CN107825662A - A kind of high-precision mold - Google Patents
A kind of high-precision mold Download PDFInfo
- Publication number
- CN107825662A CN107825662A CN201711287514.XA CN201711287514A CN107825662A CN 107825662 A CN107825662 A CN 107825662A CN 201711287514 A CN201711287514 A CN 201711287514A CN 107825662 A CN107825662 A CN 107825662A
- Authority
- CN
- China
- Prior art keywords
- caster
- plate
- precision mold
- male
- male template
- 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
- 239000004677 Nylon Substances 0.000 claims abstract description 8
- 229920001778 nylon Polymers 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 8
- 208000002925 dental caries Diseases 0.000 claims description 3
- 238000012797 qualification Methods 0.000 abstract description 4
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
- B29C45/2606—Guiding or centering means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/32—Moulds having several axially spaced mould cavities, i.e. for making several separated articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/64—Mould opening, closing or clamping devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
Abstract
The invention provides a kind of high-precision mold, belong to automobile die field, including caster and male template, nylon lockaid gun is provided between male template and caster, the lower end of the male template is connected by support block with bottom plate, return pin vertically is provided between the male template and support block, return spring is coaxially provided with the return pin.Formed precision of the present invention is high, and product qualification rate is high.
Description
Technical field
The invention belongs to automobile die field, more particularly to a kind of high-precision mold.
Background technology
Injection mold is a kind of instrument for producing plasthetics；Also plasthetics complete structure and accurate dimension are to confer to
Instrument, injection mold are made up of dynamic model and cover half two parts, and dynamic model is arranged on the moving die plate of injection (mo(u)lding) machine, cover half installation
On the fixed form of injection (mo(u)lding) machine, in injection moulding, dynamic model and cover half closure form running gate system and die cavity, during die sinking
Dynamic model and cover half are separated to take out plastic products.
With expanding economy, the application of automobile is increasingly popularized, and pursuit of the people to automobile needs except initial performance
Ask, more aesthetic properties for also pursuing automobile, good outward appearance directly affect the sales volume of automobile instantly, so many automobiles is outer
It is most important to cover the quality of part, is much integrally formed using injection machine, needs to ensure the precision of mould during shaping, together
When consider the structure of mould, structure simplifies as far as possible, while precision is high, could so meet die cost try one's best it is low on the premise of make
Produce up-to-standard, the overcoating part of automobile of good appearance, in the diversification process of injection-moulded plastic part, the thin-walled parts shape with projection
Shape is complicated, easily occurs flowing uneven situation in forming process, therefore require higher to mould.
The content of the invention
The problem to be solved in the present invention is to be to provide a kind of a kind of compact-sized, high high-precision mold of positioning precision.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of high-precision mold, including caster and
Male template, is provided with nylon lockaid gun between the male template and the caster, the lower section of the caster is provided with mother module core, institute
The top for stating male template is provided with male die core, and the mother module core and the male die core are correspondingly arranged and form two cavitys and each empty
The shape of chamber and finished product is just as the lower end of the cavity is provided with push rod, and the caster is provided with fore-set, the fore-set and production
The bossing contact of product is set, and symmetrical on the caster to be provided with lead, two leads are set into splayed
Put, guide groove is provided with the male die core, the lead is located in the guide groove and the two is slidably connected.
Further, the lower end of the male template is connected by support block with bottom plate, between the male template and support block
Return pin vertically is provided with, return spring is coaxially provided with the return pin.
Further, the lower end of the male model board be provided with contact set support column, the support column be vertically arranged and
Solid lock is on the bottom plate.
Further, the lower end of the push rod is located on upper plate, and the upper plate solid lock is on lower roof plate, the mould
Pin, upper plate are good, are provided with guide pillar between lower roof plate and bottom plate, are provided between the guide pillar and the upper plate and lower roof plate
Guide pin bushing.
Further, the side of the male template and the caster is provided with lock module connecting the two.
Further, the upper end solid lock of the caster is provided with upper mounted plate, in the caster and fills mouth, the filling
The upper end solid lock of mouth is on upper mounted plate, and solid lock has a locating ring on fixed plate, the lower surface of the locating ring with it is described
The upper surface contact for filling mouth is set.
Further, the cavity is surrounded by cooling line, and the distance of each cooling pipe to finished product is equal.
Further, the angle of the symmetrically arranged lead is 36 degree.
Compared with prior art, the present invention has the advantages and positive effects of：1st, the nylon lockaid gun that the present invention is set
It can have locking effect, overcome frictional force during die sinking, the setting of lead and guide groove, it is ensured that the motion essence during matched moulds
Degree, formed precision is lifted, the setting of push rod, product can be supported, be advantageous to the positioning of product after shaping, while to product
Hold up, lifting die sinking efficiency；2nd, the setting of return pin and return spring ensure that the relative accuracy between male template and support block, have
Beneficial to lifting mould formed precision；3rd, the setting of guide pillars and bushes improves the kinematic accuracy of upper plate and lower roof plate, Jin Erbao
Demonstrate,prove the kinematic accuracy of angle ejector rod and taper pin, be advantageous to the smooth ejection of product, avoid occurring sliding during ejection or
Dislocation has an impact to product parts, reduces product qualification rate；4th, lock module can be lifted in casting process, male template and caster
Between relative positional accuracy, be advantageous to the precision of forming part；5th, cavity is surrounded by cooling line, is advantageous to be molded
In journey, the uniform decrease in temperature of part, be advantageous to the more preferable shaping of product；6th, the angle of symmetrically arranged lead is 36 degree, this
It is smooth that angle can ensure that lead and guide groove slide, and avoids during caster moves downward, and motion is stuck, safe,
Fault rate is low.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation that a kind of high-precision mold of the present invention is faced；
Fig. 2 is a kind of structural representation of high-precision mold left view of the present invention.
1- upper mounted plates；2- casters；3- male templates；4- support blocks；5- upper plates；6- lower roof plates；7- bottom plates；10-
Lock module；11- locating rings；12- fills mouth；14- return pins；15- return springs；16- support columns；17- guide pillars；18- guide pin bushings；19-
Male die core；20- mother module cores；21- cooling lines；22- leads；23- guide grooves；24- push rods；25- nylon lockaid guns；26- is produced
Product.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction or hint phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The specific embodiment of the present invention is elaborated below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the present invention is a kind of high-precision mold, including caster 2 and male template 3, the He of male template 3
Nylon lockaid gun 25 is provided between caster 2, the nylon lockaid gun 25 of setting can have locking effect, and overcome friction during die sinking
Power, the lower section of caster 2 are provided with mother module core 20, and the top of male template 3 is provided with male die core 19, mother module core 20 and the correspondence of male die core 19
Set and form two cavitys and the shape of each cavity and finished product and be provided with push rod 24 just as the lower end of, cavity, caster 2 it is upper
Provided with fore-set, fore-set contacts setting with the bossing of product 26, and symmetrical on caster 2 to be provided with lead 22, two are led
Set to post 22 into splayed, guide groove 23 is provided with male die core 19, lead 22 is located in guide groove 23 and the two company of slip
Connect, the setting of lead 22 and guide groove 23, it is ensured that the kinematic accuracy during matched moulds, lift formed precision, it is preferable that right
The angle of lead 22 set is referred to as 36 degree, and this angle can ensure lead 22 and guide groove 23 slides smooth, avoid master mold
During plate 2 moves downward, motion is stuck, and safe, fault rate is low.
Preferably, the lower end of male template 3 is connected by support block 4 with bottom plate 7, is vertically set between male template 3 and support block 4
There is return pin 14, return spring 15 is coaxially provided with return pin 14, the setting of return pin 14 and return spring 15 ensure that male model
Relative accuracy between plate 3, male model board and support block 4, be advantageous to lift mould formed precision；It is highly preferred that male model board
Lower end is provided with the support column 16 that contact is set, and support column 16 is vertically arranged and solid lock is on bottom plate 7, the setting of support column 16
Further ensure the precision of public backing plate.
Preferably, the lower end of push rod 24 is located on upper plate 5, and the solid lock of upper plate 5 is on lower roof plate 6, support block 4, upper plate 5
Guide pillar 17 is provided between good, lower roof plate 6 and bottom plate 7, guide pin bushing 18 is provided between guide pillar 17 and upper plate 5 and lower roof plate 6, is led
The setting of post 17 and guide pin bushing 18 improves the kinematic accuracy of upper plate 5 and lower roof plate 6, and then ensures the fortune of angle ejector rod 24 and taper pin
Dynamic precision, is advantageous to the smooth ejection of product 26, avoids occurring sliding during ejection or misplacing to the part of product 26
Have an impact, reduce the qualification rate of product 26.
Preferably, the side of male template 3 and caster 2 is provided with lock module 8 connecting the two, is lifted in casting process, public
Relative positional accuracy between template 3 and caster 2, be advantageous to the precision of forming part.
Preferably, the upper end solid lock of caster 2 is provided with upper mounted plate 1, in caster 2 and fills mouth 12, fills the upper of mouth 12
Solid lock is held on upper mounted plate 1, solid lock has locating ring 11, the lower surface of locating ring 11 and the upper end for filling mouth 12 on upper mounted plate 1
Face contact is set, and locating ring 11 is provided with beneficial to being accurately positioned for mouth 12 is filled, and precision is poured in lifting.
Preferably, cavity is surrounded by cooling line 21, and the distance of each cooling pipe to finished product is equal, is advantageous into
During type, the uniform decrease in temperature of part, be advantageous to the more preferable shaping of product 26, effectively avoid stress concentration.
During the use of reality, caster 2 is arranged on by upper mounted plate 1 on the moving member of injection moulding machine, public
Template 3 is arranged on the fixture of injection moulding machine by support block 4 and bottom plate 7, and male die core 19 is formed with mother module core 20 and noted
Cavity is moulded, liquid is poured into a mould by filling mouth 12 into cavity, and after casting complete, caster 2 moves up, and then lower roof plate 67 drives
Upper plate 56 moves upwards, and then drives push rod 24 to move upwards, realizes the jack-up to molded workpiece in cavity, realizes workpiece
The smooth demoulding, in whole process, the setting of return pin 14 and guide pillar 17 ensure that kinematic accuracy, while the nylon set is unlocked
Device 25 can have locking effect, and overcome frictional force during die sinking, and total is simple, compact, it is ensured that the essence of thin-walled arc part
It is determined that position and shaping, the qualification rate of product 26 is high.
One embodiment of the present of invention is described in detail above, but the content is only the preferable implementation of the present invention
Example, it is impossible to be considered as the practical range for limiting the present invention.All equivalent changes made according to the present patent application scope and improvement
Deng, all should still belong to the present invention patent covering scope within.
Claims (8)
- A kind of 1. high-precision mold, it is characterised in that：Including caster and male template, between the male template and the caster Provided with nylon lockaid gun, the lower section of the caster is provided with mother module core, and the top of the male template is provided with male die core, the master mold Male die core described in Renhe is correspondingly arranged and forms two cavitys and the shape of each cavity and finished product is just as the lower end of the cavity Provided with push rod, the caster is provided with fore-set, and the fore-set contacts setting with the bossing of product, on the caster Symmetrical to be provided with lead, two leads are set into splayed, and guide groove, the guiding are provided with the male die core Post is located in the guide groove and the two is slidably connected.
- A kind of 2. high-precision mold according to claim 1, it is characterised in that：The lower end of the male template by support block with Bottom plate connects, and is vertically provided with return pin between the male template and support block, return spring is coaxially provided with the return pin.
- A kind of 3. high-precision mold according to claim 2, it is characterised in that：The lower end of the male model board is provided with contact The support column of setting, the support column is vertically arranged and solid lock is on the bottom plate.
- A kind of 4. high-precision mold according to claim 2, it is characterised in that：The lower end of the push rod is located at upper plate On, for the upper plate solid lock on lower roof plate, the support block, upper plate are good, are provided with guide pillar, institute between lower roof plate and bottom plate State and guide pin bushing is provided between guide pillar and the upper plate and lower roof plate.
- A kind of 5. high-precision mold according to claim 1, it is characterised in that：The side of the male template and the caster Face is provided with lock module connecting the two.
- A kind of 6. high-precision mold according to claim 1, it is characterised in that：The upper end solid lock of the caster is upper solid It is provided with fixed board, in the caster and fills mouth, the upper end solid lock for filling mouth is on upper mounted plate, solid lock on fixed plate There is locating ring, the lower surface of the locating ring contacts setting with the upper surface of the filling mouth.
- A kind of 7. high-precision mold according to claim 1, it is characterised in that：The cavity is surrounded by cooling tube Road, the distance of each cooling pipe to finished product are equal.
- A kind of 8. high-precision mold according to claim 1, it is characterised in that：The angle of the symmetrically arranged lead For 36 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711287514.XA CN107825662A (en) | 2017-12-07 | 2017-12-07 | A kind of high-precision mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711287514.XA CN107825662A (en) | 2017-12-07 | 2017-12-07 | A kind of high-precision mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107825662A true CN107825662A (en) | 2018-03-23 |
Family
ID=61642401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711287514.XA Pending CN107825662A (en) | 2017-12-07 | 2017-12-07 | A kind of high-precision mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107825662A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201824522U (en) * | 2010-11-02 | 2011-05-11 | 昆山乙盛机械工业有限公司 | Inner cutting die of thimble die of male die |
| CN103158235A (en) * | 2011-12-13 | 2013-06-19 | 汉达精密电子(昆山)有限公司 | Female mold ejection mechanism |
| CN204109277U (en) * | 2014-09-23 | 2015-01-21 | 南京科晖印刷科技有限公司 | A kind of injection mold of household electrical appliances functions panel |
| CN104875332A (en) * | 2014-02-28 | 2015-09-02 | 汉达精密电子(昆山)有限公司 | Mold ejection structure |
| CN205033482U (en) * | 2015-08-13 | 2016-02-17 | 昆山茂丰电气有限公司 | Electron connects injection mold |
| CN105773914A (en) * | 2014-12-19 | 2016-07-20 | 汉达精密电子(昆山)有限公司 | Forced return structure for die |
| CN106113388A (en) * | 2016-08-23 | 2016-11-16 | 苏州飞拓精密模具有限公司 | A kind of high-strength carbon fiber top cover die |
-
2017
- 2017-12-07 CN CN201711287514.XA patent/CN107825662A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201824522U (en) * | 2010-11-02 | 2011-05-11 | 昆山乙盛机械工业有限公司 | Inner cutting die of thimble die of male die |
| CN103158235A (en) * | 2011-12-13 | 2013-06-19 | 汉达精密电子(昆山)有限公司 | Female mold ejection mechanism |
| CN104875332A (en) * | 2014-02-28 | 2015-09-02 | 汉达精密电子(昆山)有限公司 | Mold ejection structure |
| CN204109277U (en) * | 2014-09-23 | 2015-01-21 | 南京科晖印刷科技有限公司 | A kind of injection mold of household electrical appliances functions panel |
| CN105773914A (en) * | 2014-12-19 | 2016-07-20 | 汉达精密电子(昆山)有限公司 | Forced return structure for die |
| CN205033482U (en) * | 2015-08-13 | 2016-02-17 | 昆山茂丰电气有限公司 | Electron connects injection mold |
| CN106113388A (en) * | 2016-08-23 | 2016-11-16 | 苏州飞拓精密模具有限公司 | A kind of high-strength carbon fiber top cover die |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180323 |