CN109295284A - A kind of heat treatment process equipment for metal product - Google Patents
A kind of heat treatment process equipment for metal product Download PDFInfo
- Publication number
- CN109295284A CN109295284A CN201811074608.3A CN201811074608A CN109295284A CN 109295284 A CN109295284 A CN 109295284A CN 201811074608 A CN201811074608 A CN 201811074608A CN 109295284 A CN109295284 A CN 109295284A
- Authority
- CN
- China
- Prior art keywords
- fixedly installed
- furnace box
- steel cylinder
- heat treatment
- treatment process
- 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
Abstract
The present invention provides a kind of heat treatment process equipment for metal product, it is related to metal-working plant field, including furnace box, furnace box is internally provided with steel cylinder, motor is fixedly installed at the top of furnace box, the inside of steel cylinder is fixedly installed with agitating shaft, and the shaft of motor runs through the top plate of furnace box and is sequentially connected by shaft coupling and agitating shaft, the two sides of agitating shaft are fixedly installed with stirring rod, and the two sides of motor are provided with feed hopper.This is used for the heat treatment process equipment of metal product, pass through cooling gas source, during needing to cool down, drive cooling gas source, start to provide cooling gas to air inlet pipeline, cooling gas enters the inside of steel cylinder, heating member is cooled down, the cooling efficiency for accelerating metalwork avoids passing through solar panel because of the excessively high accident for causing to burn when taking of metalwork temperature, electric energy is converted solar energy into using solar panel, electric energy is provided to equipment, has saved slack resources, improves the energy saving of environmental protection.
Description
Technical field
The present invention relates to metal-working plant technical field, specially a kind of heat treatment process for metal product is set
It is standby.
Background technique
Metal heat treatmet is one of the important process in machine-building, and compared with other processing technologys, heat treatment is general not
Change the shape and whole chemical component of workpiece, but by the microscopic structure of change inside workpiece, or change workpiece surface
Chemical component, assign or improve the service performance of workpiece, its main feature is that improving the inherent quality of workpiece, and this is generally not meat
What eye can be seen, to make metal works that there is required mechanical property, physical property and chemical property, remove reasonable selection material
Outside material and various forming technologies, heat treatment process is often essential.
Manually opened heating chamber goalkeeper workpiece takes out traditional Equipment for Heating Processing after cooling after heating workpiece,
Cooling to be possible to not in place but since metal heat treatmet temperature is excessively high, manually opened chamber door is likely occurred equal accident of burning,
Using dangerous.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of heat treatment process equipment for metal product, solves
State the problem of background technique proposes.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of heat treatment for metal product adds
Construction equipment, including furnace box, furnace box are internally provided with steel cylinder, motor are fixedly installed at the top of the furnace box, the steel cylinder
Inside is fixedly installed with agitating shaft, and the shaft of the motor runs through the top plate of furnace box and connected by shaft coupling and agitating shaft transmission
It connects, the two sides of the agitating shaft are fixedly installed with stirring rod, and the two sides of the motor are provided with feed hopper, the feed hopper
Bottom be fixedly installed with feed pipe, one end of the feed pipe extends in steel cylinder, and the two sides of the furnace box are fixedly mounted
There is loading plate, cooling gas source is fixedly installed at the top of the loading plate, is fixedly installed with outlet at the top of the cooling gas source
Pipe, one end of the escape pipe is fixedly installed with heat exchanger, air inlet pipe is fixedly installed at the top of the heat exchanger, described
One end of air inlet pipe extends in steel cylinder, and the bottom of the furnace box is fixedly installed with heating device.
Preferably, the bottom of the furnace box is fixedly installed with supporting leg, and the bottom of the supporting leg is provided with damping device,
The inside of the damping device is fixedly installed with fixed block, and one end of the supporting leg and upper fixed block are fixedly mounted, described
It is provided with lower fixed block on the downside of upper fixed block, is provided with damping spring between the upper fixing block and lower fixed block, it is described
The bottom of damping device is fixedly installed with idler wheel.
Preferably, the two sides of the furnace box are fixedly installed with support rod, and one end of the support rod is fixedly installed with peace
Loading board is fixedly installed with solar panel at the top of the mounting plate, electric power storage box is fixedly installed on the right side of the furnace box.
Preferably, air inlet pipeline is fixedly installed on the left of the cooling gas source, the quantity of the air inlet pipeline is three,
One end of the air inlet pipeline extends in steel cylinder, and the inside of the escape pipe is fixedly installed with control valve.
Preferably, the bottom of the steel cylinder is fixedly installed with placement plate, and it is recessed to offer first on the left of the furnace box inner wall
Slot, one end of the placement plate extend in the first groove, and the other end of the placement plate extends to outside furnace box, the placement plate
One end be fixedly installed with handle, the right side opening of the furnace box is equipped with the second groove, and it is recessed that one end of the handle extends to second
In slot.
Preferably, the inside of the heating device is fixedly installed with fragment heated sheet, sets on the downside of the fragment heated sheet
It is equipped with heating layer, the bottom of the heating layer is fixedly installed with middle siphunculus, and the two sides of the middle siphunculus are fixedly installed with fever
Resistor body.
(3) beneficial effect
The present invention provides a kind of heat treatment process equipment for metal product.Have it is following the utility model has the advantages that
1, heat treatment process equipment for being used for metal product, by the way that cooling gas source, during needing to cool down, driving is arranged
Cooling gas source starts to provide cooling gas to air inlet pipeline, and the air pressure in air inlet pipeline is made to be greater than the air pressure in steel cylinder at this time,
Cooling gas enters the inside of steel cylinder, cools down to heated object, accelerates the cooling efficiency of metalwork, avoids because of metal
The excessively high accident for causing to burn when taking of part temperature reduces unexpected occur.
2, the heat treatment process equipment for being used for metal product utilizes solar battery by the way that solar panel is arranged
Plate converts solar energy into electric energy, provides electric energy to equipment, has saved slack resources, the energy saving of environmental protection is improved, by setting
Damping device is set, when the device is in use, plays the role of damping, reduces the noise pollution environment that equipment generates.
3, the heat treatment process equipment for being used for metal product can be after the completion of tempering directly by the way that heating device is arranged
It is quenched, saves process time, greatly improve working efficiency, by setting handle, move to placement plate, it will be cold
But the metalwork after takes out, and convenient for taking, by the way that the second groove is arranged, can reinforce the stability to placement plate, avoid placing
Plate is tilted in furnace box.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is structure of the invention damping device schematic diagram;
Fig. 3 is structure of the invention heating device schematic diagram.
In figure: 1 furnace box, 2 agitating shafts, 3 handles, 4 second grooves, 5 supporting legs, 6 damping devices, 601 upper mounted plates, 602
Damping spring, 603 bottom plates, 7 idler wheels, 8 heating devices, 801 fragment heated sheets, 802 heating layers, 803 heating resistors,
Siphunculus, 9 placement plates, 10 first grooves, 11 loading plates, 12 cooling gas sources, 13 escape pipes, 14 air inlet pipelines, 15 control valves in 804
Door, 16 heat exchangers, 17 air inlet pipe, 18 feed pipes, 19 feed hoppers, 20 motors, 21 solar panels, 22 mounting plates, 23 store
Electric box, 24 support rods, 25 stirring rods, 26 steel cylinders.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of heat treatment process equipment for metal product, as shown in Figure 1-3, include furnace box
1, the two sides of furnace box 1 are fixedly installed with support rod 24, and one end of support rod 24 is fixedly installed with mounting plate 22, mounting plate 22
Top is fixedly installed with solar panel 21, by the way that solar panel 21 is arranged, using solar panel 21 by the sun
It can be converted into electric energy, electric energy is provided to equipment, saved slack resources, improve the energy saving of environmental protection, the right side of furnace box 1 is fixed
Electric power storage box 23 is installed, by the way that electric power storage box 23 is arranged, can be used to store electric energy, the bottom of furnace box 1 is fixedly installed with supporting leg
5, the bottom of supporting leg 5 is provided with damping device 6, plays the work of damping when the device is in use by the way that damping device 6 is arranged
With the noise pollution environment that reduction equipment generates, the inside of damping device 6 is fixedly installed with fixed block 601, supporting leg 5
One end and upper fixed block 601 are fixedly mounted, and the downside of upper fixed block 601 is provided with lower fixed block 603, and upper fixed block 601 is under
Damping spring 602 is provided between fixed block 603, by the way that damping spring 602 is arranged, spring plays the role of damping, significantly
The efficiency for improving damping, the bottom of damping device 6 is fixedly installed with idler wheel 7, and furnace box 1 is internally provided with steel cylinder 26,
The bottom of steel cylinder 26 is fixedly installed with placement plate 10, and the first groove 10 is offered on the left of 1 inner wall of furnace box, recessed by setting first
Slot 10 reinforces the consolidating in furnace box 1 to placement plate 10, and one end of placement plate 10 extends in the first groove 10, placement plate 10
The other end extend to outside furnace box 1, one end of placement plate 10 is fixedly installed with handle 3, by be arranged handle 3, move to placement plate
9, metalwork after cooling is taken out, convenient for taking, the right side opening of furnace box 1 is equipped with the second groove 4, by the way that the second groove 4 is arranged,
It can reinforce the stability to placement plate 9, avoid placement plate 9 tilted in furnace box 1, one end of handle 3 extends to the second groove 4
Interior, the top of furnace box 1 is fixedly installed with motor 20, and by the way that motor 20 is arranged, driving motor 20 drives agitating shaft 2 to rotate, and drives
Stirring rod 25 stirs evenly metalwork in steel cylinder 26, and heat metal articles can be made uniform, cooling uniform effect, significantly
Improve work efficiency, the inside of steel cylinder 26 is fixedly installed with agitating shaft 2, the shaft of motor 20 through furnace box 1 top plate and
It is sequentially connected by shaft coupling and agitating shaft 2, the two sides of agitating shaft 2 are fixedly installed with stirring rod 25, and the two sides of motor 20 are equal
It is provided with feed hopper 19, feed hopper 19 is set by two sides, accelerates the efficiency of charging, greatly improves the efficiency of work, into
The bottom of hopper 19 is fixedly installed with feed pipe 18, and one end of feed pipe 18 extends in steel cylinder 26, and the two sides of furnace box 1 are fixed
Loading plate 11 is installed, the top of loading plate 11 is fixedly installed with cooling gas source 12, by the way that cooling gas source 12 is arranged, is needing to drop
In the process of temperature, cooling gas source 12 is driven, starts to provide cooling gas to air inlet pipeline 14, make in air inlet pipeline 14 at this time
Air pressure is greater than the air pressure in steel cylinder 26, and cooling gas enters the inside of steel cylinder 26, cools down to heated object, accelerates metal
The cooling efficiency of part avoids reducing unexpected generation because of the excessively high accident for causing to burn when taking of metalwork temperature, cooling
The left side of gas source 12 is fixedly installed with air inlet pipeline 14, and the quantity of air inlet pipeline 14 is three, and one end of air inlet pipeline 14 extends
To steel cylinder 26, the inside of escape pipe 13 is fixedly installed with control valve 15, and the top of cooling gas source 12 is fixedly installed with outlet
Pipe 13, one end of escape pipe 13 are fixedly installed with heat exchanger 16, and the top of heat exchanger 16 is fixedly installed with air inlet pipe 17, into
One end of tracheae 17 extends in steel cylinder 26, and the bottom of furnace box 1 is fixedly installed with heating device 8, by the way that heating device 8 is arranged,
It can be directly quenched after the completion of tempering, save process time, greatly improve working efficiency, heating device 8
Inside be fixedly installed with fragment heated sheet 801, the downside of fragment heated sheet 801 is provided with heating layer 802, heating layer 802
Bottom is fixedly installed with middle siphunculus 804, and the two sides of middle siphunculus 804 are fixedly installed with heating resistor 803.
In conclusion this is used for the heat treatment process equipment of metal product, by the way that cooling gas source 12 is arranged, needing to cool down
During, cooling gas source 12 is driven, starts to provide cooling gas to air inlet pipeline 14, makes the gas in air inlet pipeline 14 at this time
Pressure is greater than the air pressure in steel cylinder 26, and cooling gas enters the inside of steel cylinder 26, cools down to heated object, accelerates metalwork
Cooling efficiency, avoid because of the excessively high accident for causing to burn when taking of metalwork temperature, reduce it is unexpected occur, by setting
Solar panel 21 is set, converts solar energy into electric energy using solar panel 21, provides electric energy to equipment, is saved
Slack resources improve the energy saving of environmental protection, play the role of damping when the device is in use by the way that damping device 6 is arranged, subtract
The noise pollution environment that few equipment generates, also, by setting heating device 8, it can directly be carried out at quenching after the completion of tempering
Reason, saves process time, greatly improves working efficiency, by the way that handle 3 is arranged, placement plate 9 is moved to, by gold after cooling
Belong to part to take out, convenient for taking, by the way that the second groove 4 is arranged, the stability to placement plate 9 can be reinforced, avoid placement plate 9 in furnace
Case 1 is tilted.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of heat treatment process equipment for metal product, including furnace box (1), it is characterised in that: the inside of furnace box (1) is set
It is equipped with steel cylinder (26), is fixedly installed with motor (20) at the top of the furnace box (1), the inside of the steel cylinder (26) is fixedly installed with
Agitating shaft (2), the shaft of the motor (20) run through the top plate of furnace box (1) and are sequentially connected by shaft coupling and agitating shaft (2),
The two sides of the agitating shaft (2) are fixedly installed with stirring rod (25), and the two sides of the motor (20) are provided with feed hopper
(19), the bottom of the feed hopper (19) is fixedly installed with feed pipe (18), and one end of the feed pipe (18) extends to steel cylinder
(26) in, the two sides of the furnace box (1) are fixedly installed with loading plate (11), are fixedly installed at the top of the loading plate (11)
It cools down gas source (12), is fixedly installed with escape pipe (13) at the top of the cooling gas source (12), one end of the escape pipe (13)
It is fixedly installed with heat exchanger (16), is fixedly installed with air inlet pipe (17), the air inlet pipe at the top of the heat exchanger (16)
(17) one end extends in steel cylinder (26), and the bottom of the furnace box (1) is fixedly installed with heating device (8).
2. a kind of heat treatment process equipment for metal product according to claim 1, it is characterised in that: the furnace box
(1) bottom is fixedly installed with supporting leg (5), and the bottom of the supporting leg (5) is provided with damping device (6), the damping dress
The inside for setting (6) is fixedly installed with fixed block (601), and one end and upper fixed block (601) of the supporting leg (5) are fixed to pacify
It fills, is provided with lower fixed block (603) on the downside of the upper fixing block (601), the upper fixing block (601) and lower fixed block
(603) it is provided between damping spring (602), the bottom of the damping device (6) is fixedly installed with idler wheel (7).
3. a kind of heat treatment process equipment for metal product according to claim 1, it is characterised in that: the furnace box
(1) two sides are fixedly installed with support rod (24), and one end of the support rod (24) is fixedly installed with mounting plate (22), described
It is fixedly installed at the top of mounting plate (22) solar panel (21), is fixedly installed with electric power storage box on the right side of the furnace box (1)
(23).
4. a kind of heat treatment process equipment for metal product according to claim 1, it is characterised in that: the cooling
It is fixedly installed on the left of gas source (12) air inlet pipeline (14), the quantity of the air inlet pipeline (14) is three, the air inlet pipe
The one end on road (14) extends in steel cylinder (26), and the inside of the escape pipe (13) is fixedly installed with control valve (15).
5. a kind of heat treatment process equipment for metal product according to claim 1, it is characterised in that: the steel cylinder
(26) bottom is fixedly installed with placement plate (10), is offered the first groove (10) on the left of furnace box (1) inner wall, described to put
The one end for setting plate (10) extends in the first groove (10), and the other end of the placement plate (10) extends to furnace box (1) outside, described
One end of placement plate (10) is fixedly installed with handle (3), and the right side opening of the furnace box (1) is equipped with the second groove (4), the handle
(3) one end extends in the second groove (4).
6. a kind of heat treatment process equipment for metal product according to claim 1, it is characterised in that: the heating
The inside of device (8) is fixedly installed with fragment heated sheet (801), is provided with heating layer on the downside of the fragment heated sheet (801)
(802), the bottom of the heating layer (802) is fixedly installed with middle siphunculus (804), and the two sides of the middle siphunculus (804) are fixed
Heating resistor (803) are installed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811074608.3A CN109295284A (en) | 2018-09-14 | 2018-09-14 | A kind of heat treatment process equipment for metal product |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811074608.3A CN109295284A (en) | 2018-09-14 | 2018-09-14 | A kind of heat treatment process equipment for metal product |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109295284A true CN109295284A (en) | 2019-02-01 |
Family
ID=65163116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811074608.3A Pending CN109295284A (en) | 2018-09-14 | 2018-09-14 | A kind of heat treatment process equipment for metal product |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109295284A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205216605U (en) * | 2015-12-03 | 2016-05-11 | 丰城黑五类食品有限公司 | A sugared device is dissolved to high efficiency for walnut milk beverage preparation |
CN105561881A (en) * | 2016-03-10 | 2016-05-11 | 黄斌 | Efficient reaction kettle with vibration absorption device |
CN205501117U (en) * | 2016-04-13 | 2016-08-24 | 鄂尔多斯市源盛光电有限责任公司 | Heat treatment furnace |
CN206176979U (en) * | 2016-11-15 | 2017-05-17 | 安徽艾贤磁体器件科技有限公司 | Device is refined with raw materials to magnetite production |
CN206408266U (en) * | 2016-12-29 | 2017-08-15 | 东莞市百高五金制品有限公司 | A kind of handware heat treatment process equipment |
CN207109054U (en) * | 2017-09-06 | 2018-03-16 | 重庆恒祥石油液化气钢瓶制造有限公司 | A kind of steel cylinder processing Equipment for Heating Processing |
-
2018
- 2018-09-14 CN CN201811074608.3A patent/CN109295284A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205216605U (en) * | 2015-12-03 | 2016-05-11 | 丰城黑五类食品有限公司 | A sugared device is dissolved to high efficiency for walnut milk beverage preparation |
CN105561881A (en) * | 2016-03-10 | 2016-05-11 | 黄斌 | Efficient reaction kettle with vibration absorption device |
CN205501117U (en) * | 2016-04-13 | 2016-08-24 | 鄂尔多斯市源盛光电有限责任公司 | Heat treatment furnace |
CN206176979U (en) * | 2016-11-15 | 2017-05-17 | 安徽艾贤磁体器件科技有限公司 | Device is refined with raw materials to magnetite production |
CN206408266U (en) * | 2016-12-29 | 2017-08-15 | 东莞市百高五金制品有限公司 | A kind of handware heat treatment process equipment |
CN207109054U (en) * | 2017-09-06 | 2018-03-16 | 重庆恒祥石油液化气钢瓶制造有限公司 | A kind of steel cylinder processing Equipment for Heating Processing |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109367056B (en) | Automatic control heating and curing device for resin-based carbon fiber composite material | |
CN206109460U (en) | Full -automatic large -scale rotary hearth furnace carburization quenching production line apparatus | |
CN103898280A (en) | Residual-heat available roll-bar type rapid-cooling furnace | |
CN206721280U (en) | A kind of multilayer annealing furnace | |
CN104513894A (en) | Well type thermal treatment furnace for ring piece | |
CN109295284A (en) | A kind of heat treatment process equipment for metal product | |
CN109367057B (en) | Composite material curing device | |
CN206008526U (en) | A kind of agitating device of E-glass silk | |
CN206887153U (en) | A kind of aluminium section bar is recycled hot-air heating type aging furnace | |
CN215002965U (en) | Waste heat utilization preheater is used in expanded perlite production | |
CN211012410U (en) | Movable precise double-layer tunnel furnace | |
CN208328063U (en) | A kind of COPPER WIRES PRODUCTION environment-friendly and energy-efficient waste heat recycle device | |
CN109435277B (en) | Heating and curing device for resin matrix composite | |
CN206131704U (en) | Metal heating furnace | |
CN207483610U (en) | A kind of low boron glass production reinforcing device | |
CN201372307Y (en) | Multifunctional carburizing furnace | |
CN221254647U (en) | Spring processing tempering furnace | |
CN214881715U (en) | Heat treatment furnace for producing austenitic stainless steel | |
CN208414489U (en) | A kind of heating furnace suitable for quenched steel heat treatment | |
CN205917301U (en) | Novel aluminum foil annealing furnace stove bottom device | |
CN219409811U (en) | High-efficient electric heating carburizing guenching unit | |
CN217438240U (en) | Natural gas stove of engineering machine tool work piece production usefulness | |
CN209778927U (en) | Annealing device for heat treatment | |
CN110919762A (en) | Magnetizing blanking production line for automobile damping films | |
CN210420035U (en) | Quick cooling and circulating device for gas in aluminum annealing furnace |
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: 20190201 |