CN109604542A - A kind of abnormity aluminium ingot screening system and method - Google Patents
A kind of abnormity aluminium ingot screening system and method Download PDFInfo
- Publication number
- CN109604542A CN109604542A CN201910099294.0A CN201910099294A CN109604542A CN 109604542 A CN109604542 A CN 109604542A CN 201910099294 A CN201910099294 A CN 201910099294A CN 109604542 A CN109604542 A CN 109604542A
- Authority
- CN
- China
- Prior art keywords
- aluminium ingot
- transport platform
- conveyor chain
- screening system
- conveying mechanism
- 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
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 73
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 239000004411 aluminium Substances 0.000 title claims abstract description 71
- 238000012216 screening Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title abstract description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 230000003028 elevating effect Effects 0.000 claims description 31
- 238000012360 testing method Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000010606 normalization Methods 0.000 abstract description 2
- 238000005266 casting Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D7/00—Casting ingots, e.g. from ferrous metals
- B22D7/12—Appurtenances, e.g. for sintering, for preventing splashing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/04—Handling or stripping castings or ingots
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D7/00—Casting ingots, e.g. from ferrous metals
- B22D7/005—Casting ingots, e.g. from ferrous metals from non-ferrous metals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Conveyors (AREA)
Abstract
The invention discloses a kind of special-shaped aluminium ingot screening system and methods, it include: to carry transport platform, be separately positioned on carrying transport platform two sides and protrude from the conveyor chain for carrying transport platform end face and for driving conveyor chain along the drive sprocket of carrying transport platform length direction cycle rotation, lifting conveying mechanism is provided in the carrying transport platform, the matched side in carrying transport platform is provided with export agency, and the lifting conveying mechanism is discharged for special-shaped aluminium ingot to be lifted off conveyor chain upwards and be led to move on export agency;Light curtain sensor is provided in the front carrying transport platform of the lifting conveying mechanism, the light curtain sensor is used to detect the height value for the aluminium ingot to be screened being placed on conveyor chain, so non-compliant special-shaped aluminium ingot will be arrived by system detection, aluminium ingot is screened by lifting conveying mechanism, it avoids standard aluminium ingot and special-shaped aluminium ingot mixed in together, improves the standardization and normalization of aluminium ingot outbound.
Description
Technical field
The present invention relates to a kind of special-shaped aluminium ingot screening system and methods, belong to aluminium electroloysis foundry automation Foundry Production
Technical field.
Background technique
On aluminum ingot casting production line, the outer dimension and mass parameter of aluminium ingot are mainly determined by casting mould.Aluminium
Although the shape of ingot, size and quality have certain allowable error in casting technique, during actual casting still
This non-compliant aluminium ingot is referred to as special-shaped aluminium ingot by the case where not meeting specification there are the aluminium ingot of casting.Special-shaped aluminium ingot
It is directly taken robot palletizer by transmission chain to carry out stacking, tie up, be put in storage, outbound, it will there are the following problems: 1,
Special-shaped aluminium ingot does not meet the specifications of quality of standard aluminium ingot, reduces the final product quality of aluminium ingot.2, the aluminium content of special-shaped aluminium ingot is greater than mark
The cost of quasi- aluminium ingot, every block of special-shaped aluminium ingot will increase, and virtually increase the production cost of entire factory.For the aluminium of same specification
Ingot, because casting mould is unitized, what the variation of outer dimension and the variation of mass parameter were mainly cast by its molten aluminum
Height dimension determines.It needs to screen the special-shaped aluminium ingot for the requirement that falls short of specifications in process of production, but main at present
By the way of artificial detection screening, there is the problems such as detection inconvenience, large labor intensity, low screening efficiency.
Summary of the invention
The technical problem to be solved by the present invention is a kind of special-shaped aluminium ingot screening system is provided, to solve existing aluminium ingot abnormity
Existing detection inconvenience, large labor intensity, screening efficiency low technical problem when screening.
The technical scheme is that a kind of abnormity aluminium ingot screening system, comprising: carrying transport platform is separately positioned on and holds
Carry transport platform two sides and protrude from carrying transport platform end face conveyor chain and for drive conveyor chain along carrying transport platform
The drive sprocket of length direction cycle rotation, is provided with lifting conveying mechanism in the carrying transport platform, it is matched carry it is defeated
Send the side of platform to be provided with export agency, the lifting conveying mechanism be used to for special-shaped aluminium ingot being lifted off upwards conveyor chain and by its
It leads to move on export agency and be discharged;It is provided with light curtain sensor in the front carrying transport platform of the lifting conveying mechanism, it should
Light curtain sensor is used to detect the height value for the aluminium ingot to be screened being placed on conveyor chain.
The lifting conveying mechanism includes conveyer and elevating mechanism, and the conveying direction of the conveyer is along export agency
Direction setting is exported, the conveyer is arranged on elevating mechanism, and the elevating mechanism setting is in carrying transport platform, the liter
Descending mechanism drives conveyer to be converted between conveyor chain lower state stretching out in above conveyor chain or shrink.
The elevating mechanism includes elevating lever and power source, and the rack of the elevating lever upper end and conveyer connects, and under
End is connect with power source, and power source provides the power that elevating lever moves up and down.
The elevating lever is 4, is respectively arranged 2 in the two sides of conveyer.
The power source is hydraulic cylinder or electric cylinder, and the bottom of hydraulic cylinder or electric cylinder is fixed in carrying transport platform.
The signal output end of the light curtain sensor is electrically connected with the signal input part of industrial personal computer, the signal output of industrial personal computer
End is electrically connected with the control terminal of hydraulic cylinder or electric cylinder, and the signal output end of industrial personal computer is electrically connected with the control terminal of conveyer, light
It is dynamic according to the order of industrial personal computer that the height value for the aluminium ingot that curtain sensor will test is transferred to industrial personal computer, hydraulic cylinder or electric cylinder
Make, conveyer is according to the command action of industrial personal computer.
The export agency includes the outlet roller of several spaced and parallel settings, is transferred out with receiving from lifting conveying mechanism
The special-shaped aluminium ingot come, and export.
The end of the outlet roller is provided with picking-up container.
The transmitter and receiver of the light curtain sensor are vertically provided at two opposite sides of carrying transport platform respectively.
The beneficial effects of the present invention are: the present invention can detect the aluminium ingot on conveyor chain, standard compliant aluminium
Ingot can carry out stacking, packing, storage by detection device.Non-compliant abnormity aluminium ingot will be arrived by system detection, be led to
It crosses lifting conveying mechanism to screen aluminium ingot, avoids standard aluminium ingot and special-shaped aluminium ingot mixed in together, improve aluminium ingot outbound
Standardization and normalization.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the top view for being lifted conveying mechanism;
Fig. 3 is the longitudinal sectional view for being lifted conveying mechanism;
Fig. 4 is control structure figure of the invention;
Description of symbols: 1 carrying transport platform, 2 conveyor chains, 3 light curtain sensors, 4 lifting conveying mechanisms, 5 industrial personal computers, 6 lead
Roller out, 7 picking-up containers, 41 conveyers, 42 linking arms, 43 power sources, 44 elevating levers.
Specific embodiment
With reference to the accompanying drawing and invention is described further in specific embodiment:
Referring to figs. 1 to Fig. 3, a kind of special-shaped aluminium ingot screening system according to the present invention, comprising: carrying transport platform 1 is separately positioned on and holds
Carry 1 two sides of transport platform and protrude from carrying 1 end face of transport platform conveyor chain 2 and for drive conveyor chain 2 along carry it is defeated
The drive sprocket (not shown) of 1 length direction cycle rotation of platform is sent, carrying transport platform 1 itself is motionless, by two conveyor chains 2
The mobile conveying of aluminium ingot is driven, this kind of structure is common conveying mechanism, therefore no longer described in detail herein.
Lifting conveying mechanism 4 is provided in carrying transport platform 1, the matched side in carrying transport platform 1, which is provided with, leads
Mechanism out, lifting conveying mechanism 4 are arranged for special-shaped aluminium ingot to be lifted off conveyor chain 2 upwards and be led to move on export agency
Out.Specifically, lifting conveying mechanism 4 includes conveyer 41 and elevating mechanism, and the conveying direction of conveyer 41 is along export agency
Direction setting is exported, is moved on on export agency in order to lead special-shaped aluminium ingot, conveyer 41 is arranged on elevating mechanism, by going up and down
Mechanism drives it to move up and down, elevating mechanism setting carrying transport platform 1 on, elevating mechanism drive conveyer 41 stretch out in it is defeated
It send 2 top of chain or shrinks and converted between 2 lower state of conveyor chain, special-shaped aluminium ingot is lifted off conveyor chain 2 when stretching out,
Or the unlikely normal conveying for influencing aluminium ingot when shrinking in lower section.
Elevating mechanism includes elevating lever 44 and power source 43, and 44 upper end of elevating lever is connect (in this way with the rack of conveyer 41
Elevating lever 44 will not interfere with the operating of conveyer 41), and lower end is connect with power source 43, power source 43 is provided on elevating lever 44
The power of lower movement.Preferably, elevating lever 44 be 4, be respectively arranged 2 in the two sides of conveyer 41 so that conveyer 41 by
To uniform active force, for example, the linking arm 42 that elevating lever 44 can be laterally arranged by one is connect with the bracket of conveyer 41.
Preferably, power source 43 is hydraulic cylinder or electric cylinder, and the bottom of hydraulic cylinder or electric cylinder is fixed in carrying transport platform 1, at this time
The table top of carrying transport platform 1 is stretched out in 44 activity of elevating lever, is correspondingly arranged on the table top of carrying transport platform 1 living for elevating lever 44
Dynamic hole.
Export agency includes the outlet roller 6 of several spaced and parallel settings, from carrying transport platform 1 downwards gradually
Inclination is provided with picking-up container 7 in the end of outlet roller 6 to receive the special-shaped aluminium ingot transported out from lifting conveying mechanism 4, with
Collect special-shaped aluminium ingot.
It is provided with light curtain sensor 3 in the front carrying transport platform 1 of lifting conveying mechanism 4, which is used for
Detect the height value for the aluminium ingot to be screened being placed on conveyor chain 2.Preferably, the transmitter and receiver of light curtain sensor 3 point
It is not vertically provided at two opposite sides of carrying transport platform 1.For example, a bracket is arranged respectively to install light in the two sides of carrying transport platform 1
Curtain sensor 3.Light curtain sensor 3 can be the Measuring light screen of various models, such as nation receives Measuring light screen, and the length of measurement is hair
The light being blocked between emitter and receiver, since the distance between light is set, can substantially calculate by
It the distance between shuts out the light, i.e. the height dimension of aluminium ingot.
With reference to Fig. 4, the signal output end of light curtain sensor 3 is electrically connected with the signal input part of industrial personal computer 5, industrial personal computer 5
Signal output end is electrically connected with the control terminal of hydraulic cylinder or electric cylinder, the signal output end of industrial personal computer 5 and the control terminal of conveyer
Electrical connection, the height value for the aluminium ingot that light curtain sensor 3 will test are transferred to industrial personal computer 5, and hydraulic cylinder or electric cylinder are according to industry control
The command action of machine 5, conveyer 41 is according to the command action of industrial personal computer 5.In actually detected, settable qualification aluminium ingot height gauge
Very little allowable error value range, when detecting the height value of aluminium ingot within this range, then industrial personal computer 5 controls hydraulic cylinder or electronic
Cylinder remains retracted state and is failure to actuate, and when the height value of aluminium ingot exceeds this value range, then industrial personal computer 5 controls hydraulic cylinder or electric cylinder
Driving telescopic rod stretches out upwards, and special-shaped aluminium ingot is lifted off conveyor chain 2, restarts conveyer 41 and leads special-shaped aluminium ingot and moves to export
Mechanism discharge.In actually control, can according to light curtain sensor 3 be lifted at a distance from conveying mechanism 4 and conveyor chain 2
Conveying speed, setting light curtain sensor 3 detect the actuation time of lifting conveying mechanism 4 after special-shaped aluminium ingot, it can thus prolong
The actuation time of lifting conveying mechanism 4 late;Detection switch can also be set in front of lifting conveying mechanism 4, when detecting abnormity
When arrival, lifting conveying mechanism 4 is reoperated.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (9)
1. a kind of abnormity aluminium ingot screening system, comprising: carrying transport platform 1 is separately positioned on carrying 1 two sides of transport platform and protrudes from
Carry the conveyor chain 2 of 1 end face of transport platform and for driving conveyor chain 2 along carrying 1 length direction cycle rotation of transport platform
Drive sprocket, it is characterised in that: be provided in the carrying transport platform 1 lifting conveying mechanism 4, it is matched carrying transport platform
1 side is provided with export agency, the lifting conveying mechanism 4 be used to for special-shaped aluminium ingot being lifted off upwards conveyor chain 2 and by its
It leads to move on export agency and be discharged;It is provided with light curtain sensor 3 in the front carrying transport platform 1 of the lifting conveying mechanism 4,
The light curtain sensor 3 is used to detect the height value for the aluminium ingot to be screened being placed on conveyor chain 2.
2. abnormity aluminium ingot screening system according to claim 1, it is characterised in that: the lifting conveying mechanism 4 includes defeated
Machine (41) and elevating mechanism are sent, the conveying direction of the conveyer (41) is arranged along the export direction of export agency, the conveying
Machine (41) is arranged on elevating mechanism, and in carrying transport platform 1, the elevating mechanism drives conveyer for the elevating mechanism setting
It is converted between 2 lower state of conveyor chain stretching out in above conveyor chain 2 or shrinking.
3. abnormity aluminium ingot screening system according to claim 2, it is characterised in that: the elevating mechanism includes elevating lever 44
With power source 43, the rack of 44 upper end of elevating lever and conveyer is connected, and lower end is connect with power source 43, and power source 43 mentions
The power moved up and down for elevating lever 44.
4. abnormity aluminium ingot screening system according to claim 3, it is characterised in that: the elevating lever 44 is 4, is being conveyed
The two sides of machine (41) are respectively arranged 2.
5. abnormity aluminium ingot screening system according to claim 3, it is characterised in that: the power source 43 is hydraulic cylinder or electricity
The bottom of dynamic cylinder, hydraulic cylinder or electric cylinder is fixed in carrying transport platform 1.
6. abnormity aluminium ingot screening system according to claim 5, it is characterised in that: the signal of the light curtain sensor 3 is defeated
Outlet is electrically connected with the signal input part of industrial personal computer 5, the signal output end and hydraulic cylinder of industrial personal computer 5 or the control terminal electricity of electric cylinder
Connection, the signal output end of industrial personal computer 5 are electrically connected with the control terminal of conveyer, the height for the aluminium ingot that light curtain sensor 3 will test
Angle value is transferred to industrial personal computer 5, hydraulic cylinder or electric cylinder according to the command action of industrial personal computer 5, and conveyer is according to the order of industrial personal computer 5
Movement.
7. abnormity aluminium ingot screening system according to claim 1, it is characterised in that: the export agency includes between several
Every outlet roller 6 disposed in parallel, to receive the special-shaped aluminium ingot transported out from lifting conveying mechanism 4, and export.
8. abnormity aluminium ingot screening system according to claim 7, it is characterised in that: be arranged in the end of the outlet roller 6
There is picking-up container 7.
9. abnormity aluminium ingot screening system according to claim 1, it is characterised in that: the transmitter of the light curtain sensor 3
It is vertically provided at two opposite sides of carrying transport platform 1 respectively with receiver.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910099294.0A CN109604542A (en) | 2019-01-31 | 2019-01-31 | A kind of abnormity aluminium ingot screening system and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910099294.0A CN109604542A (en) | 2019-01-31 | 2019-01-31 | A kind of abnormity aluminium ingot screening system and method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109604542A true CN109604542A (en) | 2019-04-12 |
Family
ID=66021802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910099294.0A Pending CN109604542A (en) | 2019-01-31 | 2019-01-31 | A kind of abnormity aluminium ingot screening system and method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109604542A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113058862A (en) * | 2021-03-18 | 2021-07-02 | 代智勇 | Dimension detection device for producing IC card reader |
CN115847592A (en) * | 2023-02-21 | 2023-03-28 | 武汉安智信自动化有限公司 | Pressure detection mechanism and automatic concrete filling production line |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1433911A (en) * | 1964-10-06 | 1966-04-01 | Oglebay Norton Co | Insulating material for ingot mold and process for its manufacture |
CN101612657A (en) * | 2009-05-16 | 2009-12-30 | 兰州爱赛特机电科技有限公司 | The useless ingot remover that is used for the non-ferrous metal continuous casting machine group |
CN203253887U (en) * | 2013-03-28 | 2013-10-30 | 苏州嘉诺资源再生技术有限公司 | Automatic cast ingot recognition device |
CN105966837A (en) * | 2015-10-14 | 2016-09-28 | 北京航天斯达科技有限公司 | Dual-way transferring and conveying device for pallets |
CN208037328U (en) * | 2018-03-10 | 2018-11-02 | 深圳市百联创新科技有限公司 | A kind of circuit board screening conveyer |
CN108855975A (en) * | 2018-04-09 | 2018-11-23 | 三门峡三星智能装备制造有限公司 | workpiece production line and workpiece screening system |
CN208225854U (en) * | 2018-06-14 | 2018-12-11 | 苏州映真智能科技有限公司 | A kind of silicon wafer rejecting mechanism |
-
2019
- 2019-01-31 CN CN201910099294.0A patent/CN109604542A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1433911A (en) * | 1964-10-06 | 1966-04-01 | Oglebay Norton Co | Insulating material for ingot mold and process for its manufacture |
CN101612657A (en) * | 2009-05-16 | 2009-12-30 | 兰州爱赛特机电科技有限公司 | The useless ingot remover that is used for the non-ferrous metal continuous casting machine group |
CN203253887U (en) * | 2013-03-28 | 2013-10-30 | 苏州嘉诺资源再生技术有限公司 | Automatic cast ingot recognition device |
CN105966837A (en) * | 2015-10-14 | 2016-09-28 | 北京航天斯达科技有限公司 | Dual-way transferring and conveying device for pallets |
CN208037328U (en) * | 2018-03-10 | 2018-11-02 | 深圳市百联创新科技有限公司 | A kind of circuit board screening conveyer |
CN108855975A (en) * | 2018-04-09 | 2018-11-23 | 三门峡三星智能装备制造有限公司 | workpiece production line and workpiece screening system |
CN208225854U (en) * | 2018-06-14 | 2018-12-11 | 苏州映真智能科技有限公司 | A kind of silicon wafer rejecting mechanism |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113058862A (en) * | 2021-03-18 | 2021-07-02 | 代智勇 | Dimension detection device for producing IC card reader |
CN115847592A (en) * | 2023-02-21 | 2023-03-28 | 武汉安智信自动化有限公司 | Pressure detection mechanism and automatic concrete filling production line |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204823151U (en) | Automatic unloading mechanism in upset | |
CN105676108A (en) | Automatic detection system for circuit boards | |
CN109604542A (en) | A kind of abnormity aluminium ingot screening system and method | |
CN106976216A (en) | Injecting products automatic part picking and process equipment | |
CN110455379A (en) | A kind of production line lifting weighing platform and control method and workflow | |
CN106697348B (en) | Quantitative packaging system | |
CN206318475U (en) | A kind of ceramic tile on-line sorting device | |
CN211217583U (en) | Lifting weight-checking machine | |
CN109604541A (en) | A kind of abnormity aluminium ingot lifting discharger and method | |
CN208560737U (en) | A kind of automatic blanking device of aluminium chartered plane | |
CN109775382B (en) | Unpiler positioning system and control method | |
CN207810607U (en) | The automatic weighing proportioning device of multistation double-crawler type | |
CN203793672U (en) | Semi-automatic encasement device | |
CN214192410U (en) | Lifting machine | |
CN206032527U (en) | Belt feeder automatic conveying control system | |
CN209230537U (en) | A kind of detection device of abnormity aluminium ingot | |
CN210475384U (en) | Turnover device and forging production line comprising same | |
CN207174900U (en) | A kind of conveying device of plane material | |
CN109794421A (en) | A kind of visual identity detection stacking counting apparatus | |
CN205771821U (en) | Pallet with defective pallet hoisting mechanism carries module | |
CN205240591U (en) | Glass in solar PV modules production line moves and carries device | |
CN214638321U (en) | A product fixed length detects removing devices for on transfer chain | |
CN211337939U (en) | Automatic piece equipment down of glass | |
CN110329612A (en) | A kind of ceramic tile model marking system | |
CN208307858U (en) | A kind of self-feeding, permutation belt feeder |
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 |
Application publication date: 20190412 |
|
RJ01 | Rejection of invention patent application after publication |