in Elongated Bodies |
| JPS6072620A (en) * | 1983-09-30 | 1985-04-24 | Miyagi Seiki Kk | Method and device for punching pipe |
| KR20050010079A (en) * | 2005-01-07 | 2005-01-26 | 두원동파이프공업 주식회사 | A punching machinery for pipe's branch hole |
| KR200402481Y1 (en) * | 2005-09-20 | 2005-11-30 | 김종복 | Processing device of hole for pipe |
| KR20080089798A (en) * | 2007-04-02 | 2008-10-08 | 남중환 | Pipe piercing mold |
| CN201997600U (en) * | 2010-12-29 | 2011-10-05 | 马志强 | Hollow aluminum spacing strip perforating machine |
| CN204396615U (en) * | 2015-01-07 | 2015-06-17 | 江苏亚峰机械集团有限公司 | Tubing is to hole punching machine |
| CN204429960U (en) * | 2014-12-15 | 2015-07-01 | 河南北方星光机电有限责任公司 | A kind of hole punched device |
| KR101565144B1 (en) * | 2014-07-11 | 2015-11-02 | (유)성문 | a hole punching apparatus for metal pipe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200354540Y1 (en) | 2004-04-13 | 2004-06-30 | 노봉석 | A fixing equipment for power-steel |
-
2016
- 2016-05-18 KR KR1020160060772A patent/KR101724520B1/en active IP Right Grant
-
2017
- 2017-05-17 WO PCT/KR2017/005131 patent/WO2017200301A1/en active Application Filing
- 2017-05-17 CN CN201780000417.XA patent/CN107635686A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1162355A (en) * | 1966-12-08 | 1969-08-27 | Leopold Osthoff | Punching Holes in Elongated Bodies |
| JPS6072620A (en) * | 1983-09-30 | 1985-04-24 | Miyagi Seiki Kk | Method and device for punching pipe |
| KR20050010079A (en) * | 2005-01-07 | 2005-01-26 | 두원동파이프공업 주식회사 | A punching machinery for pipe's branch hole |
| KR200402481Y1 (en) * | 2005-09-20 | 2005-11-30 | 김종복 | Processing device of hole for pipe |
| KR20080089798A (en) * | 2007-04-02 | 2008-10-08 | 남중환 | Pipe piercing mold |
| CN201997600U (en) * | 2010-12-29 | 2011-10-05 | 马志强 | Hollow aluminum spacing strip perforating machine |
| KR101565144B1 (en) * | 2014-07-11 | 2015-11-02 | (유)성문 | a hole punching apparatus for metal pipe |
| CN204429960U (en) * | 2014-12-15 | 2015-07-01 | 河南北方星光机电有限责任公司 | A kind of hole punched device |
| CN204396615U (en) * | 2015-01-07 | 2015-06-17 | 江苏亚峰机械集团有限公司 | Tubing is to hole punching machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017200301A1 (en) | 2017-11-23 |
| KR101724520B1 (en) | 2017-04-07 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20180126 |