CN212894855U - Auxiliary discharging device of mesh belt quenching furnace - Google Patents
Auxiliary discharging device of mesh belt quenching furnace Download PDFInfo
- Publication number
- CN212894855U CN212894855U CN202021217192.9U CN202021217192U CN212894855U CN 212894855 U CN212894855 U CN 212894855U CN 202021217192 U CN202021217192 U CN 202021217192U CN 212894855 U CN212894855 U CN 212894855U
- Authority
- CN
- China
- Prior art keywords
- plate
- horizontal pole
- cylinder
- slide rail
- plates
- 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.)
- Expired - Fee Related
Links
- 238000007599 discharging Methods 0.000 title claims abstract description 21
- 238000010791 quenching Methods 0.000 title claims abstract description 16
- 230000000171 quenching effect Effects 0.000 title claims abstract description 16
- 238000009826 distribution Methods 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Heat Treatment Of Articles (AREA)
Abstract
The utility model discloses a mesh belt quenching furnace assists discharging device, including the sideslip frame, the sideslip frame is equipped with first horizontal pole and second horizontal pole including the perpendicular backup pad that is the mirror image distribution mutually between the perpendicular backup pad, be equipped with the third horizontal pole between first horizontal pole and the second horizontal pole, the second horizontal pole back is equipped with first slide rail, the third horizontal pole back is equipped with the second slide rail, all be equipped with array distribution's first slider on first slide rail and the second slide rail, first slider one side is equipped with the perpendicular frame that moves jointly, it includes the landing slab to erect the frame that moves, the landing slab is fixed on first slider, be equipped with the holding frame on the landing slab, wherein be equipped with servo motor in the perpendicular backup pad of one side, servo motor one side is equipped with the lead screw, be equipped with the lead screw piece on the lead screw, the lead screw piece. The utility model discloses discharging efficiency is high, and the installation and the later maintenance of the operating personnel of being convenient for are favorable to producing the line adjustment simultaneously, have reduceed operating personnel's intensity of labour, are favorable to guaranteeing operating personnel's personal safety.
Description
Technical Field
The utility model relates to a discharging device field specifically is a supplementary discharging device of guipure quenching furnace.
Background
The mesh belt furnace is a sintering furnace which realizes the continuous conveying of parts in the furnace by a mesh belt protected by a muffle, and is mainly used for sintering powder metallurgy products, reducing metal powder and pre-sintering, sintering or heat treatment of electronic products in protective atmosphere or air. The whole set of equipment consists of three parts, namely a furnace body, a mesh belt transmission system and a temperature control system, wherein the furnace body consists of a feeding section, a pre-sintering section, a slow cooling section, a water cooling section and a discharging section. The mesh belt transmission system comprises a high-temperature-resistant mesh belt, a transmission device and the like, the running speed of the mesh belt is adjusted by a frequency converter, and a digital display type mesh belt speed measuring device is configured to directly read the mesh belt speed; the temperature control system is composed of a thermocouple, a digital display type, an intelligent PID regulator and a silicon controlled rectifier, a closed-loop control system is formed, automatic and accurate temperature control can be achieved, a heating element adopts an FEC ceramic heating plate or a ceramic heating rod, heat-resistant steel mesh belt conveying and large wrap angle tensioning wheel design concept, after product heat treatment is finished, other treatment procedures are generally carried out, and in order to improve the product discharging efficiency, the auxiliary discharging device of the mesh belt quenching furnace is provided aiming at the situation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a discharge device is assisted to guipure quenching furnace, discharging efficiency is high, and the operation personnel's of being convenient for installation and later maintenance are favorable to producing the line adjustment simultaneously, have reduceed operation personnel's intensity of labour, are favorable to guaranteeing operation personnel's personal safety.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a mesh belt quenching furnace assists discharging device, includes the sideslip frame, the sideslip frame is equipped with first horizontal pole and second horizontal pole including the perpendicular backup pad that is the mirror image distribution mutually between the perpendicular backup pad, be equipped with the third horizontal pole between first horizontal pole and the second horizontal pole, the second horizontal pole back is equipped with first slide rail, the third horizontal pole back is equipped with the second slide rail, all be equipped with array distribution's first slider on first slide rail and the second slide rail, first slider one side is equipped with jointly and erects the frame, erect and move the frame and include the landing slab, the landing slab is fixed on first slider, be equipped with the holding frame on the landing slab.
Further, erect the backup pad lower extreme and all be equipped with first PMKD, first PMKD one side is equipped with erects and strengthens the backup pad, be equipped with the first locating hole of array distribution in the perpendicular backup pad, still be equipped with the dead eye in the perpendicular backup pad, be equipped with servo motor in the perpendicular backup pad of one side wherein, servo motor one side is equipped with the lead screw, lead screw one end is equipped with the shaft coupling of linking the servo motor drive shaft, be equipped with the lead screw piece on the lead screw, be equipped with the second locating hole of array distribution on the lead screw piece, the lead screw piece is fixed at the landing slab back, first horizontal pole, second horizontal pole is equipped with the auxiliary stay board with third horizontal pole one side jointly, the auxiliary stay board lower extreme all is equipped with the second PMKD, still be equipped with first tank area on.
Furthermore, the first cross rod is also provided with range finders distributed in an array manner, and the range finders are provided with range heads.
Further, landing slab one side is equipped with the third slide rail that the array distributes, landing slab one side still is equipped with tank band board, be equipped with first slider on the third slide rail equally, be equipped with the second tank area on the tank band board, still be equipped with the cylinder mounting bracket on the landing slab, cylinder mounting bracket lower extreme is equipped with the cylinder mounting panel, first cylinder is fixed on the cylinder mounting panel, first cylinder upper end is equipped with first telescopic link, first cylinder upper end still is equipped with first cylinder fixed plate, be equipped with the through-hole on the first cylinder fixed plate, third slide rail lower extreme still is equipped with the anticollision seat, be equipped with the buffer on the anticollision seat.
Further, the holding frame is including fixing the grip block on the first slider that is equipped with on the third slide rail, and the grip block both sides are equipped with the collateral branch fagging, are equipped with tank area fixed plate on the collateral branch fagging of one side, and second tank area one end is linked to tank area fixed plate, and collateral branch fagging upper end is equipped with the clamping jaw board jointly, and first telescopic link is fixed at clamping jaw board lower extreme.
Furthermore, the clamping jaw plate is provided with second cylinder fixing plates which are mutually distributed in a mirror image manner, the inner sides of the second cylinder fixing plates are respectively provided with a second cylinder, the second cylinder fixing plates are provided with a third positioning hole, the clamping jaw plate is provided with a slot, one side of the second cylinder is provided with a second telescopic rod, the top ends of the second telescopic rods are respectively provided with a connecting plate, the lower ends of the clamping jaw plates are respectively provided with a fourth slide rail which is distributed in an array manner, the fourth slide rail is respectively provided with a second slide block, the second slide blocks on the same side of different fourth slide rails are respectively provided with a clamping plate linking plate, the clamping plate linking plates are respectively provided with a clamping plate, the clamping plate is provided with fourth positioning holes which are distributed in an array manner, the lower side of the clamping plate is provided with fifth positioning holes which are distributed in an array manner, the clamping plate linking plate is provided with sixth positioning holes which are, fixing screws distributed in an array mode are arranged in the seventh positioning hole, and heat-resistant clamping blocks are arranged on the inner sides of the clamping jaws.
The utility model has the advantages that:
1. the utility model has high discharging efficiency, is convenient for the installation and later maintenance of operating personnel, and is beneficial to the adjustment of a production line;
2. the utility model discloses reduce operation personnel's intensity of labour, be favorable to guaranteeing operation personnel's personal safety.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of an auxiliary discharging device of a mesh belt quenching furnace of the present invention;
FIG. 2 is a schematic view of the structure of the net lateral moving bracket of the present invention;
FIG. 3 is a schematic view of a part of the structure of the auxiliary discharging device of the mesh belt quenching furnace of the present invention;
fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
The utility model provides a mesh belt quenching furnace assists discharging device, including sideslip frame 1, as shown in fig. 1, fig. 2, fig. 3, sideslip frame 1 is including being the perpendicular backup pad 11 of mirror image distribution each other, be equipped with first horizontal pole 12 and second horizontal pole 13 between the perpendicular backup pad 11, be equipped with third horizontal pole 14 between first horizontal pole 12 and the second horizontal pole 13, the second horizontal pole 13 back is equipped with first slide rail 131, the third horizontal pole 14 back is equipped with second slide rail 141, all be equipped with array distribution's first slider 17 on first slide rail 131 and the second slide rail 141, first slider 17 one side is equipped with jointly and erects frame 2, it includes landing slab 21 to erect frame 2, landing slab 21 is fixed on first slider 17, be equipped with supporting frame 3 on the landing slab 21.
The lower ends of the vertical supporting plates 11 are respectively provided with a first fixing bottom plate 111, as shown in fig. 1 and fig. 2, one side of the first fixing bottom plate 111 is provided with a vertical reinforcing supporting plate 112, the vertical supporting plates 11 are provided with first positioning holes 113 distributed in an array manner, the vertical supporting plates 11 are further provided with bearing holes 114, be equipped with servo motor 16 on the perpendicular backup pad 11 of one side wherein, servo motor 16 one side is equipped with lead screw 161, lead screw 161 one end is equipped with the shaft coupling 162 of linking the servo motor drive shaft, be equipped with lead screw block 163 on the lead screw 161, be equipped with the second locating hole 164 that the array distributes on the lead screw block 163, lead screw block 163 is fixed at the landing slab 21 back, first horizontal pole 12, second horizontal pole 13 is equipped with auxiliary support plate 15 jointly with third horizontal pole 14 one side, auxiliary support plate 15 lower extreme all is equipped with second PMKD 151, still be equipped with first tank area 18 on the second horizontal pole 13, the back at landing slab 21 is fixed to first tank area 18 one end.
The first cross bar 12 is further provided with range finders 121 distributed in an array, and the range finders 121 are provided with range heads 122.
The holding frame 3 is including fixing the grip block 31 on the first slider 17 that is equipped with on the third slide rail 22, as shown in fig. 3, fig. 4, and grip block 31 both sides are equipped with collateral branch fagging 32, are equipped with tank area fixed plate 321 on the collateral branch fagging 32 of one side, and second tank area 26 one end is linked to tank area fixed plate 321, and collateral branch fagging 32 upper end is equipped with clamping jaw board 33 jointly, and first telescopic link 251 is fixed at clamping jaw board 33 lower extreme.
The clamping jaw plate 33 is provided with second cylinder fixing plates 331 distributed in a mirror image manner, as shown in fig. 4, the inner sides of the second cylinder fixing plates 331 are respectively provided with a second cylinder 34, the second cylinder fixing plates 331 are provided with third positioning holes 332, the clamping jaw plate 33 is provided with a slot 333, one side of the second cylinder 34 is provided with a second telescopic rod 341, the top ends of the second telescopic rods 341 are respectively provided with a connecting plate 342, the lower end of the clamping jaw plate 33 is provided with fourth slide rails 35 distributed in an array manner, the fourth slide rails 35 are respectively provided with a second slide block 351, the second slide blocks 351 on the same side of the fourth slide rails 35 are commonly provided with a clamping plate linking plate 37, the clamping plate linking plate 37 is respectively provided with a clamping plate 36, the clamping plate 36 is provided with fourth positioning holes 361 distributed in an array manner, the clamping plate 36 is also provided with a weight reducing groove 362, the lower side of the clamping plate 36 is provided with fifth, clamping jaws 38 are arranged at the lower ends of the clamping plates 36, the connecting plates 342 are connected with the clamping plate link plates 37, seventh positioning holes 381 which are distributed in an array mode are formed in the clamping jaws 38, fixing screws 382 which are distributed in an array mode are arranged in the seventh positioning holes 381, and heat-resisting clamping blocks 383 are arranged on the inner sides of the clamping jaws 38.
When the device is used, the platform plate 21 is moved to one side of the transverse frame 1 by using the screw rod mechanism on the transverse frame 1, the height of the clamping jaw plate 33 is adjusted by using the first air cylinder 25, the second air cylinder 34 is started, the heat-resistant clamping block 383 is used for clamping a product, the platform plate 21 is moved to the other side of the transverse frame 1 by using the screw rod mechanism on the transverse frame 1, and the product is placed on a required transfer trolley.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a mesh belt quenching furnace auxiliary discharging device, including sideslip frame (1), a serial communication port, sideslip frame (1) is equipped with first horizontal pole (12) and second horizontal pole (13) including perpendicular backup pad (11) that are mirror image distribution each other between perpendicular backup pad (11), be equipped with third horizontal pole (14) between first horizontal pole (12) and second horizontal pole (13), second horizontal pole (13) back is equipped with first slide rail (131), third horizontal pole (14) back is equipped with second slide rail (141), all be equipped with first slider (17) that the array distributes on first slide rail (131) and second slide rail (141), first slider (17) one side is equipped with jointly and erects frame (2), it includes landing slab (21) to erect frame (2), landing slab (21) are fixed on first slider (17), be equipped with clamping frame (3) on landing slab (21).
2. The mesh belt quenching furnace auxiliary discharging device of claim 1, wherein the lower ends of the vertical supporting plates (11) are respectively provided with a first fixing bottom plate (111), one side of the first fixing bottom plate (111) is provided with a vertical reinforcing supporting plate (112), the vertical supporting plates (11) are provided with first positioning holes (113) distributed in an array manner, the vertical supporting plates (11) are further provided with bearing holes (114), the vertical supporting plate (11) on one side is provided with a servo motor (16), one side of the servo motor (16) is provided with a screw rod (161), one end of the screw rod (161) is provided with a coupling (162) connected with a driving shaft of the servo motor, the screw rod (161) is provided with a screw rod block (163), the screw rod block (163) is provided with second positioning holes (164) distributed in an array manner, the screw rod block (163) is fixed on the back of the platform plate (21), one sides of the first cross rod (12), the second cross rod (13) and the third, the lower end of the auxiliary supporting plate (15) is provided with a second fixed bottom plate (151), the second cross rod (13) is provided with a first tank belt (18), and one end of the first tank belt (18) is fixed on the back of the platform plate (21).
3. The mesh belt quenching furnace auxiliary discharging device of claim 1, wherein the first cross bar (12) is further provided with distance measuring devices (121) distributed in an array manner, and the distance measuring devices (121) are provided with distance measuring heads (122).
4. The auxiliary discharging device of the mesh belt quenching furnace of claim 1, platform board (21) one side is equipped with third slide rail (22) that the array distributes, platform board (21) one side still is equipped with tank band board (23), be equipped with first slider (17) on third slide rail (22) equally, be equipped with second tank area (26) on tank band board (23), still be equipped with cylinder mounting bracket (24) on platform board (21), cylinder mounting bracket (24) lower extreme is equipped with cylinder mounting panel (241), first cylinder (25) are fixed on cylinder mounting panel (241), first cylinder (25) upper end is equipped with first telescopic link (251), first cylinder (25) upper end still is equipped with first cylinder fixed plate (252), be equipped with through-hole (253) on first cylinder fixed plate (252), third slide rail (22) lower extreme still is equipped with anticollision seat (231), be equipped with buffer (232) on anticollision seat (231).
5. The auxiliary discharging device of the mesh belt quenching furnace as claimed in claim 1, wherein the clamping frame (3) comprises a clamping plate (31) fixed on a first sliding block (17) arranged on a third sliding rail (22), two sides of the clamping plate (31) are provided with side supporting plates (32), a tank belt fixing plate (321) is arranged on one side of the side supporting plate (32), one end of a second tank belt (26) is connected with the tank belt fixing plate (321), the upper ends of the side supporting plates (32) are provided with clamping jaw plates (33) together, and a first telescopic rod (251) is fixed at the lower ends of the clamping jaw plates (33).
6. The auxiliary discharging device of the mesh belt quenching furnace as claimed in claim 5, wherein the jaw plate (33) is provided with second cylinder fixing plates (331) distributed in a mirror image manner, the inner sides of the second cylinder fixing plates (331) are provided with second cylinders (34), the second cylinder fixing plates (331) are provided with third positioning holes (332), the jaw plate (33) is provided with slots (333), one side of each second cylinder (34) is provided with a second telescopic rod (341), the top ends of the second telescopic rods (341) are provided with connecting plates (342), the lower end of the jaw plate (33) is provided with fourth slide rails (35) distributed in an array manner, the fourth slide rails (35) are provided with second slide blocks (351), the second slide blocks (351) on the same side of different fourth slide rails (35) are provided with clamping plate linking plates (37), and the clamping plates (36) are provided on the clamping plate linking plates (37), be equipped with fourth locating hole (361) that the array distributes on splint (36), still be equipped with on splint (36) and subtract heavy groove (362), splint (36) downside is equipped with fifth locating hole (363) that the array distributes, be equipped with sixth locating hole (371) that the array distributes on splint chain plate (37), splint (36) lower extreme all is equipped with clamping jaw (38), splint chain plate (37) are linked in connecting plate (342), be equipped with seventh locating hole (381) that the array distributes on clamping jaw (38), be equipped with set screw (382) that the array distributes in seventh locating hole (381), clamping jaw (38) inboard all is equipped with heat-resisting clamp splice (383).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021217192.9U CN212894855U (en) | 2020-06-25 | 2020-06-25 | Auxiliary discharging device of mesh belt quenching furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021217192.9U CN212894855U (en) | 2020-06-25 | 2020-06-25 | Auxiliary discharging device of mesh belt quenching furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212894855U true CN212894855U (en) | 2021-04-06 |
Family
ID=75280779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021217192.9U Expired - Fee Related CN212894855U (en) | 2020-06-25 | 2020-06-25 | Auxiliary discharging device of mesh belt quenching furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212894855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676359A (en) * | 2020-06-25 | 2020-09-18 | 安徽科技学院 | Auxiliary discharging device of mesh belt quenching furnace |
-
2020
- 2020-06-25 CN CN202021217192.9U patent/CN212894855U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676359A (en) * | 2020-06-25 | 2020-09-18 | 安徽科技学院 | Auxiliary discharging device of mesh belt quenching furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212894855U (en) | Auxiliary discharging device of mesh belt quenching furnace | |
| CN202527695U (en) | Detaching-buckling device for steel ladle heat-preserving cover | |
| CN108588358A (en) | A kind of aluminium alloy forces shaping equipment and aluminum alloy heat processing method | |
| CN111676359A (en) | Auxiliary discharging device of mesh belt quenching furnace | |
| CN111348549B (en) | Rail mounted automatic feeding | |
| CN218175027U (en) | Metal workpiece surface heat treatment device | |
| CN111169957A (en) | Heat exchanger fin gets piece device, heat exchanger fin transfer equipment | |
| CN204842954U (en) | Package motion in middle of amorphous strip production line and amorphous strip are smelted | |
| US7140416B2 (en) | Continuous metal strip casting plant | |
| CN212451536U (en) | Automatic discharging and transporting integrated equipment of muffle roller type mesh belt quenching furnace | |
| CN217095596U (en) | Continuous casting billet alignment device of continuous casting billet conveying roller way | |
| CN213060956U (en) | Preheating device for heating furnace | |
| CN111705200A (en) | Automatic discharging and transporting integrated equipment of muffle roller type mesh belt quenching furnace | |
| CN211471497U (en) | Feeding machine of muffle roller type mesh belt quenching furnace | |
| CN112981061A (en) | Heat treatment device with anti-scald structure for valve machining | |
| CN219669368U (en) | Aluminium ingot conveyor | |
| CN215725044U (en) | Movable feeding device for metal ingot of melting furnace | |
| CN216550590U (en) | Furnace charging tool for heat treatment of workpiece | |
| CN219823455U (en) | Lifting device for aluminum ingot production | |
| CN217149259U (en) | Environmental protection and energy saving type platform truck stove | |
| CN211687182U (en) | Heat exchanger fin gets piece device, heat exchanger fin transfer equipment | |
| CN220005918U (en) | Telescopic electromagnetic stirring device | |
| CN202667635U (en) | Multidirectional movement buggy ladle | |
| CN215864686U (en) | Conveying and cooling device for refractory brick production | |
| CN209652377U (en) | A kind of bolster side frame Equipment for Heating Processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210406 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |