CN112484481A - Lifting frame device of high-temperature vacuum sintering furnace - Google Patents
Lifting frame device of high-temperature vacuum sintering furnace Download PDFInfo
- Publication number
- CN112484481A CN112484481A CN202011400732.1A CN202011400732A CN112484481A CN 112484481 A CN112484481 A CN 112484481A CN 202011400732 A CN202011400732 A CN 202011400732A CN 112484481 A CN112484481 A CN 112484481A
- Authority
- CN
- China
- Prior art keywords
- plate
- vacuum sintering
- sintering furnace
- sliding
- sides
- 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.)
- Withdrawn
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/04—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D2021/0057—Security or safety devices, e.g. for protection against heat, noise, pollution or too much duress; Ergonomic aspects
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Tunnel Furnaces (AREA)
- Furnace Details (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention relates to a lifting frame device, in particular to a lifting frame device of a high-temperature vacuum sintering furnace. The technical problem of the invention is that: the lifting frame device of the high-temperature vacuum sintering furnace is high in safety and simple to use. The technical implementation scheme of the invention is as follows: a lifting frame device of a high-temperature vacuum sintering furnace comprises a bottom plate and supporting frames, wherein the supporting frames are arranged on the bottom plate; the placing components are connected among the supporting frames; the lifting mechanism is arranged on the placing component. Through placing the cooperation between subassembly and the elevating system, can make the vacuum sintering stove reciprocate, the people of being convenient for like this use.
Description
Technical Field
The invention relates to a lifting frame device, in particular to a lifting frame device of a high-temperature vacuum sintering furnace.
Background
The vacuum sintering furnace is a furnace for protectively sintering a heated object in a vacuum environment, and has many heating modes, such as resistance heating, induction heating, microwave heating and the like, the vacuum sintering furnace is a furnace for protectively sintering the heated object by utilizing induction heating, can be divided into types of power frequency, medium frequency, high frequency and the like, and can be classified as a subclass of the vacuum sintering furnace, and the vacuum sintering furnace is a furnace for generating high temperature of a tungsten crucible in a coil by utilizing the principle of medium frequency induction heating in a hydrogen gas filled protection state after vacuumizing, so people need to pay special attention in the using process.
In order to enable people to safely use the vacuum sintering furnace, the vacuum sintering furnace can be lifted and protected, so that a user can be prevented from being injured, no protective measures are provided when the vacuum sintering furnace is used, people can be easily injured, and therefore a high-temperature vacuum sintering furnace lifting frame device which is high in safety and simple to use is researched and developed at present.
Disclosure of Invention
In order to overcome the defects that people are easily injured due to no protective measures when a vacuum sintering furnace is used at present, the invention has the technical problems that: the lifting frame device of the high-temperature vacuum sintering furnace is high in safety and simple to use.
The technical implementation scheme of the invention is as follows: a lifting frame device of a high-temperature vacuum sintering furnace comprises:
the bottom plate is provided with a support frame;
the placing components are connected among the supporting frames;
the lifting mechanism is arranged on the placing component.
More preferably, the placement module comprises:
the mounting plates are connected in the supporting frame in a sliding manner;
the lifting plate is connected between the tops of the mounting plates;
the connecting plates are connected between the supporting frames;
the fixing rods are arranged in the mounting plates.
More preferably, the elevating mechanism includes:
the two sides of the top of the connecting plate are connected with bearing seats;
the rotating shafts are rotatably connected to the bearing seats;
the cranks are connected to both sides of the rotating shaft and rotatably connected with the fixed rods;
gears are arranged in the middle of the rotating shaft and are meshed with each other.
More preferably, the device further comprises a baffle, wherein the baffle comprises:
the lifting blocks are arranged between the transverse mounting plates;
the top of each lifting block is provided with a side surface protection plate;
the front protection plate is connected between one side of the side protection plate.
More preferably, the device further comprises a clamping mechanism, wherein the clamping mechanism comprises:
the four sides of the top of the lifting plate are provided with first sliding rails;
the first slide rail is connected with the clamping hook slide blocks in a sliding manner;
the first springs are arranged between the clamping hook sliding block and the first sliding rail on the same side; the side-slipping prevention clamping plates are arranged on the upper outer sides of the clamping hook sliding blocks;
two second sliding rails are arranged on four sides of the top of the lifting plate;
the iron hooks are connected between the two second sliding rails in a sliding manner;
the two sides of the bottom of the iron hook and the second sliding rail are both connected with a second spring;
and the two sides of the top of the iron hook and the second sliding rail are both connected with the third spring.
More preferably, the protection device further comprises a protection rotating mechanism, wherein the protection rotating mechanism comprises:
the two sides of the bottom of the connecting plate are both connected with third sliding rails;
the third sliding rails are connected with sliding plates in a sliding manner;
the top of one side of the sliding plate is provided with a fixed seat;
the fourth springs are arranged between the fixed seat and the third slide rail on the same side;
the servo motor is arranged between the tops of the fixed seats;
the rotating cylinder is arranged on one side of the rotating shaft on the front side;
the flexible board that gos forward, the fixing base outside all is equipped with flexible board that gos forward.
More preferably, the exhaust gas extraction device further comprises an exhaust gas extraction mechanism, wherein the exhaust gas extraction mechanism comprises:
the four sides of the top of the lifting plate are provided with fixing plates;
the mounting plate is connected between the fixing plates;
the exhaust fan is arranged on the mounting disc.
More preferably, the front guard is semicircular.
Compared with the prior art, the invention has the following advantages: 1. through placing the cooperation between subassembly and the elevating system, can make the vacuum sintering stove reciprocate, the people of being convenient for like this use.
2. Through the cooperation between baffle and the chucking mechanism, can realize that the chucking of vacuum sintering stove is fixed, avoid vacuum sintering stove to remove the dislocation.
3. Through the cooperation of the protective rotating mechanism and the waste gas pumping mechanism, the vacuum sintering furnace can be automatically moved up and down, and can be automatically clamped without manual operation, so that people can conveniently pump the waste gas.
Drawings
Fig. 1 is a schematic front view of the present invention.
FIG. 2 is a schematic view of a first partial body structure according to the present invention.
FIG. 3 is a schematic view of a second partial body structure according to the present invention.
Fig. 4 is a perspective view of a third embodiment of the present invention.
Fig. 5 is a perspective view of a fourth embodiment of the present invention.
FIG. 6 is a schematic view of a fifth partial body structure according to the present invention.
FIG. 7 is a schematic view of a sixth partial body structure according to the present invention.
FIG. 8 is a schematic view of a seventh partial body structure according to the present invention.
The parts are labeled as follows: 1. the device comprises a base plate, 2, a support frame, 3, a placement component, 30, a mounting plate, 31, a connecting plate, 32, a lifting plate, 33, a fixing rod, 4, a lifting mechanism, 40, a bearing seat, 41, a rotating shaft, 42, a gear, 43, a crank, 5, a baffle, 50, a lifting block, 51, a side protection plate, 52, a front protection plate, 6, a clamping mechanism, 60, a first slide rail, 61, a first spring, 62, a clamping hook slide block, 63, an anti-side-sliding clamping plate, 64, a second slide rail, 65, a second spring, 66, an iron hook, 67, a third spring, 7, a protection rotating mechanism, 70, a third slide rail, 71, a slide plate, 72, a fixed seat, 73, a fourth spring, 74, a servo motor, 75, a telescopic advancing plate, 76, a rotating cylinder, 8, an exhaust gas extraction mechanism, 80, a fixing plate, 81, a mounting plate, 82 and an extraction.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A lifting frame device of a high-temperature vacuum sintering furnace is shown in figures 1-3 and comprises a bottom plate 1, supporting frames 2, placing components 3 and a lifting mechanism 4, wherein the supporting frames 2 are arranged on the bottom plate 1, the placing components 3 are connected between the supporting frames 2, and the lifting mechanism 4 is arranged on the placing components 3.
Elevating system 4 is including bearing frame 40, pivot 41, gear 42 and crank 43, and both sides all are connected with bearing frame 40 around the connecting plate 31 top, and equal rotary type is connected with pivot 41 on the bearing frame 40, and the pivot 41 left and right sides all is connected with crank 43, and crank 43 and dead lever 33 rotary type are connected, all is equipped with gear 42 in the middle of the pivot 41, gear 42 intermeshing.
When people need to use the vacuum sintering furnace, the vacuum sintering furnace is placed on the lifting plate 32, then the rotating shaft 41 is rotated to drive the gear 42 and the crank 43 to rotate, so that the fixing rod 33, the mounting plate 30 and the lifting plate 32 move upwards, the vacuum sintering furnace can be moved upwards, when the vacuum sintering furnace needs to be lowered, the rotating shaft 41 is loosened, and the lifting plate 32 and the vacuum sintering furnace are driven to move downwards to reset under the action of gravity.
Example 2
On the basis of embodiment 1, as shown in fig. 4 to 8, the structure further includes a baffle 5, the baffle 5 includes a lifting block 50, side protection plates 51 and a front protection plate 52, the lifting block 50 is disposed between the transverse mounting plates 30, the side protection plates 51 are disposed on the tops of the lifting blocks 50, and the front protection plate 52 is connected between the left sides of the side protection plates 51.
The mounting plate 30 moves upwards to drive the rising block 50, the side protection plate 51 and the front protection plate 52 to move upwards, so that a protection effect is achieved for people, and the mounting plate 30 moves downwards to drive the rising block 50, the side protection plate 51 and the front protection plate 52 to move downwards to reset.
Still including chucking mechanism 6, chucking mechanism 6 is including first slide rail 60, first spring 61, pothook slider 62, prevent sideslip cardboard 63, second slide rail 64, second spring 65, iron hook 66 and third spring 67, four sides in lifter plate 32 top all are equipped with first slide rail 60, all sliding connection has pothook slider 62 on first slide rail 60, all be equipped with first spring 61 between pothook slider 62 and the first slide rail 60 of homonymy, the outside all is equipped with prevents cardboard 63 that sideslips on the pothook slider 62, four sides in lifter plate 32 top all are equipped with two second slide rails 64, all sliding connection has iron hook 66 between two second slide rails 64, both sides all are connected with second spring 65 with second slide rail 64 around iron hook 66 bottom, both sides all are connected with third spring 67 with second slide rail 64 around iron hook 66 top.
After placing the vacuum sintering furnace, in order to make the vacuum sintering furnace fixed, can move pothook slider 62 and prevent sideslip cardboard 63 to the inboard, make first spring 61 compressed, when pothook slider 62 contacts with the iron hook 66 of homonymy, the emergence deformation of second spring 65 and third spring 67 adaptability, simultaneously under the effect of second spring 65 and third spring 67, make iron hook 66 block pothook slider 62, make pothook slider 62 fix the vacuum sintering furnace, when needing to take out the vacuum sintering furnace, can separate iron hook 66 and pothook slider 62, under the effect of first spring 61, drive pothook slider 62 and prevent sideslip cardboard 63 and remove and reset and loosen the vacuum sintering furnace.
Still including protection rotary mechanism 7, protection rotary mechanism 7 is including third slide rail 70, slide 71, fixing base 72, fourth spring 73, servo motor 74, flexible board 75 and the rotatory section of thick bamboo of advancing, both sides all are connected with third slide rail 70 around connecting plate 31 right side bottom, all sliding connection has slide 71 on the third slide rail 70, slide 71 right side top all is equipped with fixing base 72, all be equipped with fourth spring 73 between the third slide rail 70 on fixing base 72 left side and homonymy, be equipped with servo motor 74 between the fixing base 72 top, the pivot 41 right side of front side is equipped with rotatory section of thick bamboo 76, the fixing base 72 outside all is equipped with flexible board 75 that advances.
When the vacuum sintering furnace needs to be lifted, firstly, the servo motor 74 moves leftwards to drive the telescopic advancing plate 75, the fixed seat 72 and the sliding plate 71 to move leftwards, the fourth spring 73 is compressed, so that the servo motor 74 is clamped with the rotary cylinder 76, the telescopic advancing plate 75 moves leftwards and simultaneously drives the hook sliding block 62 on the right side to move leftwards, so that the vacuum sintering furnace is clamped, the servo motor 74 is started, an output shaft of the servo motor 74 rotates to drive the rotary cylinder 76 and the rotating shaft 41 to rotate, so that the vacuum sintering furnace is driven to move upwards, the telescopic advancing plate 75 is stretched, when the vacuum sintering furnace needs to be lowered, the servo motor 74 is controlled to rotate reversely, the rotary cylinder 76 and the rotating shaft 41 are driven to rotate reversely, so that the vacuum sintering furnace moves downwards, then the servo motor 74 is separated from the rotary cylinder 76, under the action of the fourth spring 73, the telescopic advancing plate 75, the fixed, due to the action of gravity, the telescopic advancing plate 75 is compressed and reset, and then the hook slide block 62 on the right side is reset.
Still take out from mechanism 8 including waste gas, waste gas is taken out from mechanism 8 including fixed plate 80, mounting disc 81 and induced draft fan 82, and four sides on the top of lifter plate 32 all are equipped with fixed plate 80, are connected with mounting disc 81 between the fixed plate 80, are equipped with induced draft fan 82 on the mounting disc 81.
When exhaust gas is discharged during the operation of the sintering furnace, the exhaust fan 82 can be started to discharge the exhaust gas, and when the sintering furnace is not used, the exhaust fan 82 is closed.
The technical principle of the embodiment of the present invention is described above in conjunction with the specific embodiments. The description is only intended to explain the principles of embodiments of the invention and should not be taken in any way as limiting the scope of the embodiments of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, and these embodiments will fall within the scope of the present invention.
Claims (8)
1. The utility model provides a high temperature vacuum sintering stove crane device, characterized by, including:
the device comprises a bottom plate (1) and supporting frames (2), wherein the supporting frames (2) are arranged on the bottom plate (1);
the placing components (3) are connected between the supporting frames (2);
the lifting mechanism (4) is arranged on the placing component (3).
2. A high temperature vacuum sintering furnace crane arrangement according to claim 1, characterized in that the placement module (3) comprises:
the mounting plates (30) are connected in the support frame (2) in a sliding manner;
the lifting plate (32) is connected between the tops of the mounting plates (30);
the connecting plates (31) are connected between the supporting frames (2);
the fixing rods (33) are arranged in the fixing rods (33) and the mounting plate (30).
3. A high temperature vacuum sintering furnace crane arrangement according to claim 2, characterized in that the lifting mechanism (4) comprises:
the bearing seats (40) are connected to the two sides of the top of the connecting plate (31);
the rotating shaft (41) is rotatably connected to the bearing seat (40);
the cranks (43) are connected to the two sides of the rotating shaft (41), and the cranks (43) are rotatably connected with the fixed rod (33);
the middle of the gear (42) and the middle of the rotating shaft (41) are both provided with the gear (42), and the gears (42) are meshed with each other.
4. A high temperature vacuum sintering furnace crane apparatus according to claim 3, further comprising a baffle (5), the baffle (5) comprising:
the lifting blocks (50) are arranged between the transverse mounting plates (30);
the top parts of the side surface protection plates (51) and the ascending blocks (50) are provided with the side surface protection plates (51);
the front protection plate (52) is connected between one sides of the front protection plate (52) and the side protection plate (51).
5. A high temperature vacuum sintering furnace crane device according to claim 4, characterized by further comprising a clamping mechanism (6), wherein the clamping mechanism (6) comprises:
the four sides of the top of the lifting plate (32) are provided with the first sliding rails (60);
the first sliding rail (60) is connected with the clamping hook sliding blocks (62) in a sliding manner;
the first spring (61) is arranged between the first spring (61), the hook slide block (62) and the first slide rail (60) on the same side;
the anti-sideslip snap-gauge (63) is arranged on the upper outer side of the clamping hook sliding block (62);
two second sliding rails (64) are arranged on the four sides of the top of the lifting plate (32);
the iron hooks (66) are connected between the two second sliding rails (64) in a sliding manner;
the two sides of the bottom of the iron hook (66) and the second sliding rail (64) are both connected with the second spring (65);
and the third spring (67), the two sides of the top of the iron hook (66) and the second sliding rail (64) are connected with the third spring (67).
6. A high temperature vacuum sintering furnace crane device according to claim 5, characterized in that, also including the protection rotary mechanism (7), the protection rotary mechanism (7) including:
the two sides of the bottom of the connecting plate (31) are connected with third sliding rails (70);
the sliding plates (71) are connected to the third sliding rails (70) in a sliding manner;
the top of one side of the sliding plate (71) is provided with a fixed seat (72);
the fourth spring (73) is arranged between the fixed seat (72) and the third slide rail (70) on the same side;
the servo motor (74) is arranged between the tops of the fixed seats (72);
a rotary cylinder (76), wherein the rotary cylinder (76) is arranged on one side of the front rotating shaft (41);
the outer sides of the telescopic advancing plates (75) and the fixed seats (72) are provided with the telescopic advancing plates (75).
7. A high temperature vacuum sintering furnace crane arrangement according to claim 6, characterized in that it further comprises a waste gas extraction mechanism (8), the waste gas extraction mechanism (8) comprising:
the four sides of the top of the lifting plate (32) are provided with the fixed plates (80);
the mounting disc (81) is connected between the fixing plates (80);
an exhaust fan (82) is arranged on the mounting plate (81).
8. A high temperature vacuum sintering furnace crane assembly according to claim 4, wherein the front shielding plate (52) is semi-circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011400732.1A CN112484481A (en) | 2020-12-02 | 2020-12-02 | Lifting frame device of high-temperature vacuum sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011400732.1A CN112484481A (en) | 2020-12-02 | 2020-12-02 | Lifting frame device of high-temperature vacuum sintering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112484481A true CN112484481A (en) | 2021-03-12 |
Family
ID=74939165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011400732.1A Withdrawn CN112484481A (en) | 2020-12-02 | 2020-12-02 | Lifting frame device of high-temperature vacuum sintering furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112484481A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008040A (en) * | 2021-03-17 | 2021-06-22 | 万博汇电子实业(定南)有限公司 | Vacuum sintering furnace capable of being cooled rapidly |
| CN113108594A (en) * | 2021-04-01 | 2021-07-13 | 赣州市恒源科技股份有限公司 | Intelligent smelting furnace for industrial novel rare earth processing |
| CN113124657A (en) * | 2021-04-01 | 2021-07-16 | 赣州市恒源科技股份有限公司 | Neodymium iron boron waste material high temperature drying firing equipment |
-
2020
- 2020-12-02 CN CN202011400732.1A patent/CN112484481A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008040A (en) * | 2021-03-17 | 2021-06-22 | 万博汇电子实业(定南)有限公司 | Vacuum sintering furnace capable of being cooled rapidly |
| CN113108594A (en) * | 2021-04-01 | 2021-07-13 | 赣州市恒源科技股份有限公司 | Intelligent smelting furnace for industrial novel rare earth processing |
| CN113124657A (en) * | 2021-04-01 | 2021-07-16 | 赣州市恒源科技股份有限公司 | Neodymium iron boron waste material high temperature drying firing equipment |
| CN113124657B (en) * | 2021-04-01 | 2022-07-01 | 赣州市恒源科技股份有限公司 | Neodymium iron boron waste material high temperature drying firing equipment |
| CN113108594B (en) * | 2021-04-01 | 2022-08-16 | 赣州市恒源科技股份有限公司 | Intelligent smelting furnace for industrial novel rare earth processing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112484481A (en) | Lifting frame device of high-temperature vacuum sintering furnace | |
| CN202636599U (en) | Electric pressure cooker capable of quickly cooling inner cooker | |
| CN211199324U (en) | Quenching device for gear machining | |
| CN114453441A (en) | Novel automatic hot rolling device | |
| CN211806698U (en) | Automatic cold pressing device for multilayer boards | |
| CN205427756U (en) | Computer vertical lift radiator | |
| CN116281724A (en) | Auxiliary device for mounting solar photovoltaic panel | |
| CN214399698U (en) | Elevating gear is used in electromechanical installation of highway | |
| CN212247125U (en) | Adjustable heat treatment trolley | |
| CN2365550Y (en) | Electric up-down holder for exhausting hood for removing cooking fumes | |
| CN212994151U (en) | Tealeaves evaporates blue or green equipment convenient to material loading | |
| CN218915922U (en) | Safety high sintering furnace | |
| CN212311240U (en) | Rotating device for sheet metal part machining | |
| CN220461792U (en) | Middle plate shaping device for aerospace engineering | |
| CN220707466U (en) | High-efficient heating machine | |
| CN214290663U (en) | Forging furnace convenient to installation | |
| CN217437023U (en) | Inorganic processing automatic feeding device of board of precoating | |
| CN217446503U (en) | Can improve spherical tea processing efficiency's tea processing equipment | |
| CN219746709U (en) | Titanium alloy electrode welding device | |
| CN220788676U (en) | Aluminum casting heat treatment device | |
| CN218572540U (en) | High-efficient sterilization cabinet capable of driving materials to roll | |
| CN211413933U (en) | Burr strickles device off for metalworking | |
| CN219599321U (en) | Auxiliary fixing mechanism for part assembly | |
| CN117123721A (en) | Solid solution forging equipment and process for aluminum alloy parts | |
| CN217686590U (en) | Environment-friendly energy-saving sintering 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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210312 |