CN109483477A - A kind of interior withdrawing device for being broken remaining pipe of pipeline - Google Patents
A kind of interior withdrawing device for being broken remaining pipe of pipeline Download PDFInfo
- Publication number
- CN109483477A CN109483477A CN201910017150.6A CN201910017150A CN109483477A CN 109483477 A CN109483477 A CN 109483477A CN 201910017150 A CN201910017150 A CN 201910017150A CN 109483477 A CN109483477 A CN 109483477A
- Authority
- CN
- China
- Prior art keywords
- pipe
- broken
- withdrawing device
- exterior tube
- remaining
- 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.)
- Granted
Links
- 238000003825 pressing Methods 0.000 claims abstract description 24
- 239000000956 alloy Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/18—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same withdrawing broken threaded parts or twist drills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports For Pipes And Cables (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
A kind of interior withdrawing device for being broken remaining pipe of pipeline, it is related to a kind of withdrawing device of remaining pipe, pressing plate (9) is fixedly connected with one end of exterior tube (10), tip (11) are equipped in the other end face of exterior tube, internal screw thread (24) in the middle part of male-pipe (8) in connection exterior tube, the two sides of male-pipe one end end face are hingedly connected one end of two snap-gauges (16), and raised (15) are respectively equipped on the outside of the other end of two snap-gauges；The male-pipe the other end face in pressing plate (9) side is equipped with gap (22), and the inserted sheet (7) for screwing plate (6) bottom surfaces is inserted in the gap of screwed pipe, and strut (5) one end is across screw thread pipe orifice (21) afterwards in two snap-gauges；The present invention blocks the inner and outer ends for being broken remaining pipe by the protrusion of snap-gauge and the tip of exterior tube respectively, and the remaining pipe of fracture can easily be taken out by screwing pressing plate.
Description
[technical field]
The present invention relates to a kind of withdrawing devices of remaining pipe, and specifically the present invention relates to taking for remaining pipe is broken in a kind of pipeline
Device out.
[background technique]
Pipeline is the main delivery vehicles of various liquid, and in chemical company, domestic water supply gas supply heating etc. is all using steel pipe, even
Socket part point mostly accepts connection using screw thread, since there is category of piping materials to mix for pipe network, and the long-term excess load of many tubing
Operation, the problems such as aging is serious, second-rate, construction technology is backward or long neglected and in disrepair, so that the leakage of some positions is serious；In conjunction with
Attached drawing 1 is easy to appear the screwed pipe of the connecting portion of pipeline (1) in the replacement such as tap (3), short circuit used on pipeline
Part is broken, and is broken in the connection of hiding pipeline (1) deeply of remaining pipe, take out the remaining pipe (2) of fracture be it is extremely difficult, if whole
Root replaces pipeline (1), and cost and working hour can increase considerably.
[summary of the invention]
In order to overcome the shortcomings in the background art, the invention discloses the withdrawing device for being broken remaining pipe in a kind of pipeline, pass through
The protrusion of snap-gauge and the tip of exterior tube block the inner and outer ends for being broken remaining pipe respectively, and fracture can easily be taken out by screwing pressing plate
Remnants pipe.
Realize that technical scheme is as follows:
It is broken the withdrawing device of remaining pipe in a kind of pipeline, including pressing plate, exterior tube, male-pipe, snap-gauge, screws plate and support
Bar, pressing plate are fixedly connected with one end of exterior tube, and tip, connection in the middle part of male-pipe are equipped in the other end face of exterior tube
The two sides of internal screw thread in exterior tube, male-pipe one end end face are hingedly connected one end of two snap-gauges, in the another of two snap-gauges
Protrusion is respectively equipped on the outside of one end；The male-pipe the other end face in pressing plate side is equipped with gap, screws under plate
The inserted sheet in portion face is inserted in the gap of screwed pipe, and strut one end is after screw thread pipe orifice in two snap-gauges.
The withdrawing device of remaining pipe is broken in the pipeline, the middle part of pressing plate is fixedly connected with one end of exterior tube,
Inner tube is equipped in exterior tube, there are spacing, the tips of exterior tube between the other end of the exterior tube and the pipe end of inner tube
It is equal with the pipe end of inner tube or the pipe end of slightly shorter than inner tube, the inner face of inner tube is equipped with internal screw thread.
The withdrawing device of remaining pipe is broken in the pipeline, the pressing plate, exterior tube and inner tube are structure as a whole.
The withdrawing device of remaining pipe is broken in the pipeline, the tip of the exterior tube is hard alloy.
It is broken the withdrawing device of remaining pipe in the pipeline, is equipped with light pipe, the light pipe ends in male-pipe one end
Two groups of four bars equipped with extension, four bars are two one group, and two snap-gauges are respectively at the item two-by-two of two groups of bars
Between bar, the axis hole B of two bar one end is serially connected in be formed on the axis hole of bar two-by-two and be articulated and connected by You Lianggen axis respectively.
The withdrawing device of remaining pipe is broken in the pipeline, the diameter of the light pipe is slightly less than male-pipe.
It is broken the withdrawing device of remaining pipe in the pipeline, is equipped with push jack in the other end of strut.
The withdrawing device of remaining pipe is broken in the pipeline, strut one end is equipped with end tapered head.
The withdrawing device of remaining pipe is broken in the pipeline, the middle part for screwing plate is equipped with unthreaded hole, and inserted sheet is in and screws plate
Bottom surfaces unthreaded hole side.
It is broken the withdrawing device of remaining pipe in the pipeline, is equipped with another insert in the bottom surfaces unthreaded hole other side for screwing plate
Piece.
By above disclosure, the beneficial effects of the present invention are:
It is broken the withdrawing device of remaining pipe in pipeline of the present invention, fracture is obtained by tip and the snap-gauge cooperation of exterior tube
The locking of remaining pipe is obtained by the rotation of pressing plate and is broken quickly removing for remaining pipe；The present invention realize quickly remove fracture it is residual
Yu Guan effectively overcomes the drawbacks of prior art can not be taken out, and is conducive to save working hour and mitigates difficulty of construction.
[Detailed description of the invention]
Fig. 1 is a kind of pipeline break schematic diagram that the present invention provides；
Fig. 2 is structural schematic diagram of the invention；
Fig. 3 is assembling structure schematic diagram of the invention；
Fig. 4 is the bar schematic perspective view on light pipe of the present invention；
Fig. 5 is the gap position view of male-pipe of the present invention；
Fig. 6 is of the invention to screw plate schematic perspective view；
Fig. 7 is pressing plate schematic perspective view of the invention；
Fig. 8 is snap-gauge schematic perspective view of the invention；
Fig. 9 is strut schematic perspective view of the invention；
Figure 10 is using state structure diagram of the invention；
In figure: 1, pipeline；2, the remaining pipe of fracture；3, tap；4, push jack；5, strut；6, plate is screwed；7, inserted sheet；8, outer spiral shell
Line pipe；9, pressing plate；10, exterior tube；11, tip；12, inner tube；13, end tapered head；14, bar；15, raised；16, block
Plate；17, light pipe；18, axis hole A；19, axis；20, axis hole B；21, inner hole；22, gap；23, unthreaded hole；24, internal screw thread.
[specific embodiment]
The present invention is further detailed below with reference to embodiment；The following examples are not for limit of the invention
Fixed, only as the mode for supporting realization of the invention, any equivalent structure in technological frame disclosed in this invention is replaced,
For protection scope of the present invention；
The withdrawing device of remaining pipe, including pressing plate 9, exterior tube 10, male-pipe are broken in the pipeline in conjunction with described in attached drawing 2 to 9
8, snap-gauge 16, screw plate 6 and strut 5, pressing plate 9 is fixedly connected with one end of exterior tube 10, in the other end face of exterior tube 10
It is equipped with tip 11, the tip 11 of the exterior tube 10 is hard alloy, that is, passes through alloy electrode in the other end of exterior tube 10
Spot welding goes out tip 11 on end face, and the internal screw thread 24 in exterior tube 10 is connected in the middle part of male-pipe 8,8 one end end face of male-pipe
Two sides are hingedly connected one end of two snap-gauges 16, and protrusion 15 is respectively equipped on the outside of the other end of two snap-gauges 16；In pressing plate 9
8 the other end face of the male-pipe of side is equipped with gap 22, and the middle part for screwing plate 6 is equipped with unthreaded hole 23, and inserted sheet 7 is in rotation
23 side of bottom surfaces unthreaded hole of screw plate 6；It is equipped with another inserted sheet 7 in 23 other side of bottom surfaces unthreaded hole for screwing plate 6, screws plate 6
Two inserted sheets 7 are respectively inserted in two gap 22 of screwed pipe 8, and 5 one end of strut, which is equipped with, to be facilitated into the end of 8 inner hole 21 of screwed pipe cone
Forming head 13, the other end of the strut 5 are equipped with push jack 4, and 5 one end of strut is in after passing through 8 inner hole 21 of screwed pipe in two snap-gauges 16
Between.
In conjunction with attached drawing 2,3 or 7, the middle part of pressing plate 9 is fixedly connected with one end of exterior tube 10, is equipped in exterior tube 10 interior
Portion's pipe 12, the pressing plate 9, exterior tube 10 and inner tube 12 are structure as a whole, the other end and inner tube 12 of the exterior tube 10
Pipe end between there are spacing, the tip 11 of exterior tube 10 is equal with the pipe end of inner tube 12 or the pipe of slightly shorter than inner tube 12
The inner face at end, inner tube 12 is equipped with internal screw thread 24.
In conjunction with attached drawing 2,3 or 4, it is equipped with light pipe 17 in 8 one end of male-pipe, 17 end of light pipe is equipped with four extended
14 two groups of bar, four bars 14 be two one group, two snap-gauges 16 be respectively at two groups of bars 14 bar two-by-two 14 it
Between, the axis hole B20 of two bars, 14 one end is serially connected in be formed on the axis hole 18 of bar 14 two-by-two by You Lianggen axis 19 respectively hingedly to be connected
It connects；The diameter of the light pipe 17 is slightly less than male-pipe 8.
Implement the withdrawing device that remaining pipe is broken in pipeline of the present invention, in conjunction with attached drawing 1 to 10；
Production method:
According to common caliber chosen material in actual use, the inner tube 12 uses the interior spiral shell for penetrating through 12 inside pipe wall of inner tube
Then line 24 is cut by beveling using an inner wall and close 10 one end of exterior tube of 12 outer rim of inner tube and obtains tip 11, so
Afterwards by 10 sets of exterior tube in inner tube 12 using welding manner make inner tube 12 connect with exterior tube 10 " can also be used 502 into
Then the pipe end that inner tube 12 is reserved is inserted into the mouth reserved on pressing plate 9 and welds, in order to make 11, tip by row gluing connection "
Divide intensity to increase, the enhancing of intensity can be obtained using alloy spot welding in 11 part of tip of exterior tube 10；
6 drilled in middle light hole 23 of plate is being screwed, the aperture of unthreaded hole 23 is advisable can penetrate strut 5, in the bottom surfaces for screwing plate 6
Inserted sheet 7 is respectively welded close to the two sides of unthreaded hole 23；
Male-pipe 8 select compared with thick wall pipe, by middle part to one end by roll or turning obtain light pipe 17, then will in
Portion to the other end extrudes screw thread, is cut out four bars 14 in attached drawing 4 using cutting machine and is got axis hole 18 using electric drill and installed
Two snap-gauges 16 " the higher carburizing steel of two snap-gauges, 16 use intensity ", reuse cutting machine in male-pipe 8 and cut out external screw thread one
End cuts out gap 22；
In use, 17 one end of light pipe first to be penetrated to the internal screw thread 24 of inner tube 12, then inner tube 12 is sent into and is broken remaining pipe 2
In inner wall, is adjusted using pressing plate 9 in the recess for keeping the corresponding outer end for being broken remaining pipe 2 of tip 11 deeper, then put on and screw plate 6
With insertion strut 5, strut 5, which extends out two snap-gauges 16, makes protrusion 15 be stuck in the remaining 2 inner end end face of pipe of fracture, screws and described screws plate
6 lockings of protrusion 15 for making two inserted sheets 7 for screwing plate 6 that 8 rotation synchronization belt of male-pipe be driven to move two snap-gauges 16 are broken in remaining pipe 2
End face is held, at this moment the remaining pipe 2 of fracture can be driven outgoing by rotary pressure plate 9.
Part not in the detailed description of the invention is the prior art.
Claims (10)
1. being broken the withdrawing device of remaining pipe, including pressing plate (9), exterior tube (10), male-pipe (8), snap-gauge in a kind of pipeline
(16), plate (6) and strut (5) are screwed, it is characterized in that: pressing plate (9) is fixedly connected with one end of exterior tube (10), in exterior tube
(10) the other end face is equipped with tip (11), the internal screw thread (24) in the middle part of male-pipe (8) in connection exterior tube (10), outside
The two sides of screwed pipe (8) one end end face are hingedly connected one end of two snap-gauges (16), on the outside of the other end of two snap-gauges (16)
It is respectively equipped with raised (15)；The male-pipe (8) the other end face in pressing plate (9) side is equipped with gap (22), rotation
The inserted sheet (7) of screw plate (6) bottom surfaces is inserted in the gap (22) of screwed pipe (8), and strut (5) one end passes through screwed pipe (8) inner hole
(21) afterwards between two snap-gauges (16).
2. be broken the withdrawing device of remaining pipe in pipeline according to claim 1, it is characterized in that: the middle part of pressing plate (9) with
One end of exterior tube (10) is fixedly connected, and is equipped with inner tube (12) in exterior tube (10), the other end of the exterior tube (10)
There are spacing between the pipe end of inner tube (12), the tip (11) of exterior tube (10) is equal or omits with the pipe end of inner tube (12)
The inner face of the shorter than pipe end of inner tube (12), inner tube (12) is equipped with internal screw thread (24).
3. the withdrawing device of remaining pipe is broken in pipeline according to claim 2, it is characterized in that: the pressing plate (9), outside
Pipe (10) and inner tube (12) are structure as a whole.
4. the withdrawing device of remaining pipe is broken in pipeline according to claim 1 or 2, it is characterized in that: the exterior tube
(10) tip (11) is hard alloy.
5. the withdrawing device of remaining pipe is broken in pipeline according to claim 1, it is characterized in that: in male-pipe (8) one
End is equipped with light pipe (17), and light pipe (17) end is equipped with (14) two groups of four bars extended, and four bars (14) are
Two one group, two snap-gauges (16) are respectively between the bar two-by-two (14) of two groups of bars (14), and You Lianggen axis (19) respectively will
The axis hole B(20 of two bars (14) one end) it is serially connected in formation articulated connection on the axis hole (18) of bar (14) two-by-two.
6. the withdrawing device of remaining pipe is broken in pipeline according to claim 5, it is characterized in that: the light pipe (17) is straight
Diameter is slightly less than male-pipe (8).
7. the withdrawing device of remaining pipe is broken in pipeline according to claim 1, it is characterized in that: in the another of strut (5)
End is equipped with push jack (4).
8. the withdrawing device of remaining pipe is broken in pipeline according to claim 1, it is characterized in that: strut (5) one end is equipped with
End tapered head (13).
9. the withdrawing device of remaining pipe is broken in pipeline according to claim 1, it is characterized in that: screwing the middle part of plate (6)
Equipped with unthreaded hole (23), inserted sheet (7) is in bottom surfaces unthreaded hole (23) side for screwing plate (6).
10. the withdrawing device of remaining pipe is broken in pipeline according to claim 9, it is characterized in that: in the case where screwing plate (6)
Portion, unthreaded hole (23) other side, face is equipped with another inserted sheet (7).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910017150.6A CN109483477B (en) | 2019-01-08 | 2019-01-08 | Device for taking out broken residual pipe in pipeline |
| CN202010941483.0A CN112025624B (en) | 2019-01-08 | 2019-01-08 | Device for taking out broken residual pipe in pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910017150.6A CN109483477B (en) | 2019-01-08 | 2019-01-08 | Device for taking out broken residual pipe in pipeline |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010941483.0A Division CN112025624B (en) | 2019-01-08 | 2019-01-08 | Device for taking out broken residual pipe in pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109483477A true CN109483477A (en) | 2019-03-19 |
| CN109483477B CN109483477B (en) | 2020-10-27 |
Family
ID=65714325
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010941483.0A Active CN112025624B (en) | 2019-01-08 | 2019-01-08 | Device for taking out broken residual pipe in pipeline |
| CN201910017150.6A Active CN109483477B (en) | 2019-01-08 | 2019-01-08 | Device for taking out broken residual pipe in pipeline |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010941483.0A Active CN112025624B (en) | 2019-01-08 | 2019-01-08 | Device for taking out broken residual pipe in pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN112025624B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112388569A (en) * | 2020-11-04 | 2021-02-23 | 程昌锋 | PVC screwed pipe fracture instrument of taking out |
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| US3731364A (en) * | 1970-10-05 | 1973-05-08 | Boston E Witt | Broken sprinkler standpipe removing tool |
| US4377956A (en) * | 1980-07-22 | 1983-03-29 | Dennis Cooper | Pipe extractor tool |
| US4724608A (en) * | 1986-11-20 | 1988-02-16 | Parrott Ronald J W | Extractor tool for bearings, bushings and the like |
| CN2259309Y (en) * | 1996-04-18 | 1997-08-13 | 马思华 | Apparatus for dismounting axle sleeve for wheel of vehicle |
| CN202241088U (en) * | 2011-09-28 | 2012-05-30 | 北京燕华工程建设有限公司 | Process equipment for pipe penetration |
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| CN108608372A (en) * | 2018-04-11 | 2018-10-02 | 杨阿林 | A kind of broken end water pipe rotation extractor |
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| FR2485425A1 (en) * | 1980-06-24 | 1981-12-31 | Caillau Ets | FIXING TOOL FOR CLAMP COLLARS |
| CN1644324A (en) * | 2005-01-12 | 2005-07-27 | 胡军辉 | Tool for disassembling joint of broken pipe |
| CN102107417A (en) * | 2010-11-05 | 2011-06-29 | 梁开华 | Fracture extractor for internal thread |
| CN103240711B (en) * | 2013-04-25 | 2015-09-30 | 江汉大学 | Draw and swollenly move back a device |
| CN104976203A (en) * | 2015-07-30 | 2015-10-14 | 安庆市江城冶金机械有限公司 | Tool for quickly disassembling broken pipe |
| CN105619337A (en) * | 2016-04-06 | 2016-06-01 | 兖州煤业股份有限公司 | Broken pipe connector taking-out device |
| CN206948884U (en) * | 2017-04-21 | 2018-02-02 | 云南省烟草公司红河州公司 | Seedling takes off film fertilizer applicator under a kind of flue-cured tobacco film |
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- 2019-01-08 CN CN202010941483.0A patent/CN112025624B/en active Active
- 2019-01-08 CN CN201910017150.6A patent/CN109483477B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3731364A (en) * | 1970-10-05 | 1973-05-08 | Boston E Witt | Broken sprinkler standpipe removing tool |
| US4377956A (en) * | 1980-07-22 | 1983-03-29 | Dennis Cooper | Pipe extractor tool |
| US4724608A (en) * | 1986-11-20 | 1988-02-16 | Parrott Ronald J W | Extractor tool for bearings, bushings and the like |
| CN2259309Y (en) * | 1996-04-18 | 1997-08-13 | 马思华 | Apparatus for dismounting axle sleeve for wheel of vehicle |
| CN202241088U (en) * | 2011-09-28 | 2012-05-30 | 北京燕华工程建设有限公司 | Process equipment for pipe penetration |
| CN202292623U (en) * | 2011-09-30 | 2012-07-04 | 西安航空动力控制有限责任公司 | Sleeve puller |
| CN108422384A (en) * | 2018-04-11 | 2018-08-21 | 杨阿林 | The water pipe that breaks end rotates extractor |
| CN108608372A (en) * | 2018-04-11 | 2018-10-02 | 杨阿林 | A kind of broken end water pipe rotation extractor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112388569A (en) * | 2020-11-04 | 2021-02-23 | 程昌锋 | PVC screwed pipe fracture instrument of taking out |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109483477B (en) | 2020-10-27 |
| CN112025624B (en) | 2021-09-14 |
| CN112025624A (en) | 2020-12-04 |
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Effective date of registration: 20200923 Address after: Room 102, unit 1, building 7, sunshine garden, Zhongshengyuan, no.6, zhanjiashan North Road, Taozhu street, Zhuji City, Shaoxing City, Zhejiang Province Applicant after: Zhuji fanchen Engineering Management Co.,Ltd. Address before: 315311 No. 46 Xiaofan Road, Longshan Town, Cixi City, Ningbo City, Zhejiang Province Applicant before: Ye Congmei |
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Denomination of invention: A device for taking out broken residual pipe in pipeline Effective date of registration: 20211229 Granted publication date: 20201027 Pledgee: Bank of Ningbo Co.,Ltd. Shaoxing Branch Pledgor: Zhuji fanchen Engineering Management Co.,Ltd. Registration number: Y2021330002744 |
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Date of cancellation: 20220512 Granted publication date: 20201027 Pledgee: Bank of Ningbo Co.,Ltd. Shaoxing Branch Pledgor: Zhuji fanchen Engineering Management Co.,Ltd. Registration number: Y2021330002744 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A device for removing broken residual pipe in a pipeline Effective date of registration: 20220804 Granted publication date: 20201027 Pledgee: Bank of Ningbo Co.,Ltd. Shaoxing Branch Pledgor: Zhuji fanchen Engineering Management Co.,Ltd. Registration number: Y2022980011925 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20201027 Pledgee: Bank of Ningbo Co.,Ltd. Shaoxing Branch Pledgor: Zhuji fanchen Engineering Management Co.,Ltd. Registration number: Y2022980011925 |