CN211330545U - Ultrasonic cleaning instrument - Google Patents
Ultrasonic cleaning instrument Download PDFInfo
- Publication number
- CN211330545U CN211330545U CN201922081993.0U CN201922081993U CN211330545U CN 211330545 U CN211330545 U CN 211330545U CN 201922081993 U CN201922081993 U CN 201922081993U CN 211330545 U CN211330545 U CN 211330545U
- Authority
- CN
- China
- Prior art keywords
- side wall
- plate
- box body
- top end
- half area
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model relates to the technical field of auxiliary devices for cleaning containers, in particular to an ultrasonic cleaning instrument which can be convenient for workers to take and place the containers to be cleaned; the ultrasonic vibration isolation box comprises a box body, a screen plate, a box cover and a pull ring, wherein a working cavity is arranged in the box body, a box opening is formed in the top end of the box body, an ultrasonic generator is arranged in the lower half area of the inner part of the working cavity, an emptying pipe is communicated with the lower half area of the left side wall of the box body, and a control valve is arranged on the emptying pipe; the novel screen plate is characterized by further comprising a fixed plate, a sliding plate, a telescopic rod, a spring and an auxiliary plate, wherein a sliding groove is formed in the central area of the right side wall of the fixed plate, a telescopic hole is longitudinally formed in the central area of the top end of the fixed plate, the left end of the screen plate is connected with the central area of the right side wall of the sliding plate, the top end of the spring is connected with the left half area of the bottom end of the sliding plate, and the bottom end of.
Description
Technical Field
The utility model relates to a technical field of container washing auxiliary device especially relates to an ultrasonic cleaner.
Background
As is well known, an ultrasonic cleaning apparatus is an auxiliary device for cleaning containers used for animal vaccines, and is widely used in the field of container cleaning; the existing ultrasonic cleaning instrument comprises a box body, a screen plate, a box cover and a pull ring, wherein a working cavity is arranged in the box body, a box opening is formed in the top end of the box body and communicated with the working cavity, the right end of the box cover is connected with the right half area of the top end of the box body through a hinge, the bottom end of the pull ring is connected with the left half area of the top end of the box cover, the screen plate is transversely arranged in the lower half area of the working cavity, an ultrasonic generator is arranged in the lower half area of the inner part of the working cavity, an emptying pipe is communicated with the lower half area of the; when the existing ultrasonic cleaning instrument is used, a worker opens a box cover through a pull ring, then a container used by an animal vaccine is placed at the top end of a screen plate in a working cavity, then cleaning liquid is poured into the working cavity, the box cover is closed, an ultrasonic generator is powered on, the container in the working cavity is cleaned through the ultrasonic generator, and after the cleaning is finished, the worker opens a control valve and can discharge liquid in the working cavity from an emptying pipe; the existing ultrasonic cleaning instrument is found in use, and workers take and place containers needing cleaning with great effort, so that the use convenience is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a staff of can being convenient for gets to needs abluent container and puts, improves the ultrasonic cleaner who uses the convenience.
The utility model discloses an ultrasonic cleaning instrument, including box, otter board, case lid and pull ring, the box is inside to be provided with the working chamber, and the box top is provided with the case mouth, and the case mouth communicates with the working chamber, and the case lid right-hand member passes through hinged joint with the right half regional on box top, and the pull ring bottom is connected with the left half regional on case lid top, and the lower half regional inside the working chamber is provided with supersonic generator, and the lower half regional intercommunication of the left side wall of box is provided with the evacuation pipe, and is provided with the control valve on the evacuation pipe; the left end of the fixed plate is connected with the upper half area of the left side wall in the box body, the central area of the right side wall of the fixed plate is provided with a sliding groove, the central area of the top end of the fixed plate is longitudinally provided with a telescopic hole, the telescopic holes are communicated with the sliding groove, the sliding plate can be fixed in the sliding groove in a sliding way, the left side wall, the front side wall and the rear side wall of the sliding plate are respectively in smooth contact with the left side wall, the inner front side wall and the inner rear side wall in the sliding groove, the left end of the screen plate is connected with the central area of the right side wall of the sliding plate, the top end of the spring is connected with the left half area of the bottom end of the sliding plate, the bottom end of the spring is connected with the central area of the bottom side wall of the sliding groove, the bottom end of the telescopic rod penetrates through the telescopic hole and is connected with the left half area of the top end of the sliding plate, the left end of the auxiliary plate is connected with the central area of the right side wall of the screen plate, and the right side wall of the auxiliary plate is in smooth contact with the right side wall in the box body.
The utility model discloses an ultrasonic cleaner still includes bottom plate and four universal wheels of group, bottom plate top and box bottom central authorities are regional to be connected, four universal wheel tops of group are connected with bottom plate bottom left front side, right front side, left rear side and right rear side respectively.
The utility model discloses an ultrasonic cleaner still includes backup pad, dwang, rocker and braking plate, the backup pad left end is connected with the first half regional connection of box right side wall, and backup pad top central zone vertically is provided with the screw hole, the first half regional connection of dwang lateral wall is provided with the external screw thread, the rocker left end is connected with the first half regional connection of dwang right side wall, and the screw dress of dwang bottom passes the screw hole and is connected with braking plate top central zone, and the braking plate bottom is provided with the friction pad.
The utility model discloses an ultrasonic cleaner still includes branch and push rod, the first regional connection on branch left end and the box right side wall, push rod bottom and the half regional connection on the right side on branch top, push rod lateral wall central zone is provided with the slipmat.
The utility model discloses an ultrasonic cleaner still includes the steel ball, and accessory plate right side wall central zone is provided with the draw-in groove, the steel ball is rotatable to clamp in the draw-in groove, and the first region of right side wall is provided with the spacing groove in the box, and steel ball right-hand member slidable fixes at the spacing inslot.
The utility model discloses an ultrasonic cleaner, case lid top central area vertically are provided with the observation hole to be provided with the transparent plate in observation hole department.
The utility model discloses an ultrasonic cleaner, pull ring lateral wall central zone are provided with the rubber pad.
The utility model discloses an ultrasonic cleaner, the telescopic link top is provided with the blotter.
Compared with the prior art, the beneficial effects of the utility model are that: the working personnel opens the box cover through the pull ring, the sliding plate slides upwards under the action of elastic deformation recovery of the spring, the telescopic rod slides upwards at the moment, the sliding plate drives the screen plate to move upwards in the working cavity, then the container used by the animal vaccine is placed on the top end of the screen plate in the working cavity, then the cleaning solution is poured into the working cavity, the box cover is closed, the left end of the box cover presses the telescopic rod downwards, the telescopic rod slides downwards in the telescopic hole, the telescopic rod drives the sliding plate and the screen plate to move downwards, the spring is compressed during the downward movement of the sliding plate in the sliding groove, the screen plate moves to the lower half area in the working cavity and stops after the box cover is completely closed, the ultrasonic generator is powered on, the container in the working cavity is cleaned through the ultrasonic generator, after the cleaning is completed, the working personnel open the control valve, the liquid in the, when the box cover is opened, the screen plate moves upwards to the box opening, so that workers can conveniently take and place the container for the animal vaccine, the operation is labor-saving, and the use convenience is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
FIG. 4 is a schematic top view of the connection of the cover and the transparent panel;
in the drawings, the reference numbers: 1. a box body; 2. a screen plate; 3. a box cover; 4. a pull ring; 5. a working chamber; 6. an ultrasonic generator; 7. emptying the pipe; 8. a control valve; 9. a fixing plate; 10. a sliding plate; 11. a telescopic rod; 12. a spring; 13. an auxiliary plate; 14. a sliding groove; 15. a base plate; 16. a universal wheel; 17. a support plate; 18. rotating the rod; 19. a rocker; 20. a brake plate; 21. a friction pad; 22. a strut; 23. a push rod; 24. a non-slip mat; 25. steel balls; 26. a limiting groove; 27. a transparent plate; 28. a rubber pad; 29. a cushion pad.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the ultrasonic cleaning apparatus of the present invention comprises a box body 1, a mesh plate 2, a box cover 3 and a pull ring 4, wherein a working chamber 5 is arranged inside the box body 1, a box opening is arranged at the top end of the box body 1, the box opening is communicated with the working chamber 5, the right end of the box cover 3 is connected with the right half area of the top end of the box body 1 through a hinge, the bottom end of the pull ring 4 is connected with the left half area of the top end of the box cover 3, an ultrasonic generator 6 is arranged in the lower half area inside the working chamber 5, an emptying pipe 7 is arranged in the lower half area of the left side wall of the box body 1 through; the left end of the fixed plate 9 is connected with the upper half area of the left side wall in the box body 1, the central area of the right side wall of the fixed plate 9 is provided with a sliding groove 14, the central area of the top end of the fixed plate 9 is longitudinally provided with a telescopic hole which is communicated with the sliding groove 14, the sliding plate 10 can be fixed in the sliding groove 14 in a sliding way, the left side wall, the front side wall and the rear side wall of the sliding plate 10 are respectively in smooth contact with the left side wall, the inner front side wall and the inner rear side wall in the sliding groove 14, the left end of the screen plate 2 is connected with the central area of the right side wall of the sliding plate 10, the top end of the spring 12 is connected with the left half area of the bottom end of the sliding plate 10, the bottom end of the spring 12 is connected with the central area of the inner bottom side wall in the sliding groove 14, the bottom end of the telescopic rod 11 passes through the telescopic, the right side wall of the auxiliary plate 13 is in smooth contact with the inner right side wall of the box body 1; the working personnel opens the box cover through the pull ring, the sliding plate slides upwards under the action of elastic deformation recovery of the spring, the telescopic rod slides upwards at the moment, the sliding plate drives the screen plate to move upwards in the working cavity, then the container used by the animal vaccine is placed on the top end of the screen plate in the working cavity, then the cleaning solution is poured into the working cavity, the box cover is closed, the left end of the box cover presses the telescopic rod downwards, the telescopic rod slides downwards in the telescopic hole, the telescopic rod drives the sliding plate and the screen plate to move downwards, the spring is compressed during the downward movement of the sliding plate in the sliding groove, the screen plate moves to the lower half area in the working cavity and stops after the box cover is completely closed, the ultrasonic generator is powered on, the container in the working cavity is cleaned through the ultrasonic generator, after the cleaning is completed, the working personnel open the control valve, the liquid in the, when the box cover is opened, the screen plate moves upwards to the box opening, so that workers can conveniently take and place the container for the animal vaccine, the operation is labor-saving, and the use convenience is improved.
The ultrasonic cleaning instrument of the utility model also comprises a bottom plate 15 and four groups of universal wheels 16, wherein the top end of the bottom plate 15 is connected with the central area of the bottom end of the box body 1, and the top ends of the four groups of universal wheels 16 are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom end of the bottom plate 15; four groups of universal wheels can be convenient for the staff to remove the device, improve and use the flexibility.
The utility model discloses an ultrasonic cleaner still includes backup pad 17, dwang 18, rocker 19 and braking plate 20, and backup pad 17 left end is connected with the lower half region of box 1 right side wall, and the central zone in backup pad 17 top vertically is provided with the screw hole, and the lower half region of dwang 18 lateral wall is provided with the external screw thread, and rocker 19 left end is connected with the upper half region of dwang 18 right side wall, and 18 bottom end spiral shell of dwang passes the screw hole and is connected with the central zone in braking plate 20 top, and braking plate 20 bottom is provided with friction pad 21; staff's accessible rocker rotation dwang, the dwang can be at screw hole internal rotation, and the dwang drives the braking plate and moves down, makes braking plate bottom and ground contact, and the frictional resistance between friction pad can strengthen braking plate and the ground, and the accessible braking plate plays the effect of brake to the device, improves and uses the controllability.
The ultrasonic cleaning instrument of the utility model also comprises a support rod 22 and a push rod 23, the left end of the support rod 22 is connected with the upper half area of the right side wall of the box body 1, the bottom end of the push rod 23 is connected with the right half area of the top end of the support rod 22, and the central area of the outer side wall of the push rod 23 is provided with an anti-skid pad 24; staff's accessible push rod removes the device, and the operation is comparatively laborsaving, improves the convenience of use.
The ultrasonic cleaning instrument of the utility model also comprises a steel ball 25, the central area of the right side wall of the auxiliary plate 13 is provided with a clamping groove, the steel ball 25 can be rotatably clamped in the clamping groove, the upper half area of the right side wall in the box body 1 is provided with a limit groove 26, and the right end of the steel ball 25 can be fixed in the limit groove 26 in a sliding way; the steel balls can reduce the friction resistance generated when the auxiliary plate moves up and down, and the use smoothness is improved.
The ultrasonic cleaner of the utility model is provided with an observation hole longitudinally in the central area of the top end of the case cover 3, and a transparent plate 27 is arranged at the observation hole; the cleaning process in the working cavity is influenced through the transparent plate, and the use controllability is improved.
In the ultrasonic cleaning instrument of the utility model, a rubber pad 28 is arranged in the central area of the outer side wall of the pull ring 4; the rubber pad can protect staff's palm, improves the safety in utilization.
In the ultrasonic cleaning instrument of the utility model, the top end of the telescopic rod 11 is provided with a buffer cushion 29; the blotter can prevent to bump between telescopic link and the case lid, improves and uses the reliability.
The utility model discloses an ultrasonic cleaner, it is at work, the staff opens the case lid through the pull ring, the sliding plate slides upwards under the effect that the spring resumes elastic deformation at this moment, the telescopic link slides upwards at this moment, the sliding plate drives the otter board and upwards moves in the work cavity, later put into the container that animal bacterin used to the otter board top in the work cavity, later pour into to the lotion into the work cavity, close the case lid, the case lid left end pushes down the telescopic link, the telescopic link slides downwards in the telescopic link, the telescopic link drives sliding plate and otter board and downwards moves, the sliding plate compresses the spring in the in-process of the downward motion in the sliding tray, after the case lid is closed completely, the otter board moves to the lower half region in the work cavity and stops, power on ultrasonic generator, wash the container in the work cavity through ultrasonic generator, after the washing is accomplished, the liquid in the working cavity can be discharged from the emptying pipe, and the screen plate moves upwards to the box opening when the box cover is opened, so that workers can conveniently take and place the container for the animal vaccine, the operation is labor-saving, and the use convenience is improved; the four groups of universal wheels can facilitate the movement of the device by workers, thereby improving the use flexibility; the working personnel can rotate the rotating rod through the rocker, the rotating rod can rotate in the threaded hole, the rotating rod drives the brake plate to move downwards, so that the bottom end of the brake plate is in contact with the ground, the friction pad can enhance the friction resistance between the brake plate and the ground, the device can be braked through the brake plate, and the use controllability is improved; the device can be moved by a worker through the push rod, so that the operation is labor-saving, and the use convenience is improved; the steel balls can reduce the friction resistance generated when the auxiliary plate moves up and down, and the use smoothness is improved; the cleaning process in the working cavity can be influenced through the transparent plate, so that the use controllability is improved; the rubber pad can protect the palm of a worker, so that the use safety is improved; the blotter can prevent to bump between telescopic link and the case lid, improves and uses the reliability.
The utility model discloses an ultrasonic generator and four group's universal wheels that ultrasonic cleaner used all purchase from the market, only need according to the description install use can.
The utility model discloses an ultrasonic cleaner, above the mounting means, the connected mode or the mode that sets up of all parts are common mechanical system to the concrete structure, model and the coefficient index of all its parts are its from taking the technique, as long as can reach all can implement of its beneficial effect, so do not add at much and give unnecessary detail.
In the ultrasonic cleaning apparatus of the present invention, unless otherwise stated, the terms "up, down, left, right, front, back, inner, front, rear, inner, and vertical, horizontal" and the like are included in the terms and are intended to represent only the orientation of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. An ultrasonic cleaning instrument comprises a box body (1), a screen plate (2), a box cover (3) and a pull ring (4), wherein a working cavity (5) is arranged in the box body (1), a box opening is formed in the top end of the box body (1), the box opening is communicated with the working cavity (5), the right end of the box cover (3) is connected with the right half area of the top end of the box body (1) through a hinge, the bottom end of the pull ring (4) is connected with the left half area of the top end of the box cover (3), an ultrasonic generator (6) is arranged in the lower half area of the interior of the working cavity (5), an emptying pipe (7) is communicated with the lower half area of the left side wall of the box body (1), and a control valve (8; the novel multifunctional portable screen is characterized by further comprising a fixed plate (9), a sliding plate (10), a telescopic rod (11), a spring (12) and an auxiliary plate (13), wherein the left end of the fixed plate (9) is connected with the upper half area of the inner left side wall of the box body (1), the central area of the right side wall of the fixed plate (9) is provided with a sliding groove (14), the central area of the top end of the fixed plate (9) is longitudinally provided with a telescopic hole, the telescopic hole is communicated with the sliding groove (14), the sliding plate (10) can be fixed in the sliding groove (14) in a sliding mode, the left side wall, the front side wall and the rear side wall of the sliding plate (10) are respectively in smooth contact with the inner left side wall, the inner front side wall and the inner rear side wall of the sliding groove (14), the left end of the screen plate (2) is connected with the central area of the right side wall of the sliding plate (10), the top end of the spring (12), the bottom end of the telescopic rod (11) penetrates through the telescopic hole and is connected with the left half area of the top end of the sliding plate (10), the left end of the auxiliary plate (13) is connected with the central area of the right side wall of the screen plate (2), and the right side wall of the auxiliary plate (13) is in smooth contact with the inner right side wall of the box body (1).
2. The ultrasonic cleaning apparatus according to claim 1, further comprising a base plate (15) and four sets of universal wheels (16), wherein the top end of the base plate (15) is connected to the central region of the bottom end of the tank body (1), and the top ends of the four sets of universal wheels (16) are respectively connected to the left front side, the right front side, the left rear side and the right rear side of the bottom end of the base plate (15).
3. The ultrasonic cleaning instrument according to claim 2, further comprising a support plate (17), a rotating rod (18), a rocker (19) and a brake plate (20), wherein the left end of the support plate (17) is connected with the lower half area of the right side wall of the box body (1), a threaded hole is longitudinally formed in the central area of the top end of the support plate (17), an external thread is formed in the lower half area of the outer side wall of the rotating rod (18), the left end of the rocker (19) is connected with the upper half area of the right side wall of the rotating rod (18), the bottom end of the rotating rod (18) is screwed through the threaded hole and connected with the central area of the top end of the brake plate (20), and a friction pad (21) is arranged at the bottom end of the.
4. The ultrasonic cleaning device according to claim 3, further comprising a support rod (22) and a push rod (23), wherein the left end of the support rod (22) is connected with the upper half area of the right side wall of the box body (1), the bottom end of the push rod (23) is connected with the right half area of the top end of the support rod (22), and the central area of the outer side wall of the push rod (23) is provided with a non-slip mat (24).
5. The ultrasonic cleaning instrument according to claim 4, further comprising a steel ball (25), wherein a clamping groove is formed in a central region of the right side wall of the auxiliary plate (13), the steel ball (25) is rotatably clamped in the clamping groove, a limiting groove (26) is formed in an upper half region of the right side wall in the box body (1), and the right end of the steel ball (25) is slidably fixed in the limiting groove (26).
6. An ultrasonic cleaning apparatus according to claim 5, wherein a viewing hole is formed in a central region of a top end of the tank cover (3) in a longitudinal direction, and a transparent plate (27) is provided at the viewing hole.
7. An ultrasonic cleaning apparatus according to claim 6, wherein a rubber pad (28) is provided in a central region of an outer side wall of the pull ring (4).
8. An ultrasonic cleaning apparatus according to claim 7, wherein the telescopic rod (11) is provided at its top end with a cushion (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922081993.0U CN211330545U (en) | 2019-11-26 | 2019-11-26 | Ultrasonic cleaning instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922081993.0U CN211330545U (en) | 2019-11-26 | 2019-11-26 | Ultrasonic cleaning instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211330545U true CN211330545U (en) | 2020-08-25 |
Family
ID=72106041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922081993.0U Expired - Fee Related CN211330545U (en) | 2019-11-26 | 2019-11-26 | Ultrasonic cleaning instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211330545U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113020106A (en) * | 2021-04-06 | 2021-06-25 | 江西地康药业有限公司 | Ultrasonic bottle washing equipment used before filling of flos Trollii oral liquid |
-
2019
- 2019-11-26 CN CN201922081993.0U patent/CN211330545U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113020106A (en) * | 2021-04-06 | 2021-06-25 | 江西地康药业有限公司 | Ultrasonic bottle washing equipment used before filling of flos Trollii oral liquid |
| CN113020106B (en) * | 2021-04-06 | 2022-02-11 | 江西地康药业有限公司 | Ultrasonic bottle washing equipment used before filling of flos Trollii oral liquid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106002516A (en) | Novel polishing device for building | |
| CN211330545U (en) | Ultrasonic cleaning instrument | |
| CN108118648A (en) | A kind of clean robot | |
| CN111481395A (en) | Deodorization safe type obstetric table | |
| CN204975370U (en) | Iron fillings protect collection device for center lathe | |
| CN208121677U (en) | A kind of portable railway cleaning device | |
| CN206435485U (en) | A kind of clean type logistics sorting equipment | |
| CN206166881U (en) | Portable adhesive hair ware | |
| CN107932326A (en) | Grinding workpieces localization tool | |
| CN218885810U (en) | Magnetic particle flaw detector with magnetic suspension spraying device | |
| CN207563160U (en) | A kind of spray-painting plant of moulding | |
| CN205633756U (en) | Shockproof multi -functional dumper of silence of synchronous brake | |
| CN214292429U (en) | Heating inner bag grinding device of electric cooker | |
| CN210550475U (en) | Novel high-efficient glass is polished and is used dust collecting equipment | |
| CN211271953U (en) | Gynaecology and obstetrics's nursing car of changing dressings | |
| CN108013621A (en) | A kind of toilet articles has the dressing table of protection cosmetics effect | |
| CN212683442U (en) | Hardware polisher | |
| CN210407613U (en) | Workbench for clothes | |
| CN207450803U (en) | A kind of Medical treatment waste collecting tank | |
| CN207839551U (en) | A kind of bottle cleaning device | |
| CN207522285U (en) | A kind of handrail grinding device | |
| CN208913723U (en) | A kind of workpiece mounting platform of the surface grinding machine with tilt function | |
| CN208321561U (en) | A kind of petrochemical industry test tube Quick cleaning device | |
| CN210794153U (en) | Medical beauty instrument box | |
| CN218556494U (en) | Timber is with thick polisher of preventing dust |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 Termination date: 20201126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |