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CN106903466A - Apparatus for shaping and technique in a kind of welded still pipe weld seam - Google Patents

Apparatus for shaping and technique in a kind of welded still pipe weld seam Download PDF

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Publication number
CN106903466A
CN106903466A CN201710253488.2A CN201710253488A CN106903466A CN 106903466 A CN106903466 A CN 106903466A CN 201710253488 A CN201710253488 A CN 201710253488A CN 106903466 A CN106903466 A CN 106903466A
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CN
China
Prior art keywords
board mount
heat conduction
conduction board
shaping
conducting plate
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
Application number
CN201710253488.2A
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Chinese (zh)
Other versions
CN106903466B (en
Inventor
肖弘宇
肖国栋
秦国梁
杨成营
敖志勇
江海红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Asahi Stainless Steel Co Ltd
Original Assignee
Shandong Asahi Stainless Steel Co Ltd
Priority date (The priority date 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 date listed.)
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Priority to CN201710253488.2A priority Critical patent/CN106903466B/en
Publication of CN106903466A publication Critical patent/CN106903466A/en
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Publication of CN106903466B publication Critical patent/CN106903466B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
    • B23K37/003Cooling means for welding or cutting

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Arc Welding In General (AREA)

Abstract

The invention discloses apparatus for shaping and technique in a kind of welded still pipe weld seam, with technological operation is simple, convenient maintenance and replacement and the characteristics of do not need every kind of caliber to be equipped with different device, its technical scheme is:Including heat-conducting plate and heat conduction board mount, described heat conduction board mount includes heat conduction board mount fixed cell and heat conduction board mount movable units, described heat conduction board mount movable units are provided with flexible adjustment system, are connected by flexible adjustment system between described heat conduction board mount fixed cell and heat conduction board mount movable units;On heat conduction board mount fixed cell, the upper surface of described heat-conducting plate is provided with heat-conducting plate groove to described heat-conducting plate.

Description

Apparatus for shaping and technique in a kind of welded still pipe weld seam
Technical field
The present invention relates to welding field, apparatus for shaping and technique in more particularly to a kind of welded still pipe weld seam.
Background technology
Direct current TIG high-speed weldings are one of key technologies during current steel pipe's production, but are welded itself deposition rate by TIG Limitation low, the shortcomings of fusion penetration is shallow, current speed of welding has turned into the bottleneck of thin-wall steel tube output increased.And appearance of weld is Influence welding quality and speed key factor, during direct current TIG high-speed weldings often occur inside weld it is curvilinear, The defect such as reinforcement is uneven, width is uneven, these defects have a strong impact on to tube quality.Especially for pressure-bearing pipe For, the uneven stress concentration easily caused during pressure-bearing of internal weld seams and cause this region burst.Therefore, welded still pipe Shaping technique is produced therewith in weld seam.
Shaping process is to contact to make it force shaping to obtain uniformly with inside weld by heat-conducting plate in welded still pipe weld seam Weld seam, and protective gas protection internal weld seams are passed to anti-oxidation, pass to cooling solution and cool down heat-conducting plate to reduce scaling loss.Use The technique can increase substantially speed of welding.But, shaping process still suffers from work in welded still pipe weld seam of the prior art The defects such as skill complex operation, apparatus for shaping inconvenient maintenance.
The content of the invention
In order to overcome the deficiencies in the prior art, the invention provides apparatus for shaping and technique in a kind of welded still pipe weld seam, It has simple technological operation, convenient maintenance and replacement and does not need every kind of caliber to be equipped with different device, and single group device is suitable for many The characteristics of planting different tube diameters.
It is described the invention provides apparatus for shaping in a kind of welded still pipe weld seam, including heat-conducting plate and heat conduction board mount Heat conduction board mount includes heat conduction board mount fixed cell and heat conduction board mount movable units;Described heat conduction board mount may move Unit is provided with flexible adjustment system, passes through between described heat conduction board mount fixed cell and heat conduction board mount movable units Flexible adjustment system is connected;On heat conduction board mount fixed cell, the upper surface of described heat-conducting plate sets described heat-conducting plate There is heat-conducting plate groove, steel duct weld seam is forced shaping by heat-conducting plate groove.
Further, described heat conduction board mount can select the metals such as carbon steel, stainless steel and be made.
Further, described heat conduction board mount fixed cell includes base plate, baffle plate I, baffle plate II and arm-tie, described bottom One end of plate is provided with baffle plate I, and the other end of described base plate is provided with baffle plate II, and the side of described baffle plate II is provided with arm-tie.Lead The effect of hot plate support fixed cell is to fix heat-conducting plate, and moulding section is forced all the time to ensure heat-conducting plate by the stop in multiple faces Contacted with inside weld.
Further, described base plate is door type structure, and it is empty that described baffle plate I, baffle plate II and base plate form semi-cylindrical Between.
Further, the section of described heat-conducting plate is circular arc, and described heat-conducting plate is in semi-cylindrical space;Lead Hot plate can be made of high-thermal conductive metals such as copper, silver.
Further, the side of described heat-conducting plate is provided with the coolant circulation mouth of pipe and the protection gas gas circuit mouth of pipe.
Further, described heat conduction board mount movable units are half cylindrical structure, and described heat conduction board mount can The upper surface of mobile unit is door type structure, and the inside of described heat conduction board mount movable units is semi-cylindrical cavity.Lead Hot plate support movable units adapt to different calibers by the flexible adjustment system for carrying.
Further, the both sides of described heat conduction board mount movable units are provided with groove.
Further, described flexible adjustment system is through the upper surface of heat conduction board mount movable units and is fixed on recessed In groove.Described flexible adjustment system includes some groups of springs being arranged in pairs, and described spring one end is fixed under base plate Portion, the other end of described spring is fixed in groove.Flexible by spring realizes heat conduction board mount movable units Lower movement is adapting to the steel pipe of different tube diameters.
Present invention also offers shaping process in a kind of welded still pipe weld seam, comprise the following steps:
Apparatus for shaping in the welded still pipe weld seam that step 1 selection is matched with steel pipe sizes;
Coolant is circulated step 2 into the mouth of pipe and the protection gas gas circuit mouth of pipe is connected with coolant duct, protector pipeline respectively;
Apparatus for shaping in welded still pipe weld seam is put into steel pipe inner wall by step 3, and steel duct is pushed after compression, makes heat-conducting plate The starting point of groove is located at molten bath end;
Apparatus for shaping makes the center line of heat-conducting plate groove and internal weld seams center line position in step 4 rotating welding steel pipe seam In same plane;
Step 5 is installed after terminating and starts welding.
Further, the requirement for being matched with steel pipe sizes in described step 1 is:Heat-conducting plate peak in a free state Be more than pipe diameter with the distance between heat conduction board mount movable units minimum point, under compressive state heat-conducting plate peak with lead The distance between hot plate support movable units minimum point is less than pipe diameter.
Compared with prior art, the beneficial effects of the invention are as follows:
1st, all parts material in the present invention can have multiple choices, and heat-conducting plate can select the high heat conductions such as copper, silver gold Category, heat conduction board mount can select the metals such as carbon steel, stainless steel, it is possible to achieve the control to material cost;
2nd, the present invention is simple to operate, and the specification hand that need to only choose needs gently presses push-in steel duct, drops significantly Low cost of labor and labor strength;
3rd, by heat-conducting plate groove force shaping after internal weld seams it is uniformly bright, except because cause specific (special technical requirement, Weld defect, heat-conducting plate scaling loss etc.) extra process need not be carried out outward, improve product quality and reduce production cost.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis These accompanying drawings obtain other accompanying drawings.
Fig. 1 is structural representation of the invention;
Fig. 2 is structural representation front view of the invention;
Fig. 3 is structural representation top view of the invention;
Fig. 4 is heat conduction board mount fixed cell front view of the invention;
Wherein, 1- heat-conducting plates, 2- heat-conducting plate grooves, the 3- coolants circulation mouth of pipe, the 4- protection gas gas circuit mouths of pipe, 5- heat-conducting plates Support fixed cell, 6- flexible adjustment systems, 7- heat conduction board mount movable units, 8- baffle plates I, 9- arm-tie, 10- base plates, 11- Baffle plate II.
Specific embodiment
It is noted that described further below is all exemplary, it is intended to provide further instruction to the present invention.Unless another Indicate, all technologies used herein and scientific terminology are with usual with general technical staff of the technical field of the invention The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to illustrative embodiments of the invention.As used herein, unless the context clearly indicates otherwise, otherwise singulative Be also intended to include plural form, additionally, it should be understood that, when in this manual use term "comprising" and/or " bag Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, there is complex operation, apparatus for shaping inconvenient maintenance etc. in the prior art no Foot, in order to solve technical problem as above, the present invention proposes apparatus for shaping and technique in a kind of welded still pipe weld seam.
In a kind of typical implementation method of the invention, as Figure 1-Figure 4, there is provided whole in a kind of welded still pipe weld seam Shape dress is put, including heat-conducting plate 1 and heat conduction board mount, and described heat conduction board mount includes heat conduction board mount fixed cell 5 and heat conduction Board mount movable units 7;Described heat conduction board mount movable units 7 are provided with flexible adjustment system 6, described heat-conducting plate Connected by flexible adjustment system 6 between support fixed cell 5 and heat conduction board mount movable units 7;Described heat-conducting plate 1 sets In on heat conduction board mount fixed cell 5, the both sides of the edge of described heat-conducting plate 1 have with the bottom surface of heat conduction board mount fixed cell 5 Spacing, can effectively radiate in welding process.
The upper surface of described heat-conducting plate 1 is provided with heat-conducting plate groove 2, makes steel duct weld seam strong by heat-conducting plate groove 2 It is made type.
Above-mentioned heat-conducting plate groove 2 can be processed into not according to technical requirements such as different thickness of steel pipe, caliber, carrying pressure Same size.
Above-mentioned heat conduction board mount can select the metals such as carbon steel, stainless steel and be made.
Above-mentioned heat conduction board mount fixed cell 5 includes base plate 10, baffle plate I8, baffle plate II11 and arm-tie 9, described base plate 10 one end is provided with baffle plate I8, and the other end of described base plate 10 is provided with baffle plate II11, and the side of described baffle plate II11 is provided with Arm-tie 9.The effect of heat conduction board mount fixed cell 5 is to fix heat-conducting plate 1, by the stop in multiple faces ensureing heat-conducting plate the last 1 Moulding section processed is contacted with inside weld all the time;Arm-tie 9 is used for the position of adjusting means and weld seam, and welding is drawn after terminating by pulling Device is pulled out steel pipe by plate 9.Described arm-tie 9 can also be replaced with structures such as pull bar, handle, draw rings.
Above-mentioned base plate 10 is door type structure, and described baffle plate I8, baffle plate II11 and base plate 10 form semi-cylindrical space.
The section of above-mentioned heat-conducting plate 1 is circular arc, and described heat-conducting plate 1 is in semi-cylindrical space;Heat-conducting plate 1 can It is made of high-thermal conductive metals such as copper, silver.
The side of above-mentioned heat-conducting plate 1 is provided with the coolant circulation mouth of pipe 3 and the protection gas gas circuit mouth of pipe 4, can be according to actual need Choose whether to use coolant to cool down or gas shield.
Above-mentioned heat conduction board mount movable units 7 are half cylindrical structure, described heat conduction board mount movable units 7 Upper surface be door type structure, the inside of described heat conduction board mount movable units 7 is semi-cylindrical cavity.Heat conduction board mount Movable units 7 adapt to different calibers by the flexible adjustment system 6 for carrying.
The both sides of above-mentioned heat conduction board mount movable units 7 are provided with groove, can effectively be radiated in welding process.
Above-mentioned flexible adjustment system 6 is through the upper surface of heat conduction board mount movable units 7 and is fixed in groove.Institute Central Symmetry of the flexible adjustment system 6 stated on heat conduction board mount fixed cell 5 and heat conduction board mount movable units 7 sets Put.Described flexible adjustment system can be spring or other realize the structure of Telescopic, heat conduction is determined according to actual requirement The number of spring between board mount fixed cell 5 and heat conduction board mount movable units 7, is not limited to 6 shown in Fig. 1.It is logical Crossing the flexible of spring makes heat conduction board mount movable units realize moving up and down to adapt to the steel pipe of different tube diameters.
In another embodiment of the invention, above-mentioned heat conduction board mount fixed cell 5 includes base plate 10, baffle plate I8, gear Plate II11, arm-tie 9 and cover plate, one end of described base plate 10 are provided with baffle plate I8, and the other end of described base plate 10 is provided with baffle plate The side of II11, described baffle plate II11 is provided with arm-tie 9, and described cover plate is located between baffle plate I8 and baffle plate II11, described The section of cover plate is circular arc, for supporting heat-conducting plate 1;Described heat-conducting plate 1 is located at the top of cover plate.
In another embodiment of the invention, there is provided shaping process in a kind of welded still pipe weld seam, with 50 × 1.5mm of Φ The example that is produced as of 304 Austenitic stainless steel pipes is illustrated:
(1) apparatus for shaping in the welded still pipe weld seam of appropriate size is chosen, it is desirable to which heat-conducting plate 1 is most in a free state for device High point is more than 47mm (pipe diameter) with the perigee distance of heat conduction board mount movable units 7, is compressed to minimum point and is less than steel Bore;
(2) choose whether to connect coolant or gas shield, connect pipeline;
(3) apparatus for shaping in welded still pipe weld seam is put into steel pipe inner wall, steel duct, the direction of arm-tie 9 is pushed after compression The outside of steel pipe, it is desirable to which the starting point of heat-conducting plate groove 2 is located at molten bath end above apparatus for shaping in welded still pipe weld seam;
(4) apparatus for shaping makes the center line of heat-conducting plate groove 7 and internal weld seams center line position in rotating welding steel pipe seam In same plane;
(5) heat conduction board mount fixed cell 5 (can use different fixed forms according to on-site actual situations) is fixed;
(6) to install and start welding after terminating.
Although above-mentioned be described with reference to accompanying drawing to specific embodiment of the invention, not to present invention protection model The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not Need the various modifications made by paying creative work or deformation still within protection scope of the present invention.

Claims (10)

1. apparatus for shaping in a kind of welded still pipe weld seam, it is characterised in that including heat-conducting plate and heat conduction board mount, described heat conduction Board mount includes heat conduction board mount fixed cell and heat conduction board mount movable units, described heat conduction board mount movable units Flexible adjustment system is provided with, by elasticity between described heat conduction board mount fixed cell and heat conduction board mount movable units Regulating system is connected;On heat conduction board mount fixed cell, the upper surface of described heat-conducting plate is provided with leads described heat-conducting plate Hot plate groove.
2. apparatus for shaping in a kind of welded still pipe weld seam according to claim 1, it is characterised in that described heat-conducting plate branch Frame fixed cell includes base plate, baffle plate I, baffle plate II and arm-tie, and one end of described base plate is provided with baffle plate I, described base plate The other end is provided with baffle plate II, and the side of described baffle plate II is provided with arm-tie.
3. apparatus for shaping in a kind of welded still pipe weld seam according to claim 2, it is characterised in that described base plate is door Type structure, described baffle plate I, baffle plate II and base plate form semi-cylindrical space.
4. apparatus for shaping in a kind of welded still pipe weld seam according to claim 3, it is characterised in that described heat-conducting plate Section is circular arc, and described heat-conducting plate is in semi-cylindrical space.
5. apparatus for shaping in a kind of welded still pipe weld seam according to claim 1, it is characterised in that described heat-conducting plate Side is provided with the coolant circulation mouth of pipe and the protection gas gas circuit mouth of pipe.
6. apparatus for shaping in a kind of welded still pipe weld seam according to claim 1, it is characterised in that described heat-conducting plate branch Frame movable units are half cylindrical structure, and the upper surface of described heat conduction board mount movable units is door type structure, described Heat conduction board mount movable units inside be semi-cylindrical cavity.
7. apparatus for shaping in a kind of welded still pipe weld seam according to claim 6, it is characterised in that described heat-conducting plate branch The both sides of frame movable units are provided with groove.
8. apparatus for shaping in a kind of welded still pipe weld seam according to claim 3 or 7, it is characterised in that described elasticity Regulating system includes some groups of springs being arranged in pairs, and described spring one end is fixed on the bottom of base plate, described spring The other end is fixed in groove.
9. according to shaping process in a kind of any described welded still pipe weld seams of claim 1-8, it is characterised in that including following Step:
Apparatus for shaping in the welded still pipe weld seam that step 1 selection is matched with steel pipe sizes;
Coolant is circulated step 2 into the mouth of pipe and the protection gas gas circuit mouth of pipe is connected with coolant duct, protector pipeline respectively;
Apparatus for shaping in welded still pipe weld seam is put into steel pipe inner wall by step 3, and steel duct is pushed after compression, makes heat-conducting plate groove Starting point be located at molten bath end;
Apparatus for shaping makes the center line of heat-conducting plate groove and internal weld seams center line be located at together in step 4 rotating welding steel pipe seam One plane;
Step 5 is installed after terminating and starts welding.
10. shaping process in a kind of welded still pipe weld seam according to claim 9, it is characterised in that in described step 1 The requirement matched with steel pipe sizes is:In a free state heat-conducting plate peak and heat conduction board mount movable units minimum point it Between distance be more than pipe diameter, under compressive state between heat-conducting plate peak and heat conduction board mount movable units minimum point Distance is less than pipe diameter.
CN201710253488.2A 2017-04-18 2017-04-18 Apparatus for shaping and technique in a kind of welded still pipe weld seam Active CN106903466B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111515534A (en) * 2020-04-08 2020-08-11 哈尔滨汽轮机厂有限责任公司 Manufacturing method and supporting tool for hula seal of gas turbine nozzle
CN114851003A (en) * 2022-05-06 2022-08-05 马鞍山市华科实业有限公司 Weld joint removing and shaping equipment for steel pipe machining
CN116329799A (en) * 2023-06-01 2023-06-27 武汉海德龙仪表科技有限公司 Welding device and method for manufacturing and processing liquid level meter

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JPS5469544A (en) * 1977-11-15 1979-06-04 Mitsubishi Heavy Ind Ltd Backing apparatus
JPS59209480A (en) * 1984-04-05 1984-11-28 Kawasaki Heavy Ind Ltd Welding device for cylindrical body
US4682724A (en) * 1986-03-12 1987-07-28 Helmut Hahn Welding apparatus
CN203109412U (en) * 2013-01-29 2013-08-07 广东禅涛钢结构有限公司 Steel tube longitudinal weld seam welding device
CN104128694A (en) * 2014-07-24 2014-11-05 江门市新会区同达化工机械制造有限公司 Longitudinal seam red copper liner welding process of steel sheet pressure vessel and red copper liner used by same
CN104339120A (en) * 2014-10-31 2015-02-11 茂名重力石化机械制造有限公司 Self-tightened type aligner for aligning shock-cooling heat exchanger tube
CN105364262A (en) * 2015-11-25 2016-03-02 中国石油天然气集团公司 Welding device and copper liner
CN206614167U (en) * 2017-04-18 2017-11-07 山东朝日不锈钢有限公司 Apparatus for shaping in a kind of welded still pipe weld seam

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5469544A (en) * 1977-11-15 1979-06-04 Mitsubishi Heavy Ind Ltd Backing apparatus
JPS59209480A (en) * 1984-04-05 1984-11-28 Kawasaki Heavy Ind Ltd Welding device for cylindrical body
US4682724A (en) * 1986-03-12 1987-07-28 Helmut Hahn Welding apparatus
EP0236941B1 (en) * 1986-03-12 1991-10-02 Helmut Hahn Welding device for butting tube ends
CN203109412U (en) * 2013-01-29 2013-08-07 广东禅涛钢结构有限公司 Steel tube longitudinal weld seam welding device
CN104128694A (en) * 2014-07-24 2014-11-05 江门市新会区同达化工机械制造有限公司 Longitudinal seam red copper liner welding process of steel sheet pressure vessel and red copper liner used by same
CN104339120A (en) * 2014-10-31 2015-02-11 茂名重力石化机械制造有限公司 Self-tightened type aligner for aligning shock-cooling heat exchanger tube
CN105364262A (en) * 2015-11-25 2016-03-02 中国石油天然气集团公司 Welding device and copper liner
CN206614167U (en) * 2017-04-18 2017-11-07 山东朝日不锈钢有限公司 Apparatus for shaping in a kind of welded still pipe weld seam

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111515534A (en) * 2020-04-08 2020-08-11 哈尔滨汽轮机厂有限责任公司 Manufacturing method and supporting tool for hula seal of gas turbine nozzle
CN111515534B (en) * 2020-04-08 2021-12-21 哈尔滨汽轮机厂有限责任公司 Manufacturing method and supporting tool for hula seal of gas turbine nozzle
CN114851003A (en) * 2022-05-06 2022-08-05 马鞍山市华科实业有限公司 Weld joint removing and shaping equipment for steel pipe machining
CN114851003B (en) * 2022-05-06 2024-06-11 马鞍山市华科实业有限公司 Weld seam removal and shaping equipment for steel pipe processing
CN116329799A (en) * 2023-06-01 2023-06-27 武汉海德龙仪表科技有限公司 Welding device and method for manufacturing and processing liquid level meter
CN116329799B (en) * 2023-06-01 2023-08-08 武汉海德龙仪表科技有限公司 Welding device and method for manufacturing and processing liquid level meter

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Denomination of invention: A kind of welding pipe weld internal shaping device and process

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Denomination of invention: An internal shaping device and process for welded steel pipe weld

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Pledgor: SHANDONG ASAHI STAINLESS STEEL Co.,Ltd.

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PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20231117

Granted publication date: 20190308

Pledgee: Shandong Linqu Rural Commercial Bank Co.,Ltd.

Pledgor: SHANDONG ASAHI STAINLESS STEEL Co.,Ltd.

Registration number: Y2022980018862