CN217947621U - Tank packaging equipment - Google Patents

Tank packaging equipment Download PDF

Info

Publication number
CN217947621U
CN217947621U CN202222237061.2U CN202222237061U CN217947621U CN 217947621 U CN217947621 U CN 217947621U CN 202222237061 U CN202222237061 U CN 202222237061U CN 217947621 U CN217947621 U CN 217947621U
Authority
CN
China
Prior art keywords
rotating
rack
connecting plate
rotating rollers
cover
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.)
Active
Application number
CN202222237061.2U
Other languages
Chinese (zh)
Inventor
陆海华
陈树冬
张立
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boshile Automation Technology Kunshan Co ltd
Original Assignee
Boshile Automation Technology Kunshan Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Boshile Automation Technology Kunshan Co ltd filed Critical Boshile Automation Technology Kunshan Co ltd
Priority to CN202222237061.2U priority Critical patent/CN217947621U/en
Application granted granted Critical
Publication of CN217947621U publication Critical patent/CN217947621U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Closing Of Containers (AREA)

Abstract

The application relates to the technical field of packaging, in particular to tank body packaging equipment which comprises a rack, wherein the rack is provided with a plurality of lower cover mechanisms and a plurality of vertical guide rods, the guide rods are connected to the rack, and the guide rods are used for guiding a cover to fall; each lower cover mechanism comprises a connecting plate, a driving assembly, two rotating rollers and a lower releasing belt, the connecting plate is arranged on the rack, the driving assembly is arranged on the connecting plate, the two rotating rollers are rotatably connected to the connecting plate, the two rotating rollers are parallel to each other and are positioned on the same vertical plane, the lower releasing belt is sleeved on the two rotating rollers, and the driving assembly is used for driving one of the two rotating rollers to rotate; the lower is taken and is provided with a plurality of spacing strips that are parallel to each other, and spacing strip is used for the butt lid, and the distance between two adjacent spacing strips equals the height of lid. This application has the effect of transferring in order of realizing the lid.

Description

Tank packaging equipment
Technical Field
The application relates to the technical field of packaging, in particular to a tank body packaging device.
Background
The can sealing machine is used for sealing various circular can packaging boxes of daily food cans such as pop cans, plastic bottles, paper tubes, paper cans, metal cans, traditional Chinese medicine decoction pieces and the like, is one of indispensable mechanical devices in modern society, greatly lightens the workload of workers, improves the production efficiency and economic benefits of factories,
a conventional can seamer includes a cover dropping mechanism for placing circular covers one by one on cans and a cover sealing mechanism for curling and hooking the covers and the can mouths to each other, thereby sealing the cans. The lid all is vertical unloading in common can seamer, the mechanism that falls to cover includes backstop piece and cylinder, the backstop piece is connected on the telescopic link of cylinder, can seamer is at the course of the work, the telescopic link withdrawal of cylinder, thereby the backstop piece leaves the lid and falls on the jar under, the telescopic link of cylinder stretches out again, the backstop piece stretches into between two lids of below, the backstop piece forms the backstop to the lid of below lid top, thereby realize that the whereabouts of lid is laid.
However, due to the error of the production height of a small number of cans, after the lowermost cover falls on the cans, the height of the lowermost cover is slightly changed, so that the stop piece cannot accurately extend between the two lowermost covers, and the working continuity of the can sealing machine is affected.
Therefore, the application provides the tank body packaging equipment to solve the problems.
SUMMERY OF THE UTILITY MODEL
In order to realize putting in order of lid, this application provides a jar body encapsulation equipment.
The application provides a jar body encapsulation equipment adopts following scheme:
the tank body packaging equipment comprises a rack, wherein a plurality of lower cover mechanisms and a plurality of vertical guide rods are arranged on the rack, the guide rods are connected to the rack, and the guide rods are used for guiding a cover to fall;
each lower cover mechanism comprises a connecting plate, a driving assembly, two rotating rollers and a lower releasing belt, the connecting plate is arranged on the rack, the driving assembly is arranged on the connecting plate, the two rotating rollers are rotatably connected to the connecting plate, the two rotating rollers are parallel to each other and are positioned on the same vertical surface, the lower releasing belt is sleeved on the two rotating rollers, and the driving assembly is used for driving one of the two rotating rollers to rotate; a plurality of limiting strips which are parallel to each other are arranged on the downward-placing belt and used for abutting against the cover, and the distance between every two adjacent limiting strips is equal to the height of the cover.
By adopting the technical scheme, the driving assembly drives the rotating roller to rotate, so that the lower belt is driven to move on the rotating roller; put down spacing butt lid in the area, each lid all can be by a plurality of spacing centre grippings that correspond, along with put the motion in area down, can guide the orderly downstream of lid, when the lid moves to transferring and takes the minimum, the spacing of butt lid leaves the lid, and the lid can fall to the jar on to realize putting in order of lid.
In a specific possible embodiment, a plurality of slide rails are arranged on the rack, the plurality of slide rails are arranged along the radial direction of the cover, each connecting plate is provided with a sliding chute, and each sliding chute accommodates one slide rail; the connecting plate is provided with a through hole, a waist-shaped hole parallel to the sliding rail is formed in the rack, a bolt is arranged on the connecting plate, and the bolt penetrates through the through hole and the waist-shaped hole in sequence and then is connected with a nut in a screwing mode.
Through adopting above-mentioned technical scheme, adjust the position of connecting plate in the frame to can adjust the strength of spacing butt lid.
In a specific embodiment, be provided with the riser on the connecting plate, transfer the area cover and establish on the riser, the riser with transfer the area laminating, the riser is used for reducing it because of receiving the deformation that the lid extrusion produced to transfer the area down.
Through adopting above-mentioned technical scheme, the riser can be given and transferred the area and form the support to improve the stability of spacing butt lid, be favorable to realizing transferring in order of lid.
In a specific embodiment, the driving assembly includes a first servo motor, the first servo motor is disposed on the connecting plate, and a rotating shaft of the first servo motor is connected with a rotating shaft of a lower roller of the two rollers.
Through adopting above-mentioned technical scheme, first servo motor's pivot is rotated and can be driven and transfer the area motion.
In a specific possible embodiment, the device further comprises a second servo motor, a limit baffle, an upper rotating disc and a lower rotating disc, wherein the second servo motor is arranged on the rack, a rotating rod is connected to a rotating shaft of the second servo motor, the upper rotating disc and the lower rotating disc are both arranged on the rotating rod, the upper rotating disc is positioned above the lower rotating disc, the limit baffle is arranged on the rack, the limit baffle is arc-shaped, the limit baffle is positioned outside the lower rotating disc, and the limit baffle is used for limiting the motion track of the can; a plurality of positioning holes distributed along the circumference are formed in the upper rotary table, and a plurality of notches corresponding to the positioning holes are formed in the outer edge of the lower rotary table; and the guide rods are positioned above the upper rotating disc.
By adopting the technical scheme, the second servo motor can drive the rotating rod to rotate by rotating, so that the upper turntable and the lower turntable are driven to synchronously rotate; after the pot enters the notch on the lower turntable, the pot can move around the center of the lower turntable under the action of the limiting baffle.
In a specific embodiment, the device further comprises a conveying belt, wherein the conveying belt is arranged on the rack and is positioned below the lower rotating disc.
Through adopting above-mentioned technical scheme, the conveyer belt can be sent into the jar of taking the closing cap down in the breach of carousel to the jar that will accomplish the seal takes out of in the breach of carousel down.
In a specific embodiment, the device further comprises a capping mechanism, wherein the capping mechanism comprises a top can assembly and a sealing assembly, the top can assembly is arranged on the frame and is positioned below the lower rotating disc, and the top can mechanism is used for jacking up the can;
the sealing assembly comprises a pressure head, a rotating motor, a rotating bracket and a rotating wheel, the pressure head is connected with a connecting rod, the connecting rod is connected to the rack, and the pressure head is positioned above the upper rotating disc; the rotating bracket comprises a sleeve, the sleeve is sleeved on the connecting rod and is rotationally connected to the connecting rod, and the rotating wheel is rotationally connected to the rotating bracket; the rotating motor is arranged on the rack and used for driving the rotating support to rotate.
Through adopting above-mentioned technical scheme, the jar jack-up back is pushed up to top jar mechanism, lid and pressure head butt, and rotating electrical machines drive runing rest rotates and can drive the swiveling wheel and rotate to fix the lid on the jar.
In a specific possible embodiment, the top tank assembly comprises an air cylinder and a top plate, the air cylinder is arranged on the rack, the top plate is arranged on an expansion link of the air cylinder, the air cylinder and the top plate are both located below the lower rotary table, and the expansion link of the air cylinder can extend towards the pressure head.
Through adopting above-mentioned technical scheme, when the telescopic link of cylinder stretches out, the roof can be with the jar jack-up that is located on the roof.
In summary, the present application includes at least one of the following beneficial technical effects:
1. each lid all can be by a plurality of spacing centre grippings that correspond to along with put the motion in area down and orderly downstream, when the lid moves to putting and take the minimum, the spacing of butt lid leaves the lid, and the lid can fall to the jar on, thereby realizes putting in order of lid.
2. The riser can be given and transferred the area and form the support to improve the stability of spacing butt lid, be favorable to realizing transferring in order of lid.
Drawings
Fig. 1 is an overall perspective view of a can body packaging apparatus in an embodiment of the present application.
Fig. 2 is a schematic perspective view of a lower cover mechanism in an embodiment of the present application.
Fig. 3 is a perspective view of a riser in an embodiment of the present application.
Fig. 4 is a perspective view of a seal assembly in an embodiment of the present application.
FIG. 5 is a perspective view of a top can assembly according to an embodiment of the present application.
Description of the reference numerals:
11. a frame; 12. a second servo motor; 13. rotating the rod; 14. an upper turntable; 15. a lower turntable; 16. positioning holes; 17. a notch; 18. a conveyor belt; 19. a limiting baffle; 21. dropping a hole; 22. a guide rod; 23. a slide rail; 24. a connecting plate; 25. a kidney-shaped hole; 26. a bolt; 27. a straight plate; 28. rotating the roller; 29. placing the belt downwards; 30; a first servo motor; 31. a limiting strip; 32. a vertical plate; 33. a seal assembly; 34. a pressure head; 35. a connecting rod; 36. rotating the bracket; 37. a sleeve; 38. a disc; 39. a rotating wheel; 41. rotating the motor; 42. a gear; 43. a rack; 44. a top tank assembly; 45. a cylinder; 46. a top plate.
Detailed Description
The present application is described in further detail below with reference to fig. 1-5.
The application provides a jar body encapsulation equipment.
Examples
Referring to fig. 1, a can body packaging device comprises a frame 11, wherein a second servo motor 12 is arranged on the frame 11, a rotating shaft of the second servo motor 12 is connected with a rotating rod 13, the rotating rod 13 is connected with an upper rotating disk and a lower rotating disk 15 which are parallel to each other, the upper rotating disk 14 is positioned above the lower rotating disk 15, a plurality of positioning holes 16 distributed along the circumference are arranged on the upper rotating disk 14, a plurality of notches 17 are arranged on the outer edge of the lower rotating disk 15, and the plurality of notches 17 are the same in number and correspond to the plurality of positioning holes 16 one by one; the frame 11 is also provided with a conveyer belt 18 and an arc-shaped limit baffle 19, the conveyer belt 18 is positioned below the lower turntable 15, and the limit baffle 19 is adjacent to the lower turntable 15.
The can to be capped can be sent into the notch 17 of the lower rotary table 15, and under the action of the second servo motor 12, the upper rotary table 14 and the lower rotary table 15 synchronously rotate, so that the can in the notch 17 of the lower rotary table 15 can be driven to move around the center of the lower rotary table 15.
Referring to fig. 1, 2 and 3, a falling hole 21 is formed in the frame 11, two lower cover mechanisms and a plurality of vertical guide rods 22 are arranged on the frame 11, and the two lower cover mechanisms and the plurality of vertical guide rods 22 are both located at the falling hole 21, and the plurality of guide rods 22 can guide the cover to enter the falling hole 21; be equipped with two slide rails 23 on the frame 11, each slide rail 23 all along the radial setting of whereabouts hole 21, two slide rails 23 are located the both sides of whereabouts hole 21 respectively, and each lower cover mechanism all includes a connecting plate 24, all is equipped with a recess on each connecting plate 24, and two recesses hold a slide rail 23 respectively.
Two groups of kidney-shaped holes 25 are arranged on the rack 11, the two groups of kidney-shaped holes 25 are respectively positioned at the two slide rails 23, each group of kidney-shaped holes 25 comprises two kidney-shaped holes 25, and the two groups of kidney-shaped holes 25 are respectively positioned at two sides of the corresponding slide rails 23; each connecting plate 24 is provided with two through holes which respectively correspond to the two waist-shaped holes 25 at the two sides of the corresponding slide rail 23, and each through hole is communicated with the corresponding waist-shaped hole 25 at the lower part; two bolts 26 are arranged on each connecting plate 24, the two bolts 26 respectively penetrate through one through hole, and each bolt 26 is screwed with a nut after sequentially penetrating through the corresponding through hole and the kidney-shaped hole 25 below the corresponding through hole. Thus, each link plate 24 is slidable on the corresponding slide rail 23, and the position of each link plate 24 on the frame 11 can be adjusted.
Each connecting plate 24 is connected with two vertical straight plates 27, the two straight plates 27 are parallel to each other, each lower cover mechanism further comprises a driving assembly, two rotating rollers 28 and a lower placing belt 29, the two rotating rollers 28 and the lower placing belt 29 are located between the two straight plates 27, the two rotating rollers 28 are parallel to each other and located on the same vertical plane, two ends of each rotating roller 28 are respectively connected with one straight plate 27 through bearings, and the lower placing belt 29 is sleeved on the two rotating rollers 28; the driving assembly comprises a first servo motor 30, the first servo motor 30 is connected to one straight plate 27 of the two straight plates 27, and the rotating shaft of the lower rotating roller 28 of the two rotating rollers 28 is connected with the rotating shaft of the first servo motor 30. The lower belt 29 is movable on two rotating rollers 28 by a first servomotor 30.
Each is put and all is equipped with a plurality of spacing 31 on the area 29, spacing 31 is used for with the lid butt, a plurality of spacing 31 are parallel to each other, the distance before two adjacent spacing 31 equals the height of lid, the quantity of spacing 31 on two lower areas 29 is the same, one of them spacing 31 of putting on the area 29 of two lower areas 29 is put with another spacing 31 of putting on the area 29 common butt same lid, thereby each lid all can be by two spacing 31 centre clampings that correspond, along with the motion of putting area 29 down, the lid can be in order downstream.
Two corresponding straight boards 27 are connected with a riser 32 jointly, and the riser 32 is located and corresponds between two commentaries on classics rollers 28, and it establishes on riser 32 to correspond to put down area 29 cover, and riser 32 with correspond to put down the laminating of area 29, riser 32 is used for reducing and puts down the deformation that area 29 produced because of receiving the lid extrusion. Thereby, the riser 32 can be given and put down area 29 formation support, and then improves the stability of spacing 31 butt lid, is favorable to realizing putting in order of lid.
Referring to fig. 1 and 4, the can body packaging equipment further comprises a capping mechanism, the capping mechanism comprises a sealing assembly 33, the sealing assembly 33 comprises a pressure head 34, a rotating motor 41, a rotating bracket 36 and two rotating wheels 39, the frame 11 is connected with a vertical connecting rod 35, the connecting rod 35 is connected with the pressure head 34, and the pressure head 34 is positioned above the upper turntable 14; the rotating bracket 36 comprises a sleeve 37 and a disc 38, the sleeve 37 is sleeved on the connecting rod 35 and is connected with the connecting rod 35 through a bearing, the disc 38 is connected on the sleeve 37, and the two rotating wheels 39 are connected on the disc 38 through bearings; the rotating motor 41 is connected to the frame 11, a gear 42 is connected to a rotating shaft of the rotating motor 41, an annular rack 43 is arranged on the outer wall of the sleeve 37, and the gear 42 is meshed with the annular rack 43.
Referring to fig. 1 and 5, the tank sealing apparatus further includes a tank ejecting mechanism, the tank ejecting mechanism includes a cylinder 45 and a top plate 46, the cylinder 45 is connected to the frame 11, an expansion rod of the cylinder 45 faces the pressing head 34, the top plate 46 is connected to an expansion rod of the cylinder 45, and the top plate 46 and the cylinder 45 are both located below the lower turntable 15, so that when the expansion rod of the cylinder 45 is extended, the top plate 46 can eject the tank located on the top plate 46.
The implementation principle of the tank body packaging equipment in the embodiment of the application is as follows:
the lowering belt 29 is movable on the rotating roller 28 by the first servomotor 30; each cover can be clamped by the corresponding two limiting strips 31, and the covers can move downwards in order along with the movement of the lower placing belt 29; when the lid moves to the lowest position of the lowering belt 29, the stopper 31 abutting against the lid leaves the lid, and the lid can fall onto the can, thereby achieving orderly lowering of the lid.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a jar body encapsulation equipment which characterized in that: the automatic cover falling device comprises a rack (11), wherein a plurality of lower cover mechanisms and a plurality of vertical guide rods (22) are arranged on the rack (11), the guide rods (22) are all connected to the rack (11), and the guide rods (22) are used for guiding a cover to fall;
each lower cover mechanism comprises a connecting plate (24), a driving assembly, two rotating rollers (28) and a lower releasing belt (29), the connecting plate (24) is arranged on the rack (11), the driving assembly is arranged on the connecting plate (24), the two rotating rollers (28) are rotatably connected to the connecting plate (24), the two rotating rollers (28) are parallel to each other and are positioned on the same vertical plane, the lower releasing belt (29) is sleeved on the two rotating rollers (28), and the driving assembly is used for driving one of the two rotating rollers (28) to rotate; the lower placing belt (29) is provided with a plurality of limiting strips (31) which are parallel to each other, the limiting strips (31) are used for abutting against the cover, and the distance between every two adjacent limiting strips (31) is equal to the height of the cover.
2. The can body packaging apparatus of claim 1, wherein: a plurality of sliding rails (23) are arranged on the rack (11), the plurality of sliding rails (23) are arranged along the radial direction of the cover, each connecting plate (24) is provided with a sliding chute, and each sliding chute contains one sliding rail (23); the connecting plate (24) is provided with a through hole, the rack (11) is provided with a waist-shaped hole (25) parallel to the sliding rail (23), the connecting plate (24) is provided with a bolt (26), and the bolt (26) sequentially penetrates through the through hole and the waist-shaped hole (25) and then is screwed with a nut.
3. The can body packaging apparatus of claim 1, wherein: be provided with riser (32) on connecting plate (24), it establishes to put area (29) down on riser (32), riser (32) with put area (29) laminating down, riser (32) are used for reducing put area (29) down because of receiving the deformation that the lid extrusion produced.
4. The can body packaging apparatus of claim 1, wherein: the driving assembly comprises a first servo motor (30), the first servo motor (30) is arranged on the connecting plate (24), and a rotating shaft of the first servo motor (30) is connected with rotating shafts of the rotating rollers (28) located below the two rotating rollers (28).
5. A can body wrapping apparatus according to claim 1, further comprising: the tin pot support is characterized by further comprising a second servo motor (12), a limiting baffle (19), an upper rotary disc (14) and a lower rotary disc (15), wherein the second servo motor (12) is arranged on the frame (11), a rotary shaft of the second servo motor (12) is connected with the rotary rod (13), the upper rotary disc (14) and the lower rotary disc (15) are both arranged on the rotary rod (13), the upper rotary disc (14) is positioned above the lower rotary disc (15), the limiting baffle (19) is arranged on the frame (11), the limiting baffle (19) is arc-shaped, the limiting baffle (19) is positioned on the outer side of the lower rotary disc (15), and the limiting baffle (19) is used for limiting the motion track of a pot; a plurality of positioning holes (16) distributed along the circumference are formed in the upper rotary table (14), and a plurality of notches (17) corresponding to the positioning holes (16) are formed in the outer edge of the lower rotary table (15); the guide rods (22) are all positioned above the upper rotating disc (14).
6. A can body enclosing apparatus according to claim 5, wherein: the automatic conveying device is characterized by further comprising a conveying belt (18), wherein the conveying belt (18) is arranged on the rack (11), and the conveying belt (18) is located below the lower rotary table (15).
7. A can body enclosing apparatus according to claim 5, wherein: the automatic capping device further comprises a capping mechanism, wherein the capping mechanism comprises a top tank assembly (44) and a sealing assembly (33), the top tank assembly (44) is arranged on the frame (11), the top tank assembly (44) is positioned below the lower rotating disc (15), and the top tank mechanism is used for jacking up the tank;
the sealing assembly (33) comprises a pressure head (34), a rotating motor (41), a rotating bracket (36) and a rotating wheel (39), the pressure head (34) is connected with a connecting rod (35), the connecting rod (35) is connected to the rack (11), and the pressure head (34) is positioned above the upper turntable (14); the rotating bracket (36) comprises a sleeve (37), the sleeve (37) is sleeved on the connecting rod (35), the sleeve (37) is rotatably connected to the connecting rod (35), and the rotating wheel (39) is rotatably connected to the rotating bracket (36); the rotating motor (41) is arranged on the rack (11), and the rotating motor (41) is used for driving the rotating bracket (36) to rotate.
8. The can body packaging apparatus of claim 7, wherein: the top tank assembly (44) comprises an air cylinder (45) and a top plate (46), the air cylinder (45) is arranged on the rack (11), the top plate (46) is arranged on an expansion link of the air cylinder (45), the air cylinder (45) and the top plate (46) are both located below the lower rotary table (15), and the expansion link of the air cylinder (45) can extend towards the pressure head (34).
CN202222237061.2U 2022-08-24 2022-08-24 Tank packaging equipment Active CN217947621U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222237061.2U CN217947621U (en) 2022-08-24 2022-08-24 Tank packaging equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222237061.2U CN217947621U (en) 2022-08-24 2022-08-24 Tank packaging equipment

Publications (1)

Publication Number Publication Date
CN217947621U true CN217947621U (en) 2022-12-02

Family

ID=84231257

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222237061.2U Active CN217947621U (en) 2022-08-24 2022-08-24 Tank packaging equipment

Country Status (1)

Country Link
CN (1) CN217947621U (en)

Similar Documents

Publication Publication Date Title
US3714760A (en) High speed rotary container sealing machine with inclined sealing heads
CN106734685B (en) Cover supplying device of full-automatic high-speed manufacturing equipment for metal packaging tin
CN109264650B (en) Automatic capping machine of shield
CN209226547U (en) Adapt to the tin seamer of different tank body height
CN217947621U (en) Tank packaging equipment
CN214350833U (en) Intelligent bagging-off lantern ring gland dress frame all-in-one
CN112621253B (en) Intelligent bagging collar gland framing all-in-one machine
CN117163403A (en) Automatic cover folding and box sealing device and method for sealing upper end face of carton
CN214357031U (en) Fungus package charging installation
CN202686790U (en) Automatic streamline production line finished product packaging device
CN205011350U (en) Capping machine
CN207089695U (en) A kind of filling apparatus
CN117566164B (en) Novel cover placing equipment
CN216426690U (en) Full-automatic spiral cover machine
CN220595427U (en) Filling production system
CN221139801U (en) Can sealing device
CN215098813U (en) A packing bottle automatic positioning labeller for olive oil processing
CN213112460U (en) Full-automatic round bottle can sealing machine
CN205470092U (en) Heat sealing machine for bag mouth of soft packaging bag
CN112607116A (en) Fungus package charging installation
CN212712698U (en) Filling and sealing machine for producing oral liquid plastic bottles
CN219030070U (en) Labeling device
CN218617559U (en) Automatic putting-in mechanism of water absorption pad of plastic packaging box
CN221478597U (en) Apple conveying device capable of avoiding damage to apples
CN217805408U (en) Be used for automatic packing apparatus of ginseng

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant