CN219989543U - Packaging machine for calcium hydroxide production - Google Patents
Packaging machine for calcium hydroxide production Download PDFInfo
- Publication number
- CN219989543U CN219989543U CN202321445879.1U CN202321445879U CN219989543U CN 219989543 U CN219989543 U CN 219989543U CN 202321445879 U CN202321445879 U CN 202321445879U CN 219989543 U CN219989543 U CN 219989543U
- Authority
- CN
- China
- Prior art keywords
- calcium hydroxide
- box body
- block
- packaging
- guide
- 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
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 47
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 title claims abstract description 31
- 239000000920 calcium hydroxide Substances 0.000 title claims abstract description 31
- 229910001861 calcium hydroxide Inorganic materials 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 238000007599 discharging Methods 0.000 claims abstract description 25
- 238000003825 pressing Methods 0.000 claims description 16
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 9
- 238000012858 packaging process Methods 0.000 abstract description 5
- 235000011116 calcium hydroxide Nutrition 0.000 description 18
- 238000012856 packing Methods 0.000 description 18
- 238000009924 canning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a packaging machine for calcium hydroxide production, which comprises: the top of the box body is connected with a blanking bin; the discharging pipe is connected to the box body, a conical hopper is arranged on the discharging pipe, and the conical hopper is communicated with the blanking bin through the distributing bin; the discharging pipe is provided with a reamer conveying mechanism, the box body is provided with a clamping mechanism and a first guide groove, the clamping mechanism moves along the first guide groove, the bottom of the box body is provided with a support column, and the support column is connected with a packaging bag placing mechanism. The utility model can not only ensure that the fallen calcium hydroxide is conveyed into the packaging bag through the reamer conveying mechanism, so that the phenomena of material running, bag frying and the like can not occur, and the production safety is improved, but also can prevent the material running caused by the falling of the bag mouth in the packaging process by clamping the bag mouth on the discharging pipe through the clamping mechanism, and simultaneously, the packaging bag can move up and down under the action of the packaging bag placing mechanism, so that the pressure at the bag mouth is reduced, and the packaging effect is improved.
Description
Technical Field
The utility model relates to the technical field of packaging machines, in particular to a packaging machine for calcium hydroxide production.
Background
Calcium hydroxide is an inorganic compound commonly known as slaked lime or slaked lime.
Packaging machine is one of the indispensable equipment of calcium hydroxide production, mainly used packs calcium hydroxide. The phenomena of material running, package frying and the like easily occur in the production and packaging process of the packaging machine of the calcium hydroxide production workshop, and certain potential safety hazards exist.
Disclosure of Invention
The utility model aims to provide a technical scheme of a packaging machine for calcium hydroxide production aiming at the defects in the prior art, so that the problem of unstable blanking is effectively restrained, the working efficiency of workshop packaging is increased, the occurrence of safety accidents is reduced, and the workshop environment is sanitary and tidy.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a packaging machine for calcium hydroxide production, comprising:
the top of the box body is connected with a blanking bin;
the discharging pipe is connected to the box body, a conical hopper is arranged on the discharging pipe, and the conical hopper is communicated with the blanking bin through the distributing bin;
the method is characterized in that:
the discharging pipe is provided with a reamer conveying mechanism, the box body is provided with a clamping mechanism and a first guide groove, the clamping mechanism moves along the first guide groove, the bottom of the box body is provided with a support column, and the support column is connected with a packaging bag placing mechanism; through the design of above-mentioned structure, not only can make the calcium hydrate that falls carry to the wrapping bag in through reamer conveying mechanism, can not appear the phenomenon such as running material, fried package, improve production safety, can prevent to drop the sack of wrapping bag in the packaging process and cause the running material through clamping mechanism on the discharging pipe moreover, the wrapping bag can be under the effect of wrapping bag placing mechanism reciprocates simultaneously, reduces the pressure of sack department, improves the packing effect.
Further, the reamer conveying mechanism comprises a first motor and a reamer, the first motor is fixed on the box body, the reamer is connected with an output shaft of the first motor through a speed reducer, the reamer is located in the discharging pipe, and the reamer is driven to rotate through the first motor, so that materials can stably enter the packaging bag, and production safety is improved.
Further, clamping mechanism includes clamping assembly, lower clamping assembly, screw rod and second motor, and the second motor passes through first fixed plate to be connected in the box, and the output shaft screw rod of second motor, the second fixed plate is connected to the bottom of screw rod, and the second fixed plate is connected in the box, goes up clamping assembly and lower clamping assembly and all connects on the screw rod, drives the screw rod through the second motor and rotates, makes clamping assembly and lower clamping assembly be close to each other or separate, satisfies the clamping requirement to the sack, prevents to cause the sack to drop when carrying out the material packing.
Further, the screw is provided with two sections of thread sections with opposite rotation directions, so that the upper clamping assembly and the lower clamping assembly can move reversely, and the requirement of clamping a bag opening is met.
Further, go up clamping assembly and include clamping lid, last layering, cantilever, guide block and first booster block, go up the clamping lid and be fixed in the below of going up the layering through the connecting rod, go up the layering and connect in the one end of cantilever, the other end of cantilever passes through the guide block and connects first booster block, guide block and first guide slot assorted, first booster block is connected in the screw rod, drives through guide block and cantilever and goes up the layering and reciprocate through first booster block, and then can drive clamping lid and remove, is convenient for compress tightly or loosen the sack.
Further, lower clamping assembly includes clamping lid, lower layering, cantilever, guide block and second booster block down, and clamping lid is fixed in the top of layering down through the connecting rod down, and lower layering is connected in the one end of cantilever, and the second booster block is connected through the guide block to the other end of cantilever, and the guide block is matchd with first guide slot, and the second booster block is connected in the screw rod, drives down the layering through guide block and cantilever through the second booster block and reciprocates, and then can drive clamping lid down and remove, is convenient for compress tightly or loosen the sack.
Further, wrapping bag placing mechanism includes wrapping bag rack, bottom plate, lifting unit and spacing subassembly, and the wrapping bag rack passes through lifting unit and connects in the top of bottom plate, and the wrapping bag rack passes through spacing subassembly connection support column, drives the wrapping bag rack through lifting unit and reciprocates, can adjust the high position of wrapping bag, prevents that two wrapping bags from canning from mutually influencing, and spacing subassembly has improved the stability and the reliability that the wrapping bag rack reciprocated.
Further, lifting assembly includes pneumatic cylinder, lifter plate and guide arm, and the guide arm is fixed in on the bottom plate, and the lifter plate is connected in the both sides of wrapping bag rack, and the lifter plate removes to be connected on the guide arm, and the pneumatic cylinder is located on the bottom plate, and the pneumatic cylinder passes through the piston rod and connects the lifter plate, drives the lifter plate through the piston rod through the pneumatic cylinder and reciprocates, and then can adjust the high position of wrapping bag rack, and the guide arm has improved the stability and the reliability that the wrapping bag rack removed.
Further, spacing subassembly includes second guide slot and slider, and the second guide slot is located on the support column, and the slider is connected in wrapping bag rack, and slider and second guide slot assorted, slider can reciprocate along the second guide slot.
Further, be equipped with at least one arc wall on the wrapping bag rack, the arc wall is located the below of discharging pipe, and the wrapping bag is convenient for place to the arc wall, convenient and fast takes.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
1. not only can make the calcium hydrate that falls carry to the wrapping bag in through reamer conveying mechanism, can not appear the phenomenon such as material, fried package, improve production safety, can prevent to drop the sack and cause the material that runs in the packaging process through clamping mechanism with the sack clamping of wrapping bag on the discharging pipe moreover, the wrapping bag can reciprocate under the effect of wrapping bag placement machine constructs simultaneously, reduces the pressure of sack department, improves the packing effect.
2. The reamer is driven to rotate by the first motor, so that materials can stably enter the packaging bag, and the production safety is improved.
3. The screw is driven to rotate through the second motor, so that the upper clamping assembly and the lower clamping assembly are mutually close to or separated from each other, the clamping requirement on the bag opening is met, and the bag opening is prevented from falling off when materials are packaged.
4. The lifting assembly drives the packaging bag placing frame to move up and down, so that the height position of the packaging bag can be adjusted, two packaging bags are prevented from being mutually influenced during canning, and the limiting assembly improves the stability and reliability of the up-and-down movement of the packaging bag placing frame.
Description of the drawings:
the utility model is further described below with reference to the accompanying drawings:
FIG. 1 is an effect diagram of a packing machine for calcium hydroxide production according to the present utility model;
FIG. 2 is a schematic view of the structure of the direction A in FIG. 1;
FIG. 3 is a schematic view showing the internal structure of the case according to the present utility model;
fig. 4 is a schematic structural view of a clamping mechanism in the present utility model.
In the figure: 1-a box body; 2-blanking bins; 3-a control panel; 4-a discharging pipe; 5-clamping mechanism; 6-a first guide slot; 7-a bottom plate; 8-a packaging bag placing rack; 9-arc grooves; 10-lifting plates; 11-a guide rod; 12-a hydraulic cylinder; 13-a piston rod; 14-a first motor; 15-supporting columns; 16-a second guide slot; 17-a slider; 18-a material distributing bin; 19-a cone hopper; 20-mounting and clamping the cover; 21-clamping the cover downwards; 22-upper pressing strips; 23-pressing down strips; 24-connecting rods; 25-cantilever; 26-a guide block; 27-a first booster block; 28-a second booster block; 29-a first fixing plate; 30-a second fixing plate; 31-a screw; 32-a second motor.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, shall fall within the scope of the utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
As shown in fig. 1 to 4, the packing machine for calcium hydroxide production of the present utility model comprises a box body 1 and at least one discharging pipe 4, wherein a blanking bin 2 is connected to the top of the box body 1. In the utility model, 3 discharging pipes 4 are taken as an example, the discharging pipes 4 are connected to the box body 1, a conical hopper 19 is arranged on the discharging pipes 4, and the conical hopper 19 is communicated with the blanking bin 2 through a distributing bin 18. A control panel 3 is arranged on the side surface of the box body 1, and the control panel 3 is connected with an external power supply.
The discharging pipe 4 is provided with a reamer conveying mechanism, the reamer conveying mechanism comprises a first motor 14 and a reamer (not marked in the figure), the first motor 14 is fixed on the box body 1, the reamer is connected with an output shaft of the first motor 14 through a speed reducer, the reamer is positioned in the discharging pipe 4, and the reamer is driven to rotate through the first motor 14, so that materials can stably enter the packaging bag, and production safety is improved.
The box 1 is equipped with clamping mechanism 5 and first guide slot 6, clamping mechanism 5 moves along first guide slot 6, clamping mechanism 5 includes clamping component, lower clamping component, screw rod 31 and second motor 32, second motor 32 passes through first fixed plate 29 to be connected in box 1, the output shaft of second motor 32 connects screw rod 31, second fixed plate 30 is connected to the bottom of screw rod 31, second fixed plate 30 is connected in box 1, go up clamping component and lower clamping component all and connect on screw rod 31, drive screw rod 31 through second motor 32 and rotate, make clamping component and lower clamping component be close to each other or separate, satisfy the clamping requirement to the sack, prevent to cause the sack to drop when carrying out the material packing. The screw 31 is provided with two sections of threads with opposite rotation directions, so that the upper clamping assembly and the lower clamping assembly can move reversely, and the requirement of clamping a bag opening is met.
The upper clamping assembly comprises an upper clamping cover 20, an upper pressing strip 22, a cantilever 25, a guide block 26 and a first boosting block 27, wherein the upper clamping cover 20 is fixed below the upper pressing strip 22 through a connecting rod 24, the upper pressing strip 22 is connected to one end of the cantilever 25, the other end of the cantilever 25 is connected with the first boosting block 27 through the guide block 26, the guide block 26 is matched with the first guide groove 6, the first boosting block 27 is connected to a screw 31, and the upper pressing strip 22 is driven to move up and down through the guide block 26 and the cantilever 25 through the first boosting block 27, so that the upper clamping cover 20 can be driven to move, and the bag opening is conveniently pressed or loosened.
The lower clamping assembly comprises a lower clamping cover 21, a lower pressing strip 23, a cantilever 25, a guide block 26 and a second boosting block 28, wherein the lower clamping cover 21 is fixed above the lower pressing strip 23 through a connecting rod 24, the lower pressing strip 23 is connected to one end of the cantilever 25, the other end of the cantilever 25 is connected with the second boosting block 28 through the guide block 26, the guide block 26 is matched with the first guide groove 6, the second boosting block 28 is connected to a screw 31, and the lower pressing strip 23 is driven to move up and down through the guide block 26 and the cantilever 25 through the second boosting block 28, so that the lower clamping cover 21 can be driven to move, and the bag opening is convenient to compress or loosen. The upper clamping cover 20 and the lower clamping cover 21 are both arc-shaped.
The bottom of box 1 is equipped with support column 15, and support column 15 connects wrapping bag placing mechanism, and wrapping bag placing mechanism includes wrapping bag rack 8, bottom plate 7, lifting unit and spacing subassembly, and wrapping bag rack 8 passes through lifting unit and connects in the top of bottom plate 7, and wrapping bag rack 8 passes through spacing subassembly and connects support column 15, drives wrapping bag rack 8 through lifting unit and reciprocates, can adjust the high position of wrapping bag, prevents that two wrapping bags from influencing each other, and spacing subassembly has improved the stability and the reliability that wrapping bag rack 8 reciprocated. Be equipped with at least one arc wall 9 on wrapping bag rack 8, arc wall 9 is located the below of discharging pipe 4, and arc wall 9 is convenient for place the wrapping bag, takes convenient and fast.
The lifting assembly comprises a hydraulic cylinder 12, a lifting plate 10 and a guide rod 11, wherein the guide rod 11 is fixed on the bottom plate 7, the lifting plate 10 is connected to two sides of the packaging bag placing frame 8, the lifting plate 10 is movably connected to the guide rod 11, the hydraulic cylinder 12 is arranged on the bottom plate 7, the hydraulic cylinder 12 is connected with the lifting plate 10 through a piston rod 13, the lifting plate 10 is driven to move up and down through the piston rod 13 by the hydraulic cylinder 12, the height position of the packaging bag placing frame 8 can be adjusted, and the guide rod 11 improves the stability and reliability of the movement of the packaging bag placing frame 8. The hydraulic cylinder 12 is connected to an external hydraulic tank.
The limiting component comprises a second guide groove 16 and a sliding block 17, the second guide groove 16 is arranged on the supporting column 15, the sliding block 17 is connected to the packaging bag placing frame 8, the sliding block 17 is matched with the second guide groove 16, the sliding block 17 can move up and down along the second guide groove 16, and in order to further improve stability, the sliding block 17 can be of a T-shaped structure. Through the design of above-mentioned structure, not only can make the calcium hydrate that falls carry to the wrapping bag in through reamer conveying mechanism, can not appear the phenomenon such as material running, fried package, improve production safety, can prevent to drop the sack and cause the material running in the packaging process through clamping mechanism 5 on discharging pipe 4 moreover with the sack clamping of wrapping bag, the wrapping bag can reciprocate under the effect of wrapping bag placement machine constructs simultaneously, reduces the pressure of sack department, improves the packing effect.
When the packing bag is in actual use, the clamping mechanism is firstly opened, the bag opening of the packing bag is sleeved on the discharge hole, then the clamping mechanism is used for fixing the bag opening on the discharge pipe, then the lifting assembly is started, the height of the packing bag placing frame is increased, the bottom of the packing bag is close to the discharge pipe, then the reamer conveying mechanism is started, calcium hydroxide is fed into the packing bag, the height of the packing bag placing frame is reduced along with the increase of the calcium hydroxide in the packing bag until the packing bag is completely filled with the required calcium hydroxide, the clamping mechanism is opened, meanwhile, the packing bag placing frame is lowered to the lowest position, the packing bag is taken out, and the empty packing bag is replaced.
The above is only a specific embodiment of the present utility model, but the technical features of the present utility model are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present utility model to achieve substantially the same technical effects are included in the scope of the present utility model.
Claims (10)
1. A packaging machine for calcium hydroxide production, comprising:
the top of the box body is connected with a blanking bin;
the discharging pipe is connected to the box body, a conical hopper is arranged on the discharging pipe, and the conical hopper is communicated with the blanking bin through a distributing bin;
the method is characterized in that:
the novel packaging bag placing machine is characterized in that a reamer conveying mechanism is arranged on the discharging pipe, the box body is provided with a clamping mechanism and a first guide groove, the clamping mechanism moves along the first guide groove, a supporting column is arranged at the bottom of the box body, and the supporting column is connected with a packaging bag placing mechanism.
2. A packaging machine for calcium hydroxide production according to claim 1, wherein: the reamer conveying mechanism comprises a first motor and a reamer, the first motor is fixed on the box body, the reamer is connected with an output shaft of the first motor through a speed reducer, and the reamer is located in the discharging pipe.
3. A packaging machine for calcium hydroxide production according to claim 1, wherein: the clamping mechanism comprises an upper clamping assembly, a lower clamping assembly, a screw and a second motor, wherein the second motor is connected to the inside of the box body through a first fixing plate, an output shaft of the second motor is connected with the screw, the bottom of the screw is connected with a second fixing plate, the second fixing plate is connected to the box body, and the upper clamping assembly and the lower clamping assembly are both connected to the screw.
4. A packaging machine for calcium hydroxide production according to claim 3, wherein: the screw is provided with two thread sections with opposite rotation directions.
5. A packaging machine for calcium hydroxide production according to claim 3, wherein: the upper clamping assembly comprises an upper clamping cover, an upper pressing strip, a cantilever, a guide block and a first boosting block, wherein the upper clamping cover is fixed below the upper pressing strip through a connecting rod, the upper pressing strip is connected to one end of the cantilever, the other end of the cantilever is connected with the first boosting block through the guide block, the guide block is matched with the first guide groove, and the first boosting block is connected to the screw rod.
6. A packaging machine for calcium hydroxide production according to claim 5, wherein: the lower clamping assembly comprises a lower clamping cover, a lower pressing strip, a cantilever, a guide block and a second boosting block, wherein the lower clamping cover is fixed above the lower pressing strip through a connecting rod, the lower pressing strip is connected to one end of the cantilever, the other end of the cantilever is connected with the second boosting block through the guide block, the guide block is matched with the first guide groove, and the second boosting block is connected to the screw rod.
7. A packaging machine for calcium hydroxide production according to claim 1, wherein: the packaging bag placing mechanism comprises a packaging bag placing frame, a bottom plate, a lifting assembly and a limiting assembly, wherein the packaging bag placing frame is connected to the upper portion of the bottom plate through the lifting assembly, and the packaging bag placing frame is connected with the supporting column through the limiting assembly.
8. A packaging machine for calcium hydroxide production according to claim 7, wherein: the lifting assembly comprises a hydraulic cylinder, a lifting plate and a guide rod, wherein the guide rod is fixed on the bottom plate, the lifting plate is connected to two sides of the packaging bag placing frame, the lifting plate is movably connected to the guide rod, the hydraulic cylinder is arranged on the bottom plate, and the hydraulic cylinder is connected with the lifting plate through a piston rod.
9. A packaging machine for calcium hydroxide production according to claim 7, wherein: the limiting assembly comprises a second guide groove and a sliding block, the second guide groove is formed in the supporting column, the sliding block is connected to the packaging bag placing frame, and the sliding block is matched with the second guide groove.
10. A packaging machine for calcium hydroxide production according to claim 7, wherein: the packaging bag placing rack is provided with at least one arc-shaped groove, and the arc-shaped groove is positioned below the discharging pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321445879.1U CN219989543U (en) | 2023-06-07 | 2023-06-07 | Packaging machine for calcium hydroxide production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321445879.1U CN219989543U (en) | 2023-06-07 | 2023-06-07 | Packaging machine for calcium hydroxide production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219989543U true CN219989543U (en) | 2023-11-10 |
Family
ID=88617462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321445879.1U Active CN219989543U (en) | 2023-06-07 | 2023-06-07 | Packaging machine for calcium hydroxide production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219989543U (en) |
-
2023
- 2023-06-07 CN CN202321445879.1U patent/CN219989543U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109964732A (en) | The vertical automatic bag sheathing sack filling machine of black fungus | |
| CN213735883U (en) | Intelligence smoke box unpacking device | |
| CN209023269U (en) | Bag package machine inside and outside a kind of tea bag | |
| CN219989543U (en) | Packaging machine for calcium hydroxide production | |
| CN207276179U (en) | A kind of efficient bottle placer | |
| CN201808234U (en) | Packaging machine for compression package | |
| CN208198888U (en) | Grain slag material filling machine | |
| CN208360539U (en) | A kind of pot-type equipment of mushroom sauce | |
| CN207450400U (en) | The charge mechanism of automatic packaging machine | |
| CN105857746A (en) | Full-automatic appliance for packaging and transporting spindles | |
| CN206841783U (en) | A kind of fruit applied to Fruil packaging machine loads station and a kind of Fruil packaging machine | |
| CN207550679U (en) | A kind of sealing machine for plastic-sucking tray production | |
| CN211618256U (en) | Vertical packing box forming mechanism that unpacks | |
| JP4966440B2 (en) | Horizontal seal control method and apparatus for vertical bag making and filling apparatus | |
| CN208325681U (en) | A kind of bunker mechanism and salt sack filling machine for salt sack filling machine | |
| CN209506299U (en) | A kind of baling press | |
| CN207956212U (en) | A kind of sealing machine for food packaging | |
| CN112896572A (en) | Be used for automatic filling device of solid food intelligent manufacturing | |
| CN208307070U (en) | A kind of sack filling machine blanking buffer unit | |
| CN207450421U (en) | The contained side inserting angle mechanism of automatic packaging machine | |
| CN214524468U (en) | Automatic bag filling mechanism based on woven bag | |
| CN207450401U (en) | The feed mechanism of automatic packaging machine | |
| CN217944493U (en) | Cardboard processing garbage collection device | |
| CN205851043U (en) | A kind of paper products smash baling press | |
| CN205819678U (en) | The packing box feedway of automatic box packing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |