CN109605698A - A kind of production technology of VCM motor parts carrier - Google Patents
A kind of production technology of VCM motor parts carrier Download PDFInfo
- Publication number
- CN109605698A CN109605698A CN201811524470.2A CN201811524470A CN109605698A CN 109605698 A CN109605698 A CN 109605698A CN 201811524470 A CN201811524470 A CN 201811524470A CN 109605698 A CN109605698 A CN 109605698A
- Authority
- CN
- China
- Prior art keywords
- carrier
- motor
- temperature
- mold
- production technology
- 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
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
- B29C45/76—Measuring, controlling or regulating
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76498—Pressure
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76655—Location of control
- B29C2945/76658—Injection unit
- B29C2945/76668—Injection unit barrel
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76655—Location of control
- B29C2945/76658—Injection unit
- B29C2945/76688—Injection unit nozzle
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76655—Location of control
- B29C2945/76732—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
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3406—Components, e.g. resistors
Abstract
The present invention provides a kind of production technology of VCM motor parts carrier, and in particular to motor technologies field uses screw form for the injection molding machine of mutation formula, and revolving speed is 20 to 50r/min；Temperature is 300 to 310 DEG C；Barrel temperature: front is 260 to 290 DEG C, and middle part is 280 to 290 DEG C, and rear portion is 260 to 280 DEG C；Mold temperature is 90 DEG C；Injection pressure is 70 to 110MPa；Dwell pressure is 300 to 600MPa；Total period is 10 to 20 seconds, and wherein injection time is 1 to 3S；Dwell time is 1 to 5 second；Cooling time is 5 to 10 seconds；Drying equipment is hot air type；Drying temperature is 120 to 140 DEG C, and the time is 4 to 6h.The present invention can produce the motor carrier of high-precision thread.
Description
Technical field
The invention belongs to motor technologies fields, and in particular to a kind of production technology of VCM motor parts carrier.
Background technique
VCM motor, that is, voice coil motor (Voice Coil Motor), is a kind of device for converting electrical energy into mechanical energy, and
Realize the movement of linear type and limited pivot angle.Utilize magnetic in the magnetic field in magnetic field and the generation of hot-wire coil conductor from permanent-magnet steel
The interaction of interpolar generates the device of regular movement
Currently, voice coil motor mainly includes that shell, pedestal, elastic slice, carrier and the coil on carrier are constituted.Carrier is used
In carrying camera lens, coil is wrapped on carrier, so that after being passed through electric energy in coil both under the action of magnetite group magnetic field force
Along the outer shell axial simultaneously it can generate the auto-focusing for being displaced and then realizing camera；But existing motor carrier thread essence
It spends lower, greatly reduces the precision of motor operation；
In view of the above deficiencies, it the object of the present invention is to provide a kind of production technology of VCM motor parts carrier, can produce
The motor carrier of high-precision thread, to improve the precision of motor operation.
Summary of the invention
The object of the present invention is to provide a kind of production technologies of VCM motor parts carrier, can produce high-precision thread
Motor carrier, to improve the precision of motor operation.
The present invention provides the following technical solutions:
A kind of production technology of VCM motor parts carrier, steps are as follows, first carries out the assessment of motor carrier, carries out DFM report
By rear, mold drawing is then drawn, carries out the vertical production of group of mold, then mold and injection molding machine are cooperated, carries out die trial injection molding
Motor part carrier is simultaneously dried, and motor part carrier is finally carried out the confirmation of IPQC quality；
Wherein, use screw form for the injection molding machine of mutation formula, revolving speed is 20 to 50r/min；Nozzle temperature be 300 to
310℃；
Barrel temperature: front is 260 to 290 DEG C, and middle part is 280 to 290 DEG C, and rear portion is 260 to 280 DEG C；
Mold temperature is 90 DEG C；Injection pressure is 70 to 110MPa；Dwell pressure is 300 to 600MPa；Total period is 10
To 20 seconds, wherein injection time was 1 to 3S；Dwell time is 1 to 5 second；Cooling time is 5 to 10 seconds；Wherein, drying temperature is
120 to 140 DEG C, the time is 4 to 6h.
Preferably, injection molding die trial processing uses precision plunger screw rod horizontal injection press, and form of nozzle is self-locking；It is dry
Equipment is hot air type.
Preferably, mold use high hardness alloy steel, and equipments machining die precision be less than or equal to 0.001, and
Equipments machining die and injection molding machine need to configure in the environment of constant temperature and humidity.
Preferably, IPQC quality verification step is as follows:
S1, torsiometer is got out, checks whether torsiometer situation has damage deformation；S2, correlative measurement is got out
Try motor carrier；S3, adjustment torsion measure dial, first upper and lower dial are zeroed, while by mobile logo pointer
It is zeroed as right figure operates；S4, after adjusting torquemeter, the motor carrier of test is put into test fixture slot；S5,
Motor carrier is put into test trough, after pressure head above is depressed, is first carried out after rotating clockwise 360 degree, then see and see movement again
Dial needle formulates the scale numerical value become on disk, and records numerical value, and criterion is that torsion is greater than 35N or more, (measurement into
Row clockwise, and is tested, and carry out counterclockwise).
Beneficial effects of the present invention:
It is a kind of more demanding structure component in VCM motor accessory, the thread precision of this product reaches 0.001mm, is
The difficult point that current more producer can not capture, this technique can have by configuring the every temperature of injection molding, injection pressure and drying time
Effect improves the machining accuracy of injection molding, and motor carrier thread precision reaches 0.001mm.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is process flow chart of the invention.
Specific embodiment
Embodiment 1:
As shown in Figure 1, a kind of production technology of VCM motor parts carrier, steps are as follows, first carries out the assessment of motor carrier,
Then draw mold drawing, carry out the vertical production of group of mold, then mold and injection molding machine are cooperated after DFM report passes through, into
Row die trial injection molding motor parts carrier is simultaneously dried；
Wherein, use screw form for the injection molding machine of mutation formula, revolving speed 20r/min；Form of nozzle is self-locking, temperature
Degree is 300 DEG C；Barrel temperature: front is 260 DEG C, and middle part is 280 DEG C, and rear portion is 260 DEG C；Mold temperature is 90 DEG C；Injection pressure
Power is 70MPa；Dwell pressure is 300MPa；Total period is 10 seconds, and wherein injection time is 1S；Dwell time is 1 second；When cooling
Between be 5 seconds；Drying equipment is hot air type, and drying temperature is 120 DEG C, time 4h；
For guarantee thread machining accuracy, mold use high hardness alloy punching block, and equipments machining die precision be less than
Or it is equal to 0.001, and equipments machining die and injection molding machine need to configure in the environment of constant temperature and humidity, to reduce external environment to life
The influence of production；
Motor part carrier is finally subjected to the confirmation of IPQC quality, it is as follows: S1, to get out torsiometer, check torsiometer shape
Whether condition has damage deformation；S2, dependence test motor carrier is got out；S3, adjustment torsion measure dial, first will
Upper and lower dial is zeroed, while mobile logo pointer being also zeroed as right figure operates；S4, torquemeter is adjusted
Afterwards, the motor carrier of test is put into test fixture slot；S5, motor carrier are put into test trough, and pressure head above is depressed
Afterwards, it first carries out after rotating clockwise 360 degree, then sees and see that shift scale index formulates the scale numerical value become on disk again, and record
Numerical value, criterion are that torsion is greater than 35N or more, (measurement carries out clockwise, and is tested counterclockwise, and carry out).
Embodiment 2:
A kind of production technology of VCM motor parts carrier, steps are as follows, first carries out the assessment of motor carrier, carries out DFM report
By rear, mold drawing is then drawn, carries out the vertical production of group of mold, then mold and injection molding machine are cooperated, carries out die trial injection molding
Motor part carrier is simultaneously dried；
Wherein, use screw form for the injection molding machine of mutation formula, revolving speed 50r/min；Form of nozzle is self-locking, temperature
Degree is 310 DEG C；Barrel temperature: front is 290 DEG C, and middle part is 290 DEG C, and rear portion is 280 DEG C；Mold temperature is 90 DEG C；Injection pressure
Power is 110MPa；Dwell pressure is 600MPa；Total period is 20 seconds, wherein injection time 3S；Dwell time is 5 seconds；When cooling
Between be 10 seconds；Drying equipment is hot air type, and drying temperature is 140 DEG C, time 6h；For the machining accuracy for guaranteeing thread, mold
Using high hardness alloy punching block, and equipments machining die precision is and equipments machining die and injection molding machine less than or equal to 0.001
It need to configure in the environment of constant temperature and humidity, to reduce influence of the external environment to production；
Motor part carrier is finally subjected to the confirmation of IPQC quality, it is as follows: S1, to get out torsiometer, check torsiometer shape
Whether condition has damage deformation；S2, dependence test motor carrier is got out；S3, adjustment torsion measure dial, first will
Upper and lower dial is zeroed, while mobile logo pointer being also zeroed as right figure operates；S4, torquemeter is adjusted
Afterwards, the motor carrier of test is put into test fixture slot；S5, motor carrier are put into test trough, and pressure head above is depressed
Afterwards, it first carries out after rotating clockwise 360 degree, then sees and see that shift scale index formulates the scale numerical value become on disk again, and record
Numerical value, criterion are that torsion is greater than 35N or more, (measurement carries out clockwise, and is tested counterclockwise, and carry out).
Due to being a kind of more demanding structure component in VCM motor accessory, the thread precision of this product reaches
0.001mm is the difficult point that current more producer can not capture, this technique is by configuring the every temperature of injection molding, injection pressure and doing
The dry time, the machining accuracy of injection molding can be effectively improved, motor carrier thread precision reaches 0.001mm.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to the foregoing embodiments
Invention is explained in detail, for those skilled in the art, still can be to foregoing embodiments institute
The technical solution of record is modified or equivalent replacement of some of the technical features.It is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of production technology of VCM motor parts carrier, steps are as follows, first carries out the assessment of motor carrier, and it is logical to carry out DFM report
Later, mold drawing is then drawn, the vertical production of group of mold is carried out, then mold and injection molding machine are cooperated, die trial is carried out and is molded horse
It up to parts carrier and is dried, motor part carrier is finally subjected to the confirmation of IPQC quality；
It is characterized by: using screw form for the injection molding machine of mutation formula, revolving speed is 20 to 50r/min；Form of nozzle is certainly
Locking-type, temperature are 300 to 310 DEG C；
Barrel temperature: front is 260 to 290 DEG C, and middle part is 280 to 290 DEG C, and rear portion is 260 to 280 DEG C；
Mold temperature is 90 DEG C；Injection pressure is 70 to 110MPa；Dwell pressure is 300 to 600MPa；Total period is 10 to 20
Second, wherein injection time is 1 to 3S；Dwell time is 1 to 5 second；Cooling time is 5 to 10 seconds；Drying equipment is hot air type；
Wherein, drying temperature is 120 to 140 DEG C, and the time is 4 to 6h.
2. a kind of production technology of VCM motor parts carrier according to claim 1, it is characterised in that: injection molding die trial adds
Work uses precision plunger screw rod horizontal injection press, and form of nozzle is self-locking；Drying equipment is hot air type.
3. a kind of production technology of VCM motor parts carrier according to claim 1, it is characterised in that: mold is using high
Hardness alloy steel, and equipments machining die precision is less than or equal to 0.001, and equipments machining die and injection molding machine need to configure
In the environment of constant temperature and humidity.
4. a kind of production technology of VCM motor parts carrier according to claim 1, it is characterised in that: IPQC quality is true
Recognize that steps are as follows:
S1, torsiometer is got out, checks whether torsiometer situation has damage deformation；S2, dependence test horse is got out
Up to carrier；S3, adjustment torsion measure dial, first upper and lower dial are zeroed, while mobile logo pointer also being carried out
Zero such as right figure operates；S4, after adjusting torquemeter, the motor carrier of test is put into test fixture slot；S5, motor
Carrier is put into test trough, after pressure head above is depressed, is first carried out after rotating clockwise 360 degree, then see and see shift scale again
Index formulates the scale numerical value become on disk, and records numerical value, and criterion is that torsion is greater than 35N or more, and (measurement carries out suitable
Hour hands, and tested counterclockwise, and carry out).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811524470.2A CN109605698A (en) | 2018-12-13 | 2018-12-13 | A kind of production technology of VCM motor parts carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811524470.2A CN109605698A (en) | 2018-12-13 | 2018-12-13 | A kind of production technology of VCM motor parts carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109605698A true CN109605698A (en) | 2019-04-12 |
Family
ID=66008075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811524470.2A Pending CN109605698A (en) | 2018-12-13 | 2018-12-13 | A kind of production technology of VCM motor parts carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109605698A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575554A (en) * | 2012-07-18 | 2014-02-12 | 苏州星诺奇传动科技有限公司 | Mould testing technology of injection mould |
| CN104008248A (en) * | 2014-06-04 | 2014-08-27 | 广西大学 | Gaussian process based injection molding forming process robust design and tolerance design method |
| CN104369329A (en) * | 2014-10-31 | 2015-02-25 | 宁波创基机械有限公司 | Injection molding screw rod and copolymer material molding method of injection molding machine comprising injection molding screw rod |
| CN204451065U (en) * | 2015-02-10 | 2015-07-08 | 北京化工大学 | Hot flow path self-locking spray nozzle |
| US20180029262A1 (en) * | 2014-12-04 | 2018-02-01 | Extrude To Fill, LLC | Nozzle shut off for injection molding system |
| CN208143069U (en) * | 2018-04-20 | 2018-11-23 | 深圳市丘钛微电子科技有限公司 | Voice coil motor |
| CN108943634A (en) * | 2018-06-05 | 2018-12-07 | 宁波大学 | A kind of injection molding forming method of bimodal polyethylene product |
| CN208223694U (en) * | 2018-03-01 | 2018-12-11 | 昆山市磐锐自动化科技有限公司 | A kind of mobile phone camera lock pair torque force testing instrument |
-
2018
- 2018-12-13 CN CN201811524470.2A patent/CN109605698A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575554A (en) * | 2012-07-18 | 2014-02-12 | 苏州星诺奇传动科技有限公司 | Mould testing technology of injection mould |
| CN104008248A (en) * | 2014-06-04 | 2014-08-27 | 广西大学 | Gaussian process based injection molding forming process robust design and tolerance design method |
| CN104369329A (en) * | 2014-10-31 | 2015-02-25 | 宁波创基机械有限公司 | Injection molding screw rod and copolymer material molding method of injection molding machine comprising injection molding screw rod |
| US20180029262A1 (en) * | 2014-12-04 | 2018-02-01 | Extrude To Fill, LLC | Nozzle shut off for injection molding system |
| CN204451065U (en) * | 2015-02-10 | 2015-07-08 | 北京化工大学 | Hot flow path self-locking spray nozzle |
| CN208223694U (en) * | 2018-03-01 | 2018-12-11 | 昆山市磐锐自动化科技有限公司 | A kind of mobile phone camera lock pair torque force testing instrument |
| CN208143069U (en) * | 2018-04-20 | 2018-11-23 | 深圳市丘钛微电子科技有限公司 | Voice coil motor |
| CN108943634A (en) * | 2018-06-05 | 2018-12-07 | 宁波大学 | A kind of injection molding forming method of bimodal polyethylene product |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102243284A (en) | Method for detecting micro-short-circuit of wound type battery | |
| Troitino et al. | Applied metrology in the production of superconducting model magnets for particle accelerators | |
| CN109605698A (en) | A kind of production technology of VCM motor parts carrier | |
| CN105967141A (en) | Micrometering ball preparation and monitoring device | |
| CN103903850A (en) | Anisotropic magnet radial orienting device | |
| CN104655490A (en) | Bending elasticity tester and testing method for palm fibers | |
| CN101468496A (en) | Heating device | |
| CN103713674B (en) | For vibrating, the control method of humiture comprehensive test device | |
| CN108527768B (en) | Display system and display methods | |
| CN104149256A (en) | Manufacturing method of electronic product shell | |
| CN209126055U (en) | Lens mold detection device | |
| CN207313654U (en) | A kind of heattreatment of spring school shape molding machine | |
| CN206270364U (en) | A kind of new force-balanced accelerometer | |
| CN208635717U (en) | A kind of electron beam fuse increasing material manufacturing equipment and shaping surface state monitoring apparatus | |
| CN204405435U (en) | Palm fibre fiber bending elasticity tester | |
| CN205620223U (en) | Universal tester bumper shock absorber | |
| CN208051398U (en) | A kind of fixture of processing mobile phone shell aperture | |
| CN207200524U (en) | Disc type electric machine is misplaced with magnet steel and detection means | |
| CN209208096U (en) | A kind of dedicated efficient five high frequency welding machines of earphone leather sheath | |
| CN208383735U (en) | Multi-purpose type water heater panel moulding detection device | |
| Huang et al. | Study on the properties of DSM SOMOS 11120 type photosensitive resin for stereolithography materials | |
| CN201736059U (en) | Die clamp | |
| CN206387386U (en) | A kind of speculum clamping device | |
| CN112848055B (en) | Bearing wear measuring instrument and manufacturing process thereof | |
| CN204831209U (en) | Detect lithium ion battery aluminum plastic package film aluminium lamination thickness equipment |
Legal Events
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190412 |