CN108555188A - End reinforced shaping mould and clamping mold and reinforced bar processing device - Google Patents
End reinforced shaping mould and clamping mold and reinforced bar processing device Download PDFInfo
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- CN108555188A CN108555188A CN201810552422.8A CN201810552422A CN108555188A CN 108555188 A CN108555188 A CN 108555188A CN 201810552422 A CN201810552422 A CN 201810552422A CN 108555188 A CN108555188 A CN 108555188A
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- 238000007493 shaping process Methods 0.000 title claims abstract description 39
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 239000007787 solid Substances 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000009825 accumulation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F5/00—Upsetting wire or pressing operations affecting the wire cross-section
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The present invention relates to a kind of end reinforced shaping mould of bar connecting industry and clamping molds and reinforced bar processing device, belong to rebar connecting technology and connection mechanical equipment manufacturing technology field.The end reinforced shaping mould includes housing, inner sleeve.The reinforcing bar clamping mold includes upper half cylinder and lower half cylinder.The steel bar meter lathe includes end reinforced shaping mould, reinforcing bar clamping mold, rack, clamping cylinder, propulsion cylinder, head, control system and hydraulic system.End reinforced shaping mould of the present invention and clamping mold and reinforced bar processing device, it improves tensile strength, machining accuracy and the efficiency of material, reduce labor intensity, the drawbacks of avoiding material plasticity, poor impact toughness, good processing basis is provided for the processing of follow-up screw thread steel screw thread, there is very high practicability.
Description
Technical field
The present invention relates to a kind of end reinforced shaping mould and clamping molds and reinforced bar processing device, more precisely relate to
And a kind of end reinforced shaping mould of bar connecting industry and clamping mold and reinforced bar processing device, belong to rebar connecting technology
And connection mechanical equipment manufacturing technology field.
Background technology
In the large-scale construction engineerings such as bridge, subway, nuclear power, super-high buildings, water conservancy, need to connect Ribbed Bar
It connects, and screw shell connection is a kind of mode being most widely used.Screw shell is that internal thread is processed in sleeve, with ribbing
End reinforced processing external threads, when use, link together by the engaged effect of screw thread.Currently, Ribbed Bar end
Externally threaded machining tool is divided to two kinds of straight roller bed and stripping rib lathe.
In straight rolling machine operation, screw thread process rolled thread part needs four cylindrical die rolls, cylindrical die roll to push ahead to ribbing
Screw thread is processed in end reinforced progress rolled thread, after completion of processing the rotation of cylindrical die roll negative direction exit.Such mode, due to cylindrical die roll to
It is pushed forward into until Ribbed Bar end rolled thread to certain length is stopped so that the thread head error in length processed compares
Greatly, easily lead to that connection length is short and then bonding strength is low when site operation.Further, cylindrical die roll is pushed ahead, and is easy to make
Squeeze accumulation at screw thread node at Ribbed Bar, after completion of processing the rotation of cylindrical die roll negative direction exit again so that Ribbed Bar spiral shell
One-off drawing is undergone at line node, preceding step squeezes accumulation, follow-up further to stretch, and be easy to cause Ribbed Bar at screw thread node
There is machinery to pull, bonding strength is caused to reduce.
It shells in rib machine operation, needs to peel Ribbed Bar end off crust, that is, rib is peeled off, be then re-fed into silk
Head carries out end thread processing, again extracts Ribbed Bar out after completion of processing, and screw thread process rolled thread part needs three rolled thread
Wheel.Although this operation improves the flatness on Ribbed Bar surface than straight rolling machine tooling, still fail to solve screw thread steel
End error is larger, squeeze or accumulation stretch cause internal mechanical to pull, bonding strength caused by end is not rounded is low etc. asks
Topic, and shell rib lathe there is also machining accuracies the problems such as low, labor intensity is big, processing efficiency is low.Further, since Ribbed Bar
Non-round and surface irregularity, after processing screw thread, screw thread height is uneven, is only high point connection when causing to connect with screw shell,
Rather than screw thread is all connected, this also results in bonding strength reduction.That there is also structures is single for straight roller bed, replaces processing rule
The problems such as lattice process is complicated, labor intensity is big, processing efficiency is low, machining accuracy is low.
With in bar connecting, Ribbed Bar hardness, the raising of intensity and project scale, the gradual of labor intensity add
Greatly, existing equipment gradually cannot be satisfied processing request.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies of existing technologies, a kind of end reinforced shaping mould is provided
And clamping mold and reinforced bar processing device, the end reinforced shaping mould and clamping mold have labour strong with reinforced bar processing device
Degree reduce, processing efficiency and precision it is high, it is easily operated, do not destroy the advantages that raw material.
Technical problem of the present invention is realized by following technical scheme.
First, the present invention provides a kind of end reinforced shaping mould comprising housing and is arranged in jacket internal
Set.
Further, above-mentioned end reinforced shaping mould, the housing are integrally formed by taper end portion and thick end;It is described thick
End includes first segment end and the second section end;The first segment end is rectangle on Section A-A, and the second section end is in A-
It is trapezoidal on the sections A;Second section is provided with the second endoporus in end, and the is provided in the taper end portion and first segment end
One endoporus, and the diameter of the second endoporus is more than the diameter of the first endoporus.
It is rectangle to be sleeved in described on Section A-A, and inner port edge is in be made of different lines in Section A-A, is wrapped successively
Parantheses line segment, long oblique line section, straightway and virgule section.
Secondly, the present invention provides a kind of reinforcing bar clamping mold comprising upper half cylinder and lower half cylinder;The upper half cylinder
With one cylinder of formation when lower half cylinder pairing.
Further, mold is clamped in above-mentioned reinforcing bar, and the upper half cylinder and lower half barrel outer surface centre position are circumferentially
Direction is respectively arranged with the positioning rib of protrusion;It is provided with mounting hole on the positioning rib;The upper half cylinder and lower half cylinder
Internal surface is along the circumferential direction uniformly arranged fluted respectively.
Finally, the present invention provides a kind of steel bar meter device comprising above-mentioned end reinforced shaping mould, above-mentioned reinforcing bar
Mold, rack, clamping cylinder, propulsion cylinder, head, control system and hydraulic system is clamped;The clamping cylinder is arranged in upper rack;
The propulsion cylinder is mounted in rack upper left position;The head is mounted in propulsion cylinder front end;The end reinforced shaping mould fixes dress
Inside head, locknut is used in combination to fix;The upper half cylinder of the reinforcing bar clamping mold is arranged in clamping cylinder lower end, lower half cylinder
It is arranged in rack, its center line is overlapped with head center line when half cylinder is combined to form cylinder with lower half cylinder;The control
System processed is mounted in rack upper left position front end;The hydraulic system is placed on Shelf External.
Further, the steel bar meter device, which is characterized in that the head is by the first handpiece body, second
The cylinder that handpiece body, third head body by integral forming are constituted;Wherein, the first handpiece body, the second handpiece body, third handpiece body it is straight
Diameter reduces for the first time;The head is provided with housing mounting hole, shape and housing in the second handpiece body, third head body portion
It is identical;The head is provided with the propulsion mounting hole being connect with propulsion cylinder in the first head body portion.
End reinforced shaping mould of the present invention and clamping mold and reinforced bar processing device, Ribbed Bar end is sent
Enter in the shaping mould of muscle end, molded through shrinkage, end reinforced density greatly improves after contracting pressure, overcomes prior art presence
End reinforced feeding length it is not easy to control, squeeze or accumulation stretch cause internal crack, end it is not rounded caused by connection
The problems such as intensity is low improves tensile strength, machining accuracy and the efficiency of material, reduces labor intensity, avoids material modeling
Property, poor impact toughness the drawbacks of, good processing basis is provided for the processing of follow-up screw thread steel screw thread, with very high practicality
Property.
Description of the drawings
The schematic diagram of housing in Figure 1A end reinforced shaping moulds of the present invention
The Section A-A schematic diagram of housing in Figure 1B end reinforced shaping moulds of the present invention
The schematic diagram of inner sleeve in Fig. 2A end reinforced shaping moulds of the present invention
The Section A-A schematic diagram of inner sleeve in Fig. 2 B end reinforced shaping moulds of the present invention
The schematic diagram of Fig. 3 reinforcing bar clamping molds of the present invention
The structural schematic diagram of Fig. 4 steel bar meter devices of the present invention
Head section B-B schematic diagram in Fig. 5 steel bar meter devices of the present invention
Specific implementation mode
With reference to embodiment and attached drawing invention is further described in detail.
As shown in Fig. 1 to 5, each label is respectively in figure:1. housing (1-1. taper ends portion, 1-2. thick ends, 1-3. first segments
End, 1-4. second save end, the first endoporus of 1-5, the second endoporus of 1-6);2. inner sleeve (2-1. arc segments, 2-2 long line segments, 2-3
Straightway, 2-4 virgules section);3. upper half cylinder;4. lower half cylinder;5. positioning rib;6. mounting hole;7. groove;8. rack;9
Clamping cylinder;10. propulsion cylinder;11. head (the first handpiece bodies of 11-1., the second handpiece bodies of 11-2., 11-3. thirds handpiece body, 11-4
Housing mounting hole, 11-5. promote mounting hole);12. control system;13. hydraulic system;14. locknut.
End reinforced shaping mould of the present invention, including housing 1 and the inner sleeve 2 that is arranged inside housing 1.
Wherein, the housing 1 is integrally formed by taper end portion 1-1 and thick end 1-2;The thick end 1-2 includes first segment
The sections of end 1-3 and second end 1-4;The first segment end 1-3 is trapezoidal on Section A-A, and the second section end 1-4 is in A-A
It is rectangle on section;The sections of the first endoporus 1-5, the taper end portion 1-1 and second end 1- is provided in the first segment end 1-3
The second endoporus 1-6 is provided in 4, and the diameter of the first endoporus 1-5 is more than the diameter of the second endoporus 1-6.The inner sleeve 2 is in A-
It is rectangle on the sections A, inner port edge is in be made of different lines in Section A-A, includes arc segment 2-1, long oblique line section successively
2-2, straightway 2-3 and virgule section 2-4.
The construction of end reinforced shaping mould of the present invention, housing 1 may be implemented with 11 good fixation of head even
It connects, and can guarantee the positioning of inner sleeve 2.Due to the special tectonic of 2 internal gutter of inner sleeve, the extruding of Ribbed Bar end may be implemented
Undergauge shaping, and ensure not destroy or do not peel off the rib of reinforcing bar so that rib is directly squeezed into reinforcing bar to center of circle direction.Into one
Step, due to the special tectonic of 2 internal gutter of inner sleeve so that the not rounded end of Ribbed Bar, also due to squeezing undergauge shaping
Become rounding.Finally, smooth at surface, rounding the form by Ribbed Bar end machining and shaping.
The present invention provides the reinforcing bar and mold, including upper half cylinder 3 and lower half cylinder 4 is clamped;The upper half cylinder 3 with
A cylinder is formed when lower half 4 pairing of cylinder.The upper half cylinder 3 is circumferentially square with 4 outer surface centre position of lower half cylinder
To the positioning rib 5 for being respectively arranged with protrusion;It is provided with mounting hole 6 on the positioning rib 5;The upper half cylinder 3 and lower half
4 inner surface of cylinder is along the circumferential direction uniformly arranged fluted 7 respectively.
The construction of reinforcing bar clamping mold is to realize good fixation to reinforcing bar when carrying out shaping to Ribbed Bar, including
Radially, axially, Ribbed Bar is made not to be subjected to displacement, to ensure the precision of Ribbed Bar end shaping.Upper half cylinder 3 and lower half cylinder
Body 4 is combined to form cylinder and may be implemented to fix the extruding of Ribbed Bar, and groove 7 can be engaged increasing with the rib of Ribbed Bar
Big frictional contact surface, positioning rib 5 can be such that upper half cylinder 3 is not subjected to displacement in the axial direction with lower half cylinder 4.
On this basis, in order to realize the automation of Ribbed Bar end shaping and improve efficiency and machining accuracy, this
It invents end reinforced shaping mould, reinforcing bar clamping mold and other component and has cooperatively formed steel bar meter device, wrap
Include the end reinforced shaping mould, reinforcing bar clamping mold, rack 8, clamping cylinder 9, propulsion cylinder 10, head 11, control
System 12 and hydraulic system 13 processed;The clamping cylinder 9 is arranged on 8 top of rack;The propulsion cylinder 10 is mounted in 8 upper left quarter of rack
Position;The head 11 is mounted in 10 front end of propulsion cylinder;The end reinforced shaping mould is installed on inside head 11, and locknut is used in combination
14 fix;In 9 lower end of clamping cylinder, lower half cylinder 4 is arranged in rack 8 for the setting of upper half cylinder 3 of the reinforcing bar clamping mold,
Its center line is overlapped with 11 center line of head when half cylinder 3 is combined to form cylinder with lower half cylinder 4;The control system 13 fills
In 8 upper left position front end of rack;The hydraulic system 13 is placed on outside rack 8.The head 11 is by the first handpiece body 11-
1, the second handpiece body 11-2, third handpiece body 11-3 are integrally formed the cylinder constituted;Wherein, the first handpiece body 11-1, the second machine
The diameter reduction for the first time of head body 11-2, third handpiece body 11-3;The head 11 is in the second handpiece body 11-2, third handpiece body
The parts 11-3 are provided with housing mounting hole 11-4, and shape is identical as housing 1;The head 11 is in the first parts handpiece body 11-1
It is provided with the propulsion mounting hole 11-5 being connect with propulsion cylinder 10.
Steel bar meter device of the present invention, control system 12 control the various actions of entire lathe, hydraulic system 13
Power is provided for clamping cylinder 9 and propulsion cylinder 10.In use, after whole equipment is powered, the Ribbed Bar that will be processed is put into clamping
4 position of mold lower half cylinder, by control system 12 make clamping cylinder 9 move downward drive steel bar clamping mold upper half cylinder 3
Ribbed Bar is clamped;Propulsion cylinder 10 is set to be done once back and forth to Ribbed Bar direction band motivation 115 by control system 12
Movement realizes Ribbed Bar undergauge shaping by end reinforced shaping mould;Clamping cylinder 9 is set to drive upper half by control system 12
Cylinder 3, which moves upwards, unclamps the Ribbed Bar that undergauge shaping is completed;Ribbed Bar is unloaded, time processing process is completed.
The undergauge length of steel bar meter device Ribbed Bar end, undergauge diameter can pass through the ruler of the end reinforced sizing die of change
Very little or model and change.
Steel bar meter device of the present invention, production efficiency is high, compressible 3-5 roots reinforcing bar per minute, than shelling rib lathe
Stripping rib speed improves 2-3 times.Product quality is high:Diameter contracting pressure after reinforcing bar, diameter, circularity, taper error ensure ±
It is highly polished within the scope of 0.05mm, and reinforcing bar is saved, the undergauge position of the reinforcing bar after extruding can extend 10%-15%, quality
Stablize, direct more mold exchange, easy to operate after die wear;The stripping rib diameter of common stripping rib lathe, circularity, taper error ±
Within the scope of 0.1mm, and there is dimension overproof and obtain adjustment equipment, being shelled after several test specimen measurement data are stablized in examination could continue to give birth to
Production, it is complicated for operation.Labor intensity is low:Size reducing machine substantial length of operation is all automatically brought into operation, and labor intensity is low;Shell rib lathe hand-operated clamping
Reinforcing bar, hand feed cutting, labor intensity are big.Properties of product are high:Reinforcing bar contracting laminate section steel density after undergauge can carry significantly
Height, the drawbacks of to improve the tensile strength of material, avoid material plasticity, poor impact toughness;Rib lathe is shelled by stripping rib cutting
Bar construction is destroyed, reinforced steel bar strength is reduced.
In short, the explanation of above example is only intended to helping to understand the present invention, enable professional and technical personnel in the field
Realize or use the present invention, be not intended to restrict the invention, all within the spirits and principles of the present invention, made by any repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. end reinforced shaping mould, which is characterized in that including housing (1) and the setting inner sleeve (2) internal in housing (1).
2. end reinforced shaping mould according to claim 1, which is characterized in that the housing (1) is by taper end portion (1-1)
It is integrally formed with thick end (1-2);The thick end (1-2) includes first segment end (1-3) and the second section end (1-4);Institute
It is trapezoidal on Section A-A to state first segment end (1-3), and the second section end (1-4) is rectangle on Section A-A;Described first
It is provided with the first endoporus (1-5) in section end (1-3), second is provided in the taper end portion (1-1) and the second section end (1-4)
Endoporus (1-6), and the diameter of the first endoporus (1-5) is more than the diameter of the second endoporus (1-6).
3. end reinforced shaping mould according to claim 1 or 2, which is characterized in that the inner sleeve (2) is in Section A-A
Upper is rectangle, and inner port edge is in be made of different lines in Section A-A, includes arc segment (2-1), long oblique line section (2- successively
2), straightway (2-3) and virgule section (2-4).
4. mold is clamped in reinforcing bar, which is characterized in that including upper half cylinder (3) and lower half cylinder (4);The upper half cylinder (3) with
A cylinder is formed when lower half cylinder (4) pairing.
5. mold is clamped in reinforcing bar according to claim 4, which is characterized in that the upper half cylinder (3) and lower half cylinder (4)
Outer surface centre position is along the circumferential direction respectively arranged with the positioning rib (5) of protrusion;It is provided on the positioning rib (5) solid
Determine hole (6);The upper half cylinder (3) is along the circumferential direction uniformly arranged fluted (7) respectively with lower half cylinder (4) inner surface.
6. steel bar meter device, which is characterized in that including end reinforced shaping mould described in claim 1, claim 4
Reinforcing bar clamping mold, rack (8), clamping cylinder (9), propulsion cylinder (10), head (11), control system (12) and the hydraulic pressure system
It unites (13);The clamping cylinder (9) is arranged on rack (8) top;The propulsion cylinder (10) is mounted in rack (8) upper left position;It is described
Head (11) is mounted in propulsion cylinder (10) front end;The end reinforced shaping mould is installed on head (11) inside, and locknut is used in combination
(14) fixed;Upper half cylinder (3) setting of the reinforcing bar clamping mold exists in clamping cylinder (9) lower end, lower half cylinder (4) setting
In rack (8), its center line and head (11) center line weight when upper half cylinder (3) is combined to form cylinder with lower half cylinder (4)
It closes;The control system (13) is mounted in rack (8) upper left position front end;It is external that the hydraulic system (13) is placed on rack (8).
7. steel bar meter device according to claim 6, which is characterized in that the head (11) is by the first handpiece body
(11-1), the second handpiece body (11-2), third handpiece body (11-3) are integrally formed the cylinder constituted;Wherein, the first handpiece body
(11-1), the second handpiece body (11-2), third handpiece body (11-3) diameter be sequentially reduced;The head (11) is in the second head
Body (11-2), third handpiece body (11-3) are partly provided with housing mounting hole (11-4), and shape is identical as housing (1);It is described
Head (11) is partly provided with the propulsion mounting hole (11-5) being connect with propulsion cylinder (10) in the first handpiece body (11-1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810552422.8A CN108555188A (en) | 2018-05-31 | 2018-05-31 | End reinforced shaping mould and clamping mold and reinforced bar processing device |
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Application Number | Priority Date | Filing Date | Title |
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CN201810552422.8A CN108555188A (en) | 2018-05-31 | 2018-05-31 | End reinforced shaping mould and clamping mold and reinforced bar processing device |
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CN201810552422.8A Pending CN108555188A (en) | 2018-05-31 | 2018-05-31 | End reinforced shaping mould and clamping mold and reinforced bar processing device |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1047189A (en) * | 1951-07-06 | 1953-12-11 | Fastening process for wire and metal bars | |
CN2287654Y (en) * | 1997-06-05 | 1998-08-12 | 中国建筑科学研究院建筑机械化研究所 | Steel reinforcement looping connection joint with rib |
CN2398032Y (en) * | 1998-04-28 | 2000-09-27 | 北京市北新施工技术研究所 | Reinforced bar cold holder |
CN101618509A (en) * | 2009-07-30 | 2010-01-06 | 廊坊凯博建设机械科技有限公司 | Equipment and method for processing steel reinforced bar threads |
CN207272042U (en) * | 2017-09-05 | 2018-04-27 | 浙江双冠建材股份有限公司 | A kind of band adjusts the electron-heating steel bar header of electrode |
CN207414200U (en) * | 2017-11-16 | 2018-05-29 | 刘星娟 | A kind of square pipe fitting necking machine |
CN208613620U (en) * | 2018-05-31 | 2019-03-19 | 石家庄核达科技有限公司 | End reinforced shaping mould and reinforced bar processing device |
-
2018
- 2018-05-31 CN CN201810552422.8A patent/CN108555188A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1047189A (en) * | 1951-07-06 | 1953-12-11 | Fastening process for wire and metal bars | |
CN2287654Y (en) * | 1997-06-05 | 1998-08-12 | 中国建筑科学研究院建筑机械化研究所 | Steel reinforcement looping connection joint with rib |
CN2398032Y (en) * | 1998-04-28 | 2000-09-27 | 北京市北新施工技术研究所 | Reinforced bar cold holder |
CN101618509A (en) * | 2009-07-30 | 2010-01-06 | 廊坊凯博建设机械科技有限公司 | Equipment and method for processing steel reinforced bar threads |
CN207272042U (en) * | 2017-09-05 | 2018-04-27 | 浙江双冠建材股份有限公司 | A kind of band adjusts the electron-heating steel bar header of electrode |
CN207414200U (en) * | 2017-11-16 | 2018-05-29 | 刘星娟 | A kind of square pipe fitting necking machine |
CN208613620U (en) * | 2018-05-31 | 2019-03-19 | 石家庄核达科技有限公司 | End reinforced shaping mould and reinforced bar processing device |
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TA01 | Transfer of patent application right |
Effective date of registration: 20190523 Address after: 052160 No. 38 Xingye Street, Shijiazhuang Economic and Technological Development Zone, Hebei Province Applicant after: HEBEI YIDA REINFORCING BAR CONNECTING TECHNOLOGY Co.,Ltd. Address before: 050035 Building No. 1, Huayang Apartment No. 59 Minjiang Road, Shijiazhuang High-tech Zone, Hebei Province, Unit 202 Applicant before: HEBEI LUNKE TRADING Co.,Ltd. |
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Application publication date: 20180921 |
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