CN215478476U - Go out feed cylinder and discharging device - Google Patents
Go out feed cylinder and discharging device Download PDFInfo
- Publication number
- CN215478476U CN215478476U CN202122324882.5U CN202122324882U CN215478476U CN 215478476 U CN215478476 U CN 215478476U CN 202122324882 U CN202122324882 U CN 202122324882U CN 215478476 U CN215478476 U CN 215478476U
- Authority
- CN
- China
- Prior art keywords
- discharging
- barrel body
- barrel
- charging barrel
- discharge
- 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
- 238000007599 discharging Methods 0.000 title claims abstract description 86
- 239000000463 material Substances 0.000 claims abstract description 70
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000005303 weighing Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 abstract description 10
- 210000001503 joint Anatomy 0.000 description 3
- 239000003814 drug Substances 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010411 cooking Methods 0.000 description 1
- 235000011869 dried fruits Nutrition 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The utility model discloses a discharging barrel and a discharging device. The discharging barrel comprises a barrel body capable of rotating around the axis of the discharging barrel, a discharging port capable of discharging materials is arranged at one end of the barrel body, and the axis of the barrel body is arranged in an upward inclined mode from a horizontal plane from the bottom of the barrel body to the direction of the discharging port; the bulge is arranged on the inner wall of the charging barrel body and extends spirally from the bottom of the charging barrel body towards the direction of the discharge hole around the axis of the charging barrel body. When the rotation direction of the charging barrel body is opposite to the rotation direction of the lug boss, the lug boss can stir materials, and when the rotation direction of the charging barrel body is the same as the rotation direction of the lug boss, the materials can move to the discharge port along with the spiral lug boss to realize discharge, so that the discharge barrel can stir and discharge the materials through the spirally extending lug boss, the phenomenon that the materials to be discharged are crushed by stirring is reduced, and the completeness of the materials during discharge is improved; and the discharging mode is simple, and the device is suitable for popularization and use.
Description
Technical Field
The utility model relates to the field of food and medicine, in particular to a discharging barrel and a discharging device.
Background
At present, a discharging device used in the food industry and the pharmaceutical industry generally places materials to be discharged into a charging barrel, and the materials are discharged by turning the charging barrel, so that the discharging mode is complex; when the material is soft material simultaneously, when the ejection of compact part through setting up in the feed cylinder carries out the ejection of compact that changes soon to the material, the integrality of material reduces when leading to the ejection of compact that will treat out the material phenomenon of smashing often appearing.
Therefore, how to improve the integrity of the material during discharging and the discharging manner with simple structure is a technical problem to be solved by those skilled in the art at present.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a discharging barrel to improve the integrity of the material during discharging and to provide a discharging manner with a simple structure.
In order to achieve the purpose, the utility model provides the following technical scheme:
a tap barrel comprising:
the charging barrel comprises a charging barrel body capable of rotating around the axis of the charging barrel body, wherein the charging barrel body is provided with a material cavity capable of containing materials, one end of the charging barrel body is provided with a discharge hole capable of discharging the materials, and the axis of the charging barrel body is arranged in an upward inclined manner from a horizontal plane from the bottom of the charging barrel body to the direction of the discharge hole;
the bulge is arranged on the inner wall of the charging barrel body and winds around the axis of the charging barrel body, and the bottom of the charging barrel body faces the direction of the discharge port in a spiral mode.
Preferably, in the above-described discharge cylinder, the projection is a helical blade, and the number of the helical blade is at least one.
Preferably, in the discharge cylinder, the number of the helical blades is two, and the helical blades are respectively a first helical blade and a second helical blade, the first helical blade and the second helical blade both extend spirally around the axis of the cylinder body from the bottom of the cylinder body towards the direction of the discharge port, and the rotation directions of the first helical blade and the second helical blade are the same and are arranged in parallel.
Preferably, in the discharging barrel, the discharging barrel further comprises a heating element capable of heating the barrel body, the barrel body is a cylinder with a hollow structure, the heating element is a cylinder capable of being matched with the outer wall of the barrel body, and the heating element is detachably connected with the barrel body.
Preferably, in the above discharging barrel, the discharging barrel further comprises a baffle plate disposed at the discharging port, the baffle plate extends in a circular ring shape from the edge of the discharging port to a direction close to the center of the circle of the discharging port, and the baffle plate is provided with a discharging guide port for guiding the material.
Preferably, in the above discharging barrel, a rotary driving member capable of driving the barrel body to rotate is further included, and the rotary driving member is connected with the barrel body in a plugging manner.
A discharge device comprising the discharge barrel as claimed in any one of the above claims, further comprising a rotary support assembly capable of supporting the barrel body.
Preferably, in the discharging device, the rotary support assembly includes a first rotary member and a second rotary member, the center lines of the first rotary member and the second rotary member are symmetrically arranged along the middle axis of the discharging barrel, and the first rotary member and the second rotary member are directly abutted against the outer wall of the discharging barrel, or a rotary guide groove capable of being matched with the first rotary member and the second rotary member is arranged on the outer wall of the discharging barrel.
Preferably, in above-mentioned discharging device, still include and connect the material subassembly, connect the material subassembly including the hopper that connects that is used for receiving the material, be used for supporting connect the hopper support of hopper and can overturn connect the upset driving piece of hopper, connect the hopper with the hopper support rotates and is connected, and connect the hopper can with the discharge gate butt joint of play feed cylinder.
Preferably, in the above discharging device, the receiving assembly further includes a weighing and quantifying element capable of weighing the material in the receiving hopper.
When the discharging barrel provided by the utility model is used, materials are placed in the material cavity of the barrel body, and the barrel body can rotate around the axis of the barrel body, so that the materials in the material cavity rotate along with the rotation of the barrel body; and because the direction of the bottom of the feed cylinder body towards the discharge gate, the axis of the feed cylinder body is arranged from the horizontal plane tilt up, the inner wall of the feed cylinder body is provided with the bulge, and the bulge extends spirally from the bottom of the feed cylinder body towards the direction of the discharge gate, therefore, when the rotation direction of the feed cylinder body is opposite to the rotation direction of the bulge, the bulge can stir the materials in the feed cylinder body, when the rotation direction of the feed cylinder body is the same as the rotation direction of the bulge, the materials can move to the discharge gate along with the spiral bulge, and the discharge is realized. Therefore, the discharging barrel provided by the utility model can realize the stirring function and the discharging function of materials through the spirally extending bulge part, so that the phenomenon of stirring the materials to be discharged is reduced, and the completeness of the materials during discharging is improved; and the discharging mode is simple, and the device is suitable for popularization and use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a discharge cylinder according to an embodiment of the present invention;
fig. 2 is a schematic front structural view of a discharging barrel according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a discharge cylinder at plane A-A according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of a discharging device according to an embodiment of the present invention;
fig. 5 is a schematic side view of a discharging device according to an embodiment of the present invention.
The charging unit comprises a charging barrel body 100, a protrusion 200, a baffle 300, a discharge guide opening 301, a heating element 400, a rotary driving element 500, a rotary supporting assembly 600, a first rotating element 601, a second rotating element 602, a receiving assembly 700, a receiving hopper 701, a hopper support 702, an overturning driving element 703 and an inclination angle alpha between the axis of the charging barrel body and the horizontal plane.
Detailed Description
In view of the above, the core of the present invention is to provide a discharge barrel to improve the integrity of the material.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
As shown in fig. 1 to 5, the embodiment of the utility model discloses a discharge barrel, which comprises a barrel body 100 and a boss 200.
The charging barrel comprises a charging barrel body 100, a material cavity, a discharging port and a plurality of clamping pieces, wherein the charging barrel body 100 can rotate around the axis of the charging barrel body 100, the charging barrel body 100 is provided with the material cavity capable of containing materials, one end of the charging barrel body 100 is provided with the discharging port capable of discharging the materials, and the axis of the charging barrel body 100 is arranged in an upward inclined mode from the horizontal plane from the bottom of the charging barrel body 100 to the direction of the discharging port; the protrusion 200 is disposed on the inner wall of the cartridge body 100, and the protrusion 200 extends spirally around the axis of the cartridge body 100 from the bottom of the cartridge body 100 toward the discharge port.
When the discharging barrel provided by the utility model is used, materials are placed in the material cavity of the barrel body 100, and the barrel body 100 can rotate around the axis of the barrel body, so that the materials in the material cavity rotate along with the rotation of the barrel body 100; and because from the direction of the bottom of feed cylinder body 100 towards the discharge gate, the axis of feed cylinder body 100 sets up from the horizontal plane tilt up, be provided with bellying 200 on the inner wall of feed cylinder body 100, bellying 200 extends towards the direction spiral of discharge gate from the bottom of feed cylinder body 100, therefore, when the rotation direction of feed cylinder body 100 was opposite with the direction of rotation of bellying 200, bellying 200 can stir the material in the feed cylinder body 100, when the rotation direction of feed cylinder body 100 was the same with the direction of rotation of bellying 200, the material can remove to the discharge gate along with spiral bellying 200, realize the ejection of compact. Therefore, the discharging barrel provided by the utility model can realize the stirring function and the discharging function of materials through the spirally extending bulge part 200, so that the phenomenon of stirring the materials to be discharged is reduced, and the completeness of the materials during discharging is improved; and the discharging mode is simple, and the device is suitable for popularization and use.
It should be noted that the protruding portion 200 may be a spiral blade, a continuously disposed protruding point, or a spiral rib, and any type that can satisfy the usage requirement is within the protection scope of the present invention; preferably, the protrusion 200 provided by the present invention is a helical blade extending spirally from the bottom of the cartridge body 100 toward the discharge hole around the axis of the cartridge body 100, and the number of the helical blade is at least one, so as to realize the stirring and discharging of the material by the helical blade.
In addition, the axis of the cartridge body 100 provided by the present invention is inclined to the horizontal plane, specifically: from the bottom orientation of feed cylinder body 100 the direction of discharge gate, the axis of feed cylinder body 100 sets up from horizontal plane tilt up to make the discharge gate slope up, prevent that the material from dropping to the outside of feed cylinder body 100 by the discharge gate under the action of gravity, cause the material extravagant.
In addition, the specific size of the inclination angle a between the axis of the cartridge body 100 and the horizontal plane is not limited, and any angle value that can satisfy the use requirement is within the protection scope of the present invention.
It should be understood that the specific number of the helical blades is not limited in the present invention, and in practical applications, the number of the helical blades can be adaptively adjusted according to parameters such as the shape of the material and the total amount of the material, and the number of the helical blades that can meet the use requirement is within the protection scope of the present invention; preferably, the number of the helical blades provided by the embodiment of the present invention is two, and the helical blades are respectively a first helical blade and a second helical blade, the first helical blade and the second helical blade both extend spirally around the axis of the cartridge body 100 from the bottom of the cartridge body 100 toward the discharge port, and the first helical blade and the second helical blade have the same rotation direction and are arranged in parallel, so as to improve the discharge efficiency.
Further, the discharging barrel provided by the utility model further comprises a heating element 400 capable of heating the barrel body 100, the barrel body 100 is a cylinder with a hollow structure, the heating element 400 is a cylinder capable of being matched with the outer wall of the barrel body 100, so that the heating element 400 is sleeved on the outer circumference of the barrel body 100, the heating element 400 is surrounded on the outer circumference of the barrel body 100, and the uniformity of material heating is improved; and the heating element 400 is removably coupled to the cartridge body 100 to facilitate replacement and removal of the cartridge body 100.
It should be understood that the cartridge body 100 and the heating element 400 may be connected by a sleeve connection, a clip connection, a bolt connection, etc., and any connection that can detachably connect the cartridge body 100 and the heating element 400 is within the scope of the present invention,
Further, this go out feed cylinder is still including setting up in the baffle 300 of discharge gate, baffle 300 extends for the ring form to the centre of a circle direction that is close to the discharge gate from the edge of discharge gate to be equipped with on the baffle 300 and be used for carrying out the ejection of compact guiding opening 301 that leads to the material, so that the water clock phenomenon that takes place when reducing the material ejection of compact through annular baffle 300, and the phenomenon of material edge feed cylinder body 100's outer wall downflow, and lead to the ejection of compact of material through ejection of compact guiding opening 301, standardize the ejection of compact.
It should be understood that the discharging guide opening 301 may be square, trapezoid, or semicircular, and the like, and the shape is within the scope of the present invention as long as the shape can meet the use requirement; in the present invention, the number of the discharge guide ports 301 is not particularly limited, and any number that can satisfy the use requirement falls within the scope of the present invention.
In addition, the cartridge body 100 may be manually driven to rotate around its own axis, or may be rotated around its own axis by rotating the driving member 500, as long as the cartridge body 100 can be rotated around its own axis; preferably, the discharging barrel provided by the embodiment of the utility model drives the barrel body 100 to rotate through the rotary driving member 500, so as to improve the working efficiency of the discharging barrel and save manpower.
Moreover, the rotary driving member 500 is connected to the cartridge body 100 in a plugging manner, so as to reduce the number of parts and to achieve the complete taking and sorting of the cartridge body 100.
In addition, the utility model also discloses a discharging device, which comprises the discharging barrel as described in any one of the above items, and further comprises a rotary supporting component 600 capable of supporting the barrel body 100, so that the barrel body 100 is supported by the rotary supporting component 600, and the barrel body 100 can stably rotate.
The rotary supporting component 600 can support the charging barrel body 100 through two, three or four rotating parts which are contacted with the outer wall of the discharging barrel in a tangent manner and can rotate, or can directly fix the supporting sleeve, the outer wall of the charging barrel body 100 is sleeved in the supporting sleeve, and the charging barrel body 100 is connected with the supporting sleeve through a chute or a roller, so that the charging barrel body 100 can rotate in the supporting sleeve, and the rotary charging barrel body 100 is supported through the supporting sleeve, so long as the rotary supporting component 600 can meet the use requirement, which belongs to the protection scope of the utility model; preferably, the rotary support assembly 600 provided by the present invention supports the cartridge body 100 by a plurality of rotatable rotating members that are in tangential contact with the outer wall of the discharge cartridge.
Specifically, as shown in fig. 4 and 5, the rotary support assembly 600 includes a first rotating member 601 and a second rotating member 602, the center lines of the first rotating member 601 and the second rotating member 602 are symmetrically arranged along the central axis of the discharging cylinder, and the first rotating member 601 and the second rotating member 602 are directly abutted with the outer wall of the discharging cylinder, so that the discharging cylinder is supported by the first rotating member 601 and the second rotating member 602, the force of the discharging cylinder is balanced, and at the same time, the friction between the first rotating member 601 and the second rotating member 602 and the discharging cylinder is reduced by the rotation of the first rotating member 601 and the second rotating member 602; or, the outer wall of the discharging barrel is provided with a rotation guide groove which can be matched with the first rotating piece 601 and the second rotating piece 602, and the rotation of the discharging barrel is guided through the matching of the rotation guide groove, the first rotating piece 601 and the second rotating piece 602, so that the rotation stability of the discharging barrel is improved.
It should be understood that the first rotating member 601 and the second rotating member 602 may be rollers, bearings, rollers, etc., and any type that can satisfy the requirements of the application is within the scope of the present invention.
Further, this discharging device still includes and connects material subassembly 700, connect material subassembly 700 including the hopper 701 that connects that is used for receiving the material, be used for supporting the hopper support 702 that connects hopper 701 and can overturn the upset driving piece 703 that connects hopper 701, connect hopper 701 and hopper support 702 to rotate and be connected, and connect hopper 701 can dock with the discharge gate of play feed cylinder, so that support through hopper support 702 and connect hopper 701, receive the material that processing was accomplished through connecting hopper 701, treat that to connect hopper 701 to receive the material back, connect hopper 701 upset through upset driving piece 703 and connect hopper 701, the messenger connects the material in the hopper 701 to dump.
The hopper 701 and the hopper bracket 702 can be connected by a hole shaft, a hinge or a rotary connector, and the like, and the mode of realizing rotary connection belongs to the protection scope of the utility model; preferably, the receiving hopper 701 provided by the novel embodiment is connected with the hopper bracket 702 through a through hole shaft, so that the structure is simple, and the mounting and the dismounting are convenient.
In addition, connect material subassembly 700 still includes the ration component of weighing that can weigh to the material in the butt joint hopper 701 to in weigh the material in the butt joint hopper 701 through the ration component of weighing, realize the ration ejection of compact, improve ejection of compact precision and ejection of compact beat.
It should be understood that the weighing and metering unit may be an electronic scale, a weighing controller, or a combination of a weight sensor and a display, and the like, and the weighing and metering unit is within the scope of the present invention as long as the weighing and metering unit can meet the use requirements.
The discharging device provided by the utility model can be used in the technical fields of cooking in a kitchen, frying dried fruits or mixing medicines and the like, so that the application field of the discharging device is not particularly limited.
The terms "first" and "second," and the like in the description and claims of the present invention and the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not set forth for a listed step or element but may include steps or elements not listed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A tap barrel, comprising:
the charging barrel comprises a charging barrel body capable of rotating around the axis of the charging barrel body, wherein the charging barrel body is provided with a material cavity capable of containing materials, one end of the charging barrel body is provided with a discharge hole capable of discharging the materials, and the axis of the charging barrel body is arranged in an upward inclined manner from a horizontal plane from the bottom of the charging barrel body to the direction of the discharge hole;
the bulge is arranged on the inner wall of the charging barrel body and winds around the axis of the charging barrel body, and the bottom of the charging barrel body faces the direction of the discharge port in a spiral mode.
2. The tap barrel of claim 1 wherein said boss is a helical blade and said helical blade is at least one in number.
3. The discharge cylinder of claim 2, wherein the number of the helical blades is two, and the helical blades are a first helical blade and a second helical blade, the first helical blade and the second helical blade both extend spirally around the axis of the cylinder body from the bottom of the cylinder body toward the discharge port, and the first helical blade and the second helical blade are arranged in the same and parallel direction.
4. The tap barrel of any one of claims 1 to 3, further comprising a heating element capable of heating the barrel body, wherein the barrel body is a cylinder with a hollow structure, the heating element is a cylinder capable of being matched with the outer wall of the barrel body, and the heating element is detachably connected with the barrel body.
5. The discharging barrel according to any one of claims 1 to 3, further comprising a baffle plate disposed at the discharging port, wherein the baffle plate extends in a circular ring shape from the edge of the discharging port to a direction close to the center of the discharging port, and the baffle plate is provided with a discharging guide port for guiding the material.
6. The discharging barrel according to any one of claims 1-3, further comprising a rotary driving member capable of driving the barrel body to rotate, and the rotary driving member is connected with the barrel body in a plugging manner.
7. An outfeed device comprising the outfeed cartridge of any of claims 1 to 6, further comprising a rotational support assembly capable of supporting the cartridge body.
8. The discharging device according to claim 7, wherein the rotary supporting component comprises a first rotating member and a second rotating member, the center lines of the first rotating member and the second rotating member are symmetrically arranged along the middle axial plane of the discharging barrel, and the first rotating member and the second rotating member are directly abutted against the outer wall of the discharging barrel, or the outer wall of the discharging barrel is provided with a rotary guide groove capable of being matched with the first rotating member and the second rotating member.
9. The discharging device of claim 7, further comprising a receiving assembly, wherein the receiving assembly comprises a receiving hopper for receiving the material, a hopper support for supporting the receiving hopper, and a turning driving member capable of turning the receiving hopper, the receiving hopper is rotatably connected with the hopper support, and the receiving hopper can be butted with the discharging port of the discharging barrel.
10. The discharging device of claim 9, wherein the receiving assembly further comprises a weighing and quantifying element capable of weighing the material in the receiving hopper.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122324882.5U CN215478476U (en) | 2021-09-24 | 2021-09-24 | Go out feed cylinder and discharging device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122324882.5U CN215478476U (en) | 2021-09-24 | 2021-09-24 | Go out feed cylinder and discharging device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215478476U true CN215478476U (en) | 2022-01-11 |
Family
ID=79769973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202122324882.5U Active CN215478476U (en) | 2021-09-24 | 2021-09-24 | Go out feed cylinder and discharging device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215478476U (en) |
-
2021
- 2021-09-24 CN CN202122324882.5U patent/CN215478476U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN215478476U (en) | Go out feed cylinder and discharging device | |
CN211941455U (en) | Batching's concrete mixer | |
CN211492363U (en) | Plastic film banburying quantitative feeding device | |
CN209772274U (en) | Basket type dispersing and grinding integrated equipment | |
CN215373487U (en) | Automatic feeding mechanism for beryllium-copper alloy material production process | |
CN216181798U (en) | Plastic particle mixing device | |
CN210845976U (en) | Anti-blocking discharging device of mixing stirrer | |
CN212830467U (en) | Washing raw material feeding equipment | |
CN208429566U (en) | A kind of automatic bottle-setting machine | |
CN214126850U (en) | Automatic tea rolling device | |
CN218573578U (en) | Food class powder and granule are from measurement quantitative mixing arrangement | |
CN220563814U (en) | Quantitative feeding structure for squid product processing | |
CN211469939U (en) | Cap feeding machine for vertical type rotary disc material selection | |
CN210939989U (en) | High-efficient horizontal plastic mixing device | |
CN213084491U (en) | Spiral conveyor for powder solids | |
CN220589641U (en) | Essence slurry quick stirrer | |
CN220126024U (en) | Food production agitator | |
CN218506181U (en) | Feeding and weighing powder bin | |
CN210854403U (en) | Twin-screw weightless formula feeding machine convenient to material loading | |
CN211562727U (en) | Stirring roller | |
CN220092036U (en) | Part mixing processing feeding device | |
CN212333762U (en) | Impeller feeder | |
CN215820687U (en) | Intelligent rice bucket capable of quantitatively discharging rice | |
CN212758170U (en) | Dried meat floss stuffing stirring equipment capable of quantitatively adding flavourzyme | |
CN218981467U (en) | Granulating device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |