CN219948773U - Cutting mechanism and film sealing device - Google Patents

Cutting mechanism and film sealing device Download PDF

Info

Publication number
CN219948773U
CN219948773U CN202321684538.XU CN202321684538U CN219948773U CN 219948773 U CN219948773 U CN 219948773U CN 202321684538 U CN202321684538 U CN 202321684538U CN 219948773 U CN219948773 U CN 219948773U
Authority
CN
China
Prior art keywords
cutter
guide rail
cutting mechanism
sleeve
cutting
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
CN202321684538.XU
Other languages
Chinese (zh)
Inventor
陈传坤
肖永军
魏亮
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.)
Wuhan Youzhiyou Medical Technology Co ltd
Original Assignee
Wuhan Youzhiyou Medical Technology 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 Wuhan Youzhiyou Medical Technology Co ltd filed Critical Wuhan Youzhiyou Medical Technology Co ltd
Priority to CN202321684538.XU priority Critical patent/CN219948773U/en
Application granted granted Critical
Publication of CN219948773U publication Critical patent/CN219948773U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Sampling And Sample Adjustment (AREA)

Abstract

The utility model relates to the technical field of packaging equipment, in particular to a cutting mechanism and a film sealing device. The utility model provides a cutting mechanism, comprising: the device comprises a cutter, a cutter holder, a guide rail and a base; the cutter is connected with the cutter seat through the connecting part; the tool apron is connected to the guide rail in a sliding way, one end of the guide rail is connected with the base, and the other end of the guide rail is provided with an anti-derailing part for preventing the tool apron from derailing; the cutting part is arranged towards the anti-falling part. The cutter passes through blade holder sliding connection on the guide rail, through setting up the extending direction of guide rail, just can control the slip direction of cutter to make the slip direction of cutter fixed, compare in prior art, can avoid leading to reagent strip or encapsulation membrane damage's problem to appear along linear motion because of the manual work unable control blade.

Description

Cutting mechanism and film sealing device
Technical Field
The utility model relates to the technical field of packaging equipment, in particular to a cutting mechanism and a film sealing device.
Background
In the in-vitro diagnosis industry, in order to facilitate detection and save reagents, the reagents of each component are required to be pre-packaged to form a reagent strip, so that the reagent strip is convenient to take and use at any time. Typically, the reagent strips are encapsulated, typically by an aluminum film. However, after the aluminum film is packaged, a plurality of reagent strips are connected together, so that the aluminum film needs to be cut to separate the plurality of reagent strips.
The current cutting mode generally adopts the blade to scratch manually, but at the in-process of cutting, can't guarantee that the blade can slide along sharp, leads to probably fish tail reagent strip, and even direct fish tail heat-seal aluminium membrane on the reagent strip to directly lead to reagent to scrap.
Disclosure of Invention
The utility model solves the problems that: the existing reagent strip is manually cut, and the reagent strip is easy to damage.
(II) technical scheme
In order to solve the above technical problems, an embodiment of an aspect of the present utility model provides a cutting mechanism, including: the device comprises a cutter, a cutter holder, a guide rail and a base;
the cutter is provided with a cutting part and a connecting part, and is connected with the cutter seat through the connecting part;
the tool apron is connected to the guide rail in a sliding manner, one end of the guide rail is connected with the base, and the other end of the guide rail is provided with an anti-derailing part for preventing the tool apron from derailing;
the cutting portion is disposed toward the drop-preventing portion.
Further, the anti-falling part is a protrusion arranged on the guide rail.
Further, a plurality of mounting plates are arranged on the cutter seat at intervals, and the cutters are in one-to-one correspondence with the mounting plates;
the cutters are connected to the corresponding mounting plates through the connecting portions.
Further, the tool holder further comprises a handle, and the handle is connected to the tool holder.
Further, the handle comprises a first connecting rod and two second connecting rods;
the two second connecting rods are arranged at intervals, and the first connecting rods are connected between the first connecting rods;
the two second connecting rods are respectively positioned at two sides of the guide rail and connected with the tool apron, and the first connecting rods are positioned above the guide rail.
Further, the cutter is arranged obliquely downwards.
Further, the device also comprises a reset component;
the reset component is used for applying a force for sliding the tool apron away from the anti-falling part.
Further, the reset assembly comprises a sleeve, a connecting belt and a reset piece;
one end of the connecting belt is wound on the sleeve, and the other end of the connecting belt is connected with the tool apron;
the base is provided with a rotating shaft, and the sleeve is rotationally connected to the rotating shaft;
the reset piece is arranged between the rotating shaft and the sleeve and is used for driving the sleeve to rotate so as to wind the connecting belt on the sleeve.
Further, the reset piece is a coil spring;
or;
the resetting piece is a V-shaped spring.
The embodiment of the utility model also provides a film sealing device, which comprises the cutting mechanism in any embodiment.
The utility model has the beneficial effects that:
the utility model provides a cutting mechanism, comprising: the device comprises a cutter, a cutter holder, a guide rail and a base; the cutter is connected with the cutter seat through the connecting part; the tool apron is connected to the guide rail in a sliding manner, one end of the guide rail is connected with the base, and the other end of the guide rail is provided with an anti-derailing part for preventing the tool apron from derailing; the cutting portion is disposed toward the drop-preventing portion.
The cutting mechanism that this embodiment provided, cutter pass through blade holder sliding connection on the guide rail, through setting up the extending direction of guide rail, can enough control the slip direction of cutter to make the slip direction of cutter fixed, compare in prior art, can avoid leading to reagent strip or encapsulation membrane damage's problem to appear along linear motion because of the manual work unable control blade.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a cutting mechanism according to an embodiment of the present utility model.
Icon: 1, a cutter; 11-a cutting part;
2-a knife holder; 21-a mounting plate; 22-handle; 221-a first link; 222-a second link;
3-a guide rail; 31-an anti-drop part; 311-bump;
4-a base;
a 5-reset assembly; 51-sleeve; 52-connecting bands.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but 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, are intended to be within the scope of the utility model.
One embodiment of the utility model provides a cutting mechanism for cutting a packaging film of a reagent strip, so as to solve the problem that the prior art adopts a cutting mode of manual cutting.
Optionally, the packaging film is an aluminum film.
As shown in fig. 1, the cutting mechanism provided in this embodiment includes: cutter 1, blade holder 2, guide rail 3 and base 4.
The cutter 1 is provided with a cutting part 11 and a connecting part, and the cutter 1 is connected with the cutter holder 2 through the connecting part.
The tool apron 2 is slidably connected to the guide rail 3, one end of the guide rail 3 is connected to the base 4, and the other end of the guide rail is provided with an anti-derailing part 31 for preventing the tool apron 2 from derailing.
The cutting portion 11 is provided toward the drop-off preventing portion 31.
In the embodiment, the cutting mechanism consists of a cutter 1, a cutter holder 2, a guide rail 3, a base 4 and the like. The cutter 1 is mainly used for cutting the packaging film; the tool apron 2 is used for installing the cutter 1 and is in sliding connection with the guide rail 3; the guide rail 3 is used for limiting the sliding direction of the cutter 1 so that the cutter 1 can move in a predetermined direction; the base 4 is used for supporting the structures such as the guide rail 3, the tool apron 2 and the like.
In this embodiment, the cutter 1 includes a cutting portion 11 and a connecting portion, and the cutting portion 11, i.e., the area of the cutter 1 for cutting the packaging film, is relatively sharp. The connecting portion is mainly used for being connected with the tool apron 2, and optionally, the connecting portion can be a through hole formed in the cutter 1, and the cutter 1 is locked on the tool apron 2 through the cooperation of the through hole and the screw.
In this embodiment, the tool holder 2 is used for mounting the cutter 1, the tool holder 2 is slidably connected to the guide rail 3, and the cutter 1 can slide along the extending direction of the guide rail 3 by matching the tool holder 2 with the guide rail 3.
In this embodiment, the tool holder 2 is provided with a chute matched with the guide rail 3, and the tool holder 2 is slidably connected to the guide rail 3 through the matching of the chute and the guide rail 3.
In this embodiment, the guide rail 3 is preferably a linear guide rail 3, which is made of metal or other material and on which a ridge is provided, which corresponds to a slide groove, which cooperates with the ridge to realize the sliding of the tool holder 2 on the guide rail 3.
In the present embodiment, the guide rail 3 has opposite ends, one end of which is connected to the base 4, and the other end is provided with the anti-derailing portion 31, because the guide rail 3 is connected to the base 4, the tool holder 2 will only have a derailment risk at the end of the guide rail 3 away from the tool holder 2, and thus the anti-derailing portion 31 is provided at this end to prevent the tool holder 2 from derailing.
The cutting mechanism that this embodiment provided, its theory of operation is: the packaged reagent strips are placed below the guide rail 3, the angles of the reagent strips can be adjusted by designing a tool and the like, and then the cutter holder 2 is pushed to pass over the reagent strips, and the cutter 1 can cut packaging films during the process.
In this embodiment, it is assumed that the cutting portion 11 is disposed toward the ground, so that, in use, it is possible that only the cutting portion 11 cuts through the encapsulation film, but the encapsulation film is not cut, or the side edge of the cutter 1 collides with the encapsulation film, and the encapsulation film cannot be cut normally, and therefore, the cutting portion 11 of the cutter 1 needs to be disposed toward the escape prevention portion 31 so that the cutting portion 11 cuts the encapsulation film instead of cutting through the encapsulation film.
The cutting mechanism that this embodiment provided, cutter 1 pass through blade holder 2 sliding connection on guide rail 3, through setting up the extending direction of guide rail 3, can enough control the slip direction of cutter 1 to make the slip direction of cutter 1 fixed, compare in prior art, can avoid leading to reagent strip or encapsulation membrane damage's problem to appear along linear motion because of the manual work unable control blade.
In the cutting mechanism according to the embodiment of the present utility model, the anti-falling portion 31 is a protrusion 311 disposed on the guide rail 3.
In this embodiment, the end of the guide rail 3 is provided with a protrusion 311, the protrusion 311 forms the anti-derailing part 31, and when the tool holder 2 slides to the end of the guide rail 3 away from the base 4, the tool holder 2 will abut against the guide rail 3, and derailment will not occur.
It is to be understood that, in the present embodiment, the drop-off preventing portion 31 may be a bolt or the like provided at an end portion of the guide rail 3.
Alternatively, the protrusion 311 may be integrally formed with the guide rail 3, or may be connected to the guide rail 3 by welding or the like.
The embodiment of the utility model provides a cutting mechanism, wherein a plurality of mounting plates 21 are arranged on a cutter holder 2 at intervals, and the cutters 1 are in one-to-one correspondence with the mounting plates 21.
The cutter 1 is connected to the corresponding mounting plate 21 through the connection portion.
In this embodiment, in order to improve the cutting efficiency, the cutter holder 2 is provided with a plurality of mounting plates 21, and the cutters 1 are in one-to-one correspondence with the mounting plates 21, that is, the number of the cutters 1 is the same as the number of the mounting plates 21, and each mounting plate 21 is provided with one cutter 1.
In addition, in the present embodiment, all the mounting plates 21 are arranged at intervals, so that the distance between two adjacent cutters 1 is just equal to the size of the reagent strip, so as to avoid damaging the reagent strip when cutting the packaging film, or directly cutting the packaging film on the reagent strip.
In the present embodiment, the above-mentioned connection portion is a through hole, and the mounting plate 21 is provided with an internal threaded hole corresponding to the through hole, and the cutter 1 is fixed to the mounting plate 21 by the engagement of the screw with the through hole and the internal threaded hole.
The cutting mechanism provided by the embodiment of the utility model further comprises a handle 22, wherein the handle 22 is connected to the tool apron 2.
In this embodiment, the sliding of the tool holder 2 on the guide rail 3 is performed manually. Specifically, the handle 22 is arranged on the tool holder 2, and the tool holder 2 slides on the guide rail 3 by manually pulling the handle 22.
It will be appreciated that in this embodiment, structures such as a driving motor and a transmission assembly may be further provided to enable the tool holder 2 to automatically slide on the guide rail 3.
In the cutting mechanism provided by the embodiment of the utility model, the handle 22 includes a first connecting rod 221 and two second connecting rods 222.
The two second links 222 are disposed at intervals, and the first link 221 is connected between the first links 221.
The two second connecting rods 222 are respectively located at two sides of the guide rail 3 and are connected with the tool apron 2.
In this embodiment, the handle 22 has a U-shaped structure, which has a first connecting rod 221 and two second connecting rods 222, the two second connecting rods 222 are two side rods, two ends of the first connecting rod 221 are respectively connected with two ends of the two second connecting rods 222, and one end of the second connecting rod 222 far away from the first connecting rod 221 is connected to the tool apron 2. And, two second links 222 are respectively located at both sides of the rail.
That is, the handle 22 is sleeved outside the guide rail 3.
In the present embodiment, the handle 22 is provided to be fitted to the outside of the guide rail 3, thereby facilitating the operation of the operator.
According to the cutting mechanism provided by the embodiment of the utility model, the cutter 1 is arranged obliquely downwards, so that the packaging film can be cut conveniently.
The cutting mechanism provided by the embodiment of the utility model further comprises a reset component 5.
The reset assembly 5 is used for applying a force to the tool holder 2 to slide away from the anti-drop portion 31.
In this embodiment, when the operator pulls the tool holder 2 to cut the packaging film, the tool holder 2 is located on the guide rail 3 and is close to the anti-falling portion 31, so that the operator is required to manually push back the tool holder 2 for the next operation.
In order to solve the problem that the tool apron 2 needs to be manually pushed back by an operator, the cutting mechanism further comprises a reset component 5, and the reset component 5 is used for applying a force for sliding the tool apron 2 in a direction away from the anti-falling part 31, so that after cutting is completed, the tool apron 2 can automatically slide to one end, connected with the guide rail 3 and the base 4, of the tool apron 2 to prepare for cutting next time.
The cutting mechanism provided by the embodiment of the utility model, the reset assembly 5 comprises a sleeve 51, a connecting belt 52 and a reset piece.
One end of the connecting belt 52 is wound on the sleeve 51, and the other end is connected with the tool holder 2.
The base 4 is provided with a rotating shaft, and the sleeve 51 is rotatably connected to the rotating shaft.
The resetting piece is disposed between the rotating shaft and the sleeve 51, and is used for driving the sleeve 51 to rotate so as to wind the connecting belt 52 on the sleeve 51.
In this embodiment, the reset assembly 5 is composed of a sleeve 51, a connecting band 52, a reset element and the like.
In this embodiment, the base 4 is provided with a rotating shaft, the sleeve 51 is disposed on the rotating shaft, and the sleeve 51 can only rotate on the rotating shaft and cannot slide along the axial direction of the rotating shaft.
In this embodiment, the connecting band 52 is a flexible band, such as nylon or a flexible plastic with a certain toughness. One end of the connecting band 52 is connected with the side wall of the sleeve 51 and is partially wound on the sleeve 51, and the other end is connected with the tool holder 2.
In this embodiment, the reset element is disposed between the rotating shaft and the sleeve 51, and the reset element can drive the sleeve 51 to rotate. Specifically, the reset member drives the sleeve 51 to rotate, so that the connecting belt 52 can be wound on the sleeve 51.
For example, when the tool holder 2 is pulled to slide in the direction of the anti-releasing portion 31, and the sleeve 51 rotates clockwise at this time, the reset member applies a force to the sleeve 51 to rotate the sleeve 51 counterclockwise, so that when the operator releases the handle 22, the connecting band 52 is wound back onto the sleeve 51 again by the reset member, and the tool holder 2 slides in the direction of the base 4.
According to the cutting mechanism provided by the embodiment of the utility model, the reset piece is a coil spring;
or;
the resetting piece is a V-shaped spring.
In this embodiment, the restoring member may be a V-shaped spring disposed between the rotating shaft and the sleeve 51, or may be a coil spring disposed between the rotating shaft and the sleeve 51.
In the embodiment, the V-shaped spring and the coil spring have large restoring force, and the restoring is safe and reliable by using the V-shaped spring and the coil spring.
Optionally, in this embodiment, the below of guide rail 3 can also set up in guide rail 3 vertically slide rail, is provided with the tray on the slide rail as the frock that holds reagent strip, because slide rail and guide rail 3 set up perpendicularly, consequently can all be accurate when cutting at every turn with the encapsulation membrane scratch, need not at the angle of adjusting the tray, convenient and fast.
When the cutting mechanism provided by the embodiment of the utility model is used, the reagent strips are placed on the tray, and the tray is placed at a preset position below the track. After the tray is placed, an operator pulls the handle 22 to enable the cutter holder 2 to slide on the track until the cutter 1 on the cutter holder 2 slides completely across the tray. After that, the operator releases the handle 22, and the sleeve 51 starts to rotate by the coil spring, and the connecting band 52 is rewound on the sleeve 51 to reset the cutter 1, ready for the next cutting.
The cutting mechanism that this embodiment provided only needs the manual work to place the tray when using to and pulling handle 22 drives blade holder 2 and slides, and the rest need not manual intervention, cuts efficiently, and can effectively solve the problem that leads to reagent strip or encapsulation membrane to damage because of cutting inappropriately.
Another embodiment of the present utility model provides a film sealing device, which includes the cutting mechanism described in the foregoing embodiment.
In this embodiment, the film sealing device has a film sealing mechanism for automatically sealing the film on the reagent strip, and can further automatically cut the packaging film by matching with the cutting mechanism in this embodiment.
The film sealing device provided in this embodiment has all the effects of the foregoing cutting mechanism, and will not be described herein.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct or indirect through an intermediate medium, or may be internal to two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. A cutting mechanism, comprising: the cutter comprises a cutter (1), a cutter holder (2), a guide rail (3) and a base (4);
the cutter (1) is provided with a cutting part (11) and a connecting part, and the cutter (1) is connected with the cutter holder (2) through the connecting part;
the tool apron (2) is connected to the guide rail (3) in a sliding manner, one end of the guide rail (3) is connected with the base (4), and the other end of the guide rail is provided with an anti-derailing part (31) for preventing the tool apron (2) from derailing;
the cutting part (11) is arranged towards the anti-falling part (31).
2. The cutting mechanism according to claim 1, wherein the drop-off prevention portion (31) is a protrusion (311) provided on the guide rail (3).
3. The cutting mechanism according to claim 1, wherein a plurality of mounting plates (21) are arranged on the cutter holder (2) at intervals, and the cutters (1) are in one-to-one correspondence with the mounting plates (21);
the cutter (1) is connected to the corresponding mounting plate (21) through the connecting part.
4. The cutting mechanism according to claim 1, further comprising a pull handle (22), the pull handle (22) being connected to the blade holder (2).
5. The cutting mechanism according to claim 4, wherein the pull handle (22) comprises a first link (221) and two second links (222);
the two second connecting rods (222) are arranged at intervals, and the first connecting rod (221) is connected between the first connecting rods (221);
the two second connecting rods (222) are respectively positioned at two sides of the guide rail (3) and are connected with the tool apron (2), and the first connecting rod (221) is positioned above the guide rail (3).
6. A cutting mechanism according to claim 1, characterized in that the cutter (1) is arranged obliquely downwards.
7. A cutting mechanism according to claim 1, further comprising a reset assembly (5);
the reset component (5) is used for applying a force for sliding the tool apron (2) away from the anti-falling part (31).
8. The cutting mechanism according to claim 7, wherein the reset assembly (5) comprises a sleeve (51), a connecting band (52) and a reset;
one end of the connecting belt (52) is wound on the sleeve (51), and the other end of the connecting belt is connected with the tool apron (2);
the base (4) is provided with a rotating shaft, and the sleeve (51) is rotationally connected to the rotating shaft;
the reset piece is arranged between the rotating shaft and the sleeve (51) and is used for driving the sleeve (51) to rotate so as to wind the connecting belt (52) on the sleeve (51).
9. The cutting mechanism of claim 8, wherein the reset member is a coil spring;
or;
the resetting piece is a V-shaped spring.
10. A film sealing device comprising a cutting mechanism as claimed in any one of claims 1 to 9.
CN202321684538.XU 2023-06-28 2023-06-28 Cutting mechanism and film sealing device Active CN219948773U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321684538.XU CN219948773U (en) 2023-06-28 2023-06-28 Cutting mechanism and film sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321684538.XU CN219948773U (en) 2023-06-28 2023-06-28 Cutting mechanism and film sealing device

Publications (1)

Publication Number Publication Date
CN219948773U true CN219948773U (en) 2023-11-03

Family

ID=88539430

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321684538.XU Active CN219948773U (en) 2023-06-28 2023-06-28 Cutting mechanism and film sealing device

Country Status (1)

Country Link
CN (1) CN219948773U (en)

Similar Documents

Publication Publication Date Title
US7000521B1 (en) Pleated shade cut-off method and apparatus
EP3409413B1 (en) Powered banding device and related methods
DE112013000471B4 (en) Clamping / cutting tool for hose clamps
CN219948773U (en) Cutting mechanism and film sealing device
CN112372045A (en) Aluminum sheet is equipment for dicing
EP1967475A1 (en) Tape cutter device
ZA901435B (en) Cutting device for wiping materials stored in a unit which automatically despenses them in the form of a narrow,concertina-folded strip
US4819531A (en) Cutting apparatus and method for separating a vehicle glazing seam
US4331260A (en) Slide mounter with slide separator/out-of-slide inhibitor
CN111113528A (en) Adhesive tape beveling device
US4516386A (en) Semi-automatic slide mounter with anti-reverse operating lever
EP0670800A1 (en) A device for applying a closing strip.
US20050000340A1 (en) Cutting device for rolled media having dual cutters
US4455736A (en) Staple removing apparatus
CN215123818U (en) Sheep skeleton segmenting device
CN213802175U (en) But automatic cutout's high temperature sticky tape feed mechanism
CN115194240A (en) Anti-curling plate shearing device
CN217398131U (en) Cable pay-off
CN108675035B (en) Light object automatic cutting transmission device based on infrared monitoring
US3289509A (en) Reinforcement applicator
CN115921973B (en) Medium plate scrap shearing equipment
CN216401808U (en) Unmanned aerial vehicle centre gripping dragging device
CN212024301U (en) Aluminum coil slitting device with foam cotton
CN212503270U (en) Bus bar tape sticking equipment
US3286568A (en) Reciprocable cutting mechanism with stripper

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant