CN106078604A - High efficiency steel wire press-in device - Google Patents
High efficiency steel wire press-in device Download PDFInfo
- Publication number
- CN106078604A CN106078604A CN201610502209.7A CN201610502209A CN106078604A CN 106078604 A CN106078604 A CN 106078604A CN 201610502209 A CN201610502209 A CN 201610502209A CN 106078604 A CN106078604 A CN 106078604A
- Authority
- CN
- China
- Prior art keywords
- steel wire
- thimble
- bed die
- syringe
- high efficiency
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 85
- 239000010959 steel Substances 0.000 title claims abstract description 85
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 239000000919 ceramic Substances 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 229910000679 solder Inorganic materials 0.000 abstract description 3
- 238000010891 electric arc Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 241000168254 Siro Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000012360 testing method Methods 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
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wire Processing (AREA)
Abstract
This patent discloses a kind of high efficiency steel wire press-in device, relate to technical field of mechanical equipment;High efficiency steel wire press-in device includes injector and top-pressure mechanism;Also include that bed die is fixed on frame bottom, and bed die is provided with fixed mechanism, and injector is positioned at above bed die by the nonmetal support made and the bed die being made of metal;Injector includes syringe and the thimble being each made of a metal, thimble and syringe endoporus matched in clearance, and thimble can slide in syringe, the lower end of thimble is inlaid with a ceramic ring, ceramic ring lower surface is 3~10mm with the spacing of thimble lower surface, and through less than steel wire external diameter in ceramic ring;Top-pressure mechanism is cylinder, the piston rod of cylinder and the upper-end contact of thimble.This device, after steel wire press-in annulus, carries out solder up with steel wire being inserted hole, and then has simplified technique;Have employed cylinder additionally, due to top-pressure mechanism, thus avoid too much manual operation, further increase production efficiency.
Description
Technical field
The present invention relates to plant equipment have a taste of, be specifically related to a kind of high efficiency steel wire press-in device.
Background technology
In hydraulic system, the connection between hydraulic tube piece and hydraulic tube piece is all to use hydraulic tube piece joint to complete, liquid
Pressure pipe fitting joint is made up of joint body and nut, when this joint body and nut connect, is typically all and withholds bottom nut
Processing so that it is bottom is locked on joint body, but the fittings body center of circle is easily deviateed in the nut buckle splenium position so processed,
In the case of high pressure, there will be permeability, can cause hydraulic test can not normal operation, serious more can occur safety problem,
Therefore, this hydraulic tube piece joint needs often to change.At present, it is thus proposed that a kind of joint wearing steel wire, this joint is
One annulus is set between joint body and nut, nut is provided with the steel wire being connected with annulus and inserts hole,
Realizing the compact siro spinning technology of joint body and nut by steel wire is pressed into this annulus, this kind wears the joint practicality of steel wire can
Lean on, the generation of permeability phenomenon can be prevented, but the processing technique of this joint is more complicated at present, by the annular of steel wire press-in connector
Duct is cumbersome and time consuming, therefore, to be how urgently to be resolved hurrily asking by the annulus of steel wire quick and precisely press-in connector
Topic.
In order to solve the problems referred to above, the patent of China's Publication No. CN204566029U discloses a kind of steel wire press-in dress
Putting, this device includes support, bed die, injector, injector elevating mechanism, and bed die is arranged on the bottom of support, and this bed die is pacified
Splice combinations body equipped with steel wire to be pressed into;Injector is positioned at the top of splice combinations body, the bottom of this injector and joint group
It is corresponding that steel wire on fit nut inserts hole site, and the top of injector is connected with injector elevating mechanism by adapter;
Injector includes that thimble, syringe, piston rod, thimble, piston rod are sequentially located in syringe, and the bottom of syringe is stretched out in the bottom of thimble
Connecting one end of steel wire, the other end of steel wire inserts the steel wire of nut and inserts hole, and the top of thimble is connected with the bottom of piston rod,
The top of piston rod is stretched out syringe and is connected with adapter.This device can by the annulus of steel wire quick and precisely press-in connector,
Easy and simple to handle reliably, production efficiency is high, simple in construction, low cost.
But steel wire is after steel wire inserts hole insertion, owing to steel wire creates elastic deformation, therefore in steel wire self internal stress
Effect under, steel wire end can insert hole from steel wire and stretch out, thus affects joint body and nut and connect;In order to prevent steel wire end
End can insert hole from steel wire and stretch out, it is necessary to steel wire inserts hole sealing;The method that steel wire inserts hole sealing employing now is,
One a pair steel wire inserts hole and carries out spot welding, and efficiency is extremely inefficient.Additionally injector elevating mechanism is by manual drive, reduces further
Efficiency.
Summary of the invention
It is an object of the invention to provide a kind of high efficiency steel wire press-in device, to improve the life of above-mentioned hydraulic tube piece joint
Produce efficiency.
For reaching above-mentioned purpose, the base case of the present invention is as follows:
High efficiency steel wire press-in device includes injector and top-pressure mechanism;Also include by the nonmetal support made with by metal system
The bed die become, described bed die is fixed on frame bottom, and bed die is provided with fixed mechanism, and described injector is positioned on bed die
Side;Described injector includes syringe and the thimble being each made of a metal, described thimble and syringe endoporus matched in clearance, and thimble can
Sliding in syringe, the lower end of thimble is inlaid with a ceramic ring, the spacing of ceramic ring lower surface and thimble lower surface be 3~
Through less than steel wire external diameter in 10mm, and ceramic ring;Described top-pressure mechanism is cylinder, the piston rod of cylinder and the upper termination of thimble
Touch.
The work process of this programme high efficiency steel wire press-in device is:
Inserting wlding and steel wire bottom syringe, splice combinations body, between thimble and steel wire, is placed on bed die by wlding, and
Steel wire lower end is inserted steel wire and is inserted in hole, is then fixed by splice combinations body with fixed mechanism;By an interface of arc welder with
Syringe connects, and another interface is connected with bed die;Start cylinder, then by top downwards, bear down on one the piston rod of cylinder pin, and passes through thimble
Transfer the pressure to steel wire so that thimble slides in syringe, and steel wire is pressed into annulus.When steel wire is pressed completely into
After annulus, and behind wlding entrance steel wire insertion hole, start arc welder, owing to support is made up of nonmetal, be therefore pressed into
Device and bed die will not form short circuit;But owing to ceramic ring lower surface is the least with the spacing of thimble lower surface, and ceramic ring hollow, because of
This can form electric arc between thimble and wlding, and wlding fusing is formed molten bath;After wlding melts, close arc welding at once
Machine, then molten bath has solidified the sealing that steel wire inserts hole.
This programme produces and provides the benefit that:
By this programme, steel wire, after being pressed into annulus, carries out solder up with steel wire being inserted hole, thus avoids
Insert duct at the steel wire to each splice combinations body one by one to seal, the most just simplified technique, promoted joint
The raising of assembly production efficiency;Have employed cylinder additionally, due to top-pressure mechanism, thus avoid too much manual operation, enter one
Step improves production efficiency.
Preferred version one: as the further optimization to base case, described bed die has polygon die cavity, described
Fixed mechanism includes fastening bolt, and the screw rod end of fastening bolt runs through bed die sidewall and inserts polygon die cavity.Owing to nut is many
For polygonized structure, especially with hex nut at most, therefore shape changeable die cavity is set on bed die, is conducive to fixing nut;And consolidate
Determine mechanism and use fastening bolt, be not only simple in structure, and fixed effect might as well.
Preferred version two: as the further optimization to base case, described thimble diameter inserts bore dia big 2 than steel wire
~4mm, then thimble will not insert steel wire and inserts in the hole, thus is conducive to that wlding is positioned at steel wire and inserts at hole.
Preferred version three: as the further optimization to preferred version two, described ceramic ring endoporus is that lower end is more than upper end
Bellmouth, in order to wlding position.
Preferred version four: as the further optimization to base case, described its upper end is provided with return spring, and return
Lower spring end top is pressed on syringe inwall, and return spring top is pressed in thimble upper end, and described syringe lower end sidewall offers steel wire
Entrance.After arranging return spring, when, after the pressure that cylinder sheds thimble, thimble will be returned to its upper end;When by syringe with connect
Behind head assembly location, load steel wire and wlding from the steel wire inlet of syringe lower end sidewall, then steel wire and wlding will be placed exactly in
Between thimble and splice combinations body;This optimization can make the load mode of steel wire and wlding simpler.
Preferred version five: as the further optimization to preferred version three, described syringe is provided with electric connection, in electric connection
Being provided with the electric-controlled switch being connected with controller, described thimble upper end is provided with the pressure transducer being connected with controller.When thimble top
When being pressed onto splice combinations surface, thimble will be unable to move down continuing, and therefore the value of pressure transducer will increase;When this value exceedes
When setting number, controller will make electric-controlled switch connect, then produce electric arc between thimble and wlding, make wlding melt;When automatically controlled
Switch connection 2~after 3 seconds, control electric-controlled switch is automatically switched off by controller;The automatic sealing realizing steel wire inserts hole with this.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is part A enlarged drawing in Fig. 1.
Detailed description of the invention
Below by detailed description of the invention, the present invention is further detailed explanation:
Reference in Figure of description includes: support 1, cylinder 2, syringe 31, thimble 32, return spring 33, steel wire inlet
34, electric connection 35, pressure transducer 36, ceramic ring 37, bed die 4, splice combinations body 5, polygon die cavity 41, fastening bolt 42,
Wlding 51, steel wire 52.
Embodiment is the most as shown in Figure 1 and Figure 2:
High efficiency steel wire 52 press-in device of the present embodiment includes support 1, bed die 4, injector, top-pressure mechanism and controller;Its
Medium-height trestle 1 is made up of pottery, and bed die 4 is formed by steel forging;Bed die 4 is bolted on bottom support 1, and injector is positioned at
Above bed die 4;Injector includes syringe 31 and thimble 32, and wherein syringe 31 is made of cast iron, and thimble 32 is made up of carbon steel;Connect
Head assembly 5 is arranged between bed die 4 and injector.
Syringe 31 center is provided with shoulder hole, and wherein shoulder hole lower end is small end, and shoulder hole upper end is big end;Thimble 32 inserts
Shoulder hole small end, and thimble 32 is matched in clearance with shoulder hole lower end so that thimble 32 can slide in shoulder hole;Shoulder hole is big
It is provided with return spring 33 in end, and thimble 32 upper end is provided with screw thread, and be provided with stop nut, return spring 33 in thimble 32 upper end
Top is pressed on stop nut.;The lower end of thimble 32 is inlaid with a ceramic ring 37, ceramic ring 37 lower surface and thimble 32 lower surface
Spacing is 9mm, and through less than steel wire 52 external diameter in ceramic ring 37, the external diameter of ceramic ring 37 is identical with thimble 32 external diameter;Described top
Press mechanism is cylinder 2, and cylinder 2 is arranged on support 1, and the upper-end contact of the piston rod of cylinder 2 and thimble 32.
Having polygon die cavity 41 on bed die 4, fixed mechanism includes fastening bolt 42, and the screw rod end of fastening bolt 42 runs through
Bed die 4 sidewall also inserts polygon die cavity 41;Splice combinations body 5 is placed in polygon die cavity 41, and the spiral shell on splice combinations body 5
Female face laminating corresponding with polytropy nut, fastening bolt 42 pushes up the one side being pressed in nut, it is achieved butt joint assembly 5 tight
Gu.Offer steel wire inlet 34, steel wire 52 and wlding 51 on the sidewall of syringe 31 lower end and be sequentially placed into syringe 31 from steel wire inlet 34
In, the wlding 51 that the present embodiment uses is solder.
Described thimble 32 diameter inserts the big 2mm of bore dia than steel wire 52, then thimble 32 will not insert steel wire 52 and inserts in the hole,
When steel wire 52 is in shoulder hole simultaneously, steel wire 52 is the most not too large with the gap of ladder hole wall, can prevent steel wire 52 from deforming;Pottery
Ring 37 endoporus is the bellmouth that lower end is more than upper end, in order to position wlding 51, when thimble is pressed for 32 times by cylinder 2 piston rod
Time, the upper end of wlding 51 enters in the endoporus of ceramic ring 37, make wlding 51 can uniform force, and when ceramic ring 37 compress weldering
During material 51, the gap between wlding 51 and thimble 32 is only 4mm.
Additionally syringe 31 is provided with electric connection 35, is provided with the electric-controlled switch being connected with controller, thimble 32 in electric connection 35
Upper end is provided with the pressure transducer 36 being connected with controller;When thimble 32 top is pressed onto splice combinations body 5 surface, thimble 32 is by nothing
Method moves down continuing, and therefore the value of pressure transducer 36 will increase;When this value exceedes setting number, controller will make automatically controlled opening
Close and connect, then produce electric arc between thimble 32 and wlding 51, make wlding 51 melt;After electric-controlled switch is connected 2~3 seconds, control
Control electric-controlled switch is automatically switched off by device.
The specific works process of the present embodiment high efficiency steel wire 52 press-in device is:
Splice combinations body 5 is placed on bed die 4, and it is positioned with thimble 32, be then fixed on bed die 4;By electric arc
One interface of welding machine is connected with electric connection 35, and another interface is connected with bed die 4, and steel wire 52 and wlding 51 is entered from steel wire successively
Mouth 34 is put into;Start cylinder 2, then by top downwards, bear down on one piston rod pin 32, and transfers the pressure to steel wire 52 by thimble 32, makes
Obtain thimble 32 to slide in syringe 31, and steel wire 52 is pressed into annulus.When thimble 32 does not continues to mobile, thimble 32
And forming electric arc between wlding 51, and wlding 51 melts electric arc disappearance, then molten bath solidification behind formation molten bath, and 3 seconds, it is right to complete
Steel wire 52 inserts the sealing in hole.
Above-described is only embodiments of the invention, and in scheme, the known general knowledge such as concrete structure and characteristic is not made at this
Too much describe.It should be pointed out that, for a person skilled in the art, on the premise of without departing from present configuration, it is also possible to
Making some deformation and improvement, these also should be considered as protection scope of the present invention, and these are all without affecting what the present invention implemented
Effect and practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, in description
Detailed description of the invention etc. record the content that may be used for explaining claim.
Claims (6)
1. a high efficiency steel wire press-in device, including injector and top-pressure mechanism;It is characterized in that, also include by nonmetal system
The support become and the bed die being made of metal, described bed die is fixed on frame bottom, and bed die is provided with fixed mechanism, described
Injector is positioned at above bed die;Described injector includes syringe and the thimble being each made of a metal, described thimble and syringe endoporus
Matched in clearance, and thimble can slide in syringe, the lower end of thimble is inlaid with a ceramic ring, ceramic ring lower surface and thimble lower end
The spacing in face is 3~10mm, and through less than steel wire external diameter in ceramic ring;Described top-pressure mechanism is cylinder, the piston rod of cylinder with
The upper-end contact of thimble.
High efficiency steel wire press-in device the most according to claim 1, it is characterised in that have polygon on described bed die
Die cavity, described fixed mechanism includes fastening bolt, and the screw rod end of fastening bolt runs through bed die sidewall and inserts polygon die cavity.
High efficiency steel wire press-in device the most according to claim 1, it is characterised in that described thimble diameter inserts than steel wire
Bore dia big 2~4mm.
High efficiency steel wire press-in device the most according to claim 1, it is characterised in that described ceramic ring endoporus is that lower end is big
Bellmouth in upper end.
High efficiency steel wire press-in device the most according to claim 1, it is characterised in that described its upper end is provided with return bullet
Spring, and return spring lower end top be pressed on syringe inwall, return spring top is pressed in thimble upper end, and described syringe lower end sidewall is opened
It is provided with steel wire inlet.
High efficiency steel wire press-in device the most according to claim 3, it is characterised in that also include controller, described syringe
Being provided with electric connection, be provided with the electric-controlled switch being connected with controller in electric connection, described thimble upper end is provided with and is connected with controller
Pressure transducer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610502209.7A CN106078604A (en) | 2016-06-30 | 2016-06-30 | High efficiency steel wire press-in device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610502209.7A CN106078604A (en) | 2016-06-30 | 2016-06-30 | High efficiency steel wire press-in device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106078604A true CN106078604A (en) | 2016-11-09 |
Family
ID=57214089
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610502209.7A Pending CN106078604A (en) | 2016-06-30 | 2016-06-30 | High efficiency steel wire press-in device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106078604A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108637966A (en) * | 2018-06-28 | 2018-10-12 | 中国船舶重工集团公司第七〇四研究所 | Oil pipe supports installation tool |
CN110181255A (en) * | 2019-05-31 | 2019-08-30 | 卡尔威机械(宁波)有限公司 | A kind of rotary joint process equipment |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007239857A (en) * | 2006-03-08 | 2007-09-20 | Ntn Corp | Hydraulic automatic tensioner |
CN204566029U (en) * | 2015-04-01 | 2015-08-19 | 柳州市震捷液压塑胶机械有限公司 | Steel wire press-in device |
CN205218469U (en) * | 2015-11-10 | 2016-05-11 | 广州嘉诺工业技术有限公司 | Hydraulic nut threading equipment |
CN205835187U (en) * | 2016-06-30 | 2016-12-28 | 重庆浩立塑胶有限公司 | High efficiency steel wire press-in device |
-
2016
- 2016-06-30 CN CN201610502209.7A patent/CN106078604A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007239857A (en) * | 2006-03-08 | 2007-09-20 | Ntn Corp | Hydraulic automatic tensioner |
CN204566029U (en) * | 2015-04-01 | 2015-08-19 | 柳州市震捷液压塑胶机械有限公司 | Steel wire press-in device |
CN205218469U (en) * | 2015-11-10 | 2016-05-11 | 广州嘉诺工业技术有限公司 | Hydraulic nut threading equipment |
CN205835187U (en) * | 2016-06-30 | 2016-12-28 | 重庆浩立塑胶有限公司 | High efficiency steel wire press-in device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108637966A (en) * | 2018-06-28 | 2018-10-12 | 中国船舶重工集团公司第七〇四研究所 | Oil pipe supports installation tool |
CN110181255A (en) * | 2019-05-31 | 2019-08-30 | 卡尔威机械(宁波)有限公司 | A kind of rotary joint process equipment |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102806453B (en) | A kind of locker clamping instrument | |
CN106078604A (en) | High efficiency steel wire press-in device | |
CN203541953U (en) | Clamp for welding multi-segment thin-walled parts | |
CN205835187U (en) | High efficiency steel wire press-in device | |
CN110271027A (en) | Stator rises claw manipulator | |
CN207195908U (en) | A kind of crimping device for pipeline buckle press joint | |
CN114055397B (en) | Automatic riveting machine for water pipe and control method thereof | |
CN204081275U (en) | Spring compresses formula bar connecting assembly | |
CN103084827B (en) | Spring press fitting device of adjusting block | |
CN205845597U (en) | Electric wire strand system is with pressing mould | |
CN204526237U (en) | Open side type end upsetting hydraulic press | |
CN203610938U (en) | Connecting tube multi-dimensional pressure point mechanism | |
CN211757763U (en) | Inner hole shaping press | |
CN207120171U (en) | A kind of terminal crimping unit | |
CN107932423A (en) | A kind of press-loading apparatus of armature and bearing | |
CN204381270U (en) | A kind of shaping anvil block structure for numerical control open die forging base | |
CN202278103U (en) | Guide structure for fine-blanking die sets | |
CN206678785U (en) | A kind of centre carries the tricycle rear axle attachment means of differential mechanism | |
CN205304538U (en) | Embedded alinco assembled frock of large -scale no ventiduct motor core | |
CN106312906B (en) | A kind of combined type steel wire press-in device | |
CN106312907B (en) | A kind of steel wire press-in device | |
CN112276528A (en) | Automatic assembling method for sheath hose | |
CN204276639U (en) | Forging deep hole drift | |
CN215431206U (en) | Pipe end finishing machine capable of realizing pipe end closing | |
CN204892944U (en) | Compacting tool set of bonding neodymium iron boron magnetism body |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
AD01 | Patent right deemed abandoned | ||
AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20240816 |