CN215667796U - Novel vertical fish scale gelatin draws device - Google Patents
Novel vertical fish scale gelatin draws device Download PDFInfo
- Publication number
- CN215667796U CN215667796U CN202120511964.8U CN202120511964U CN215667796U CN 215667796 U CN215667796 U CN 215667796U CN 202120511964 U CN202120511964 U CN 202120511964U CN 215667796 U CN215667796 U CN 215667796U
- Authority
- CN
- China
- Prior art keywords
- sieve
- fish scale
- communicated
- novel vertical
- stirring mechanism
- 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
- 108010010803 Gelatin Proteins 0.000 title claims abstract description 31
- 229920000159 gelatin Polymers 0.000 title claims abstract description 31
- 239000008273 gelatin Substances 0.000 title claims abstract description 31
- 235000019322 gelatine Nutrition 0.000 title claims abstract description 31
- 235000011852 gelatine desserts Nutrition 0.000 title claims abstract description 31
- 241000251468 Actinopterygii Species 0.000 title claims abstract description 30
- 238000003756 stirring Methods 0.000 claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 238000005520 cutting process Methods 0.000 claims abstract description 31
- 238000000605 extraction Methods 0.000 claims abstract description 20
- 238000004140 cleaning Methods 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 238000002791 soaking Methods 0.000 claims description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 11
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 11
- 241001330002 Bambuseae Species 0.000 claims description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 11
- 239000011425 bamboo Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 11
- 230000007306 turnover Effects 0.000 claims description 6
- 238000005485 electric heating Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000007654 immersion Methods 0.000 description 5
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Landscapes
- Meat, Egg Or Seafood Products (AREA)
Abstract
The utility model discloses a novel vertical fish scale gelatin extraction device which comprises a support, wherein a cleaning mechanism is fixedly arranged on the support, a stirring mechanism is communicated below the cleaning mechanism, a collecting cavity is arranged outside the stirring mechanism and is communicated with a discharging pipe, and an air inlet pipeline is arranged at the lower end of the stirring mechanism and penetrates through the collecting cavity; the stirring mechanism comprises two sieve cylinders which are horizontally arranged, a fixed baffle is arranged between the two sieve cylinders, through grooves are formed in the upper end and the lower end of the fixed baffle respectively, the side wall of each sieve cylinder is a sieve plate, a plurality of cutting plates are fixedly arranged on the sieve plate, a spiral rod is arranged in each sieve cylinder, blades of the spiral rod are matched with the cutting plates, and the spiral rod is driven by a second motor. The device has the advantages of simple structure, convenience in operation, capability of effectively avoiding the blockage of the sieve plate, high stirring efficiency and high glue extracting speed.
Description
Technical Field
The utility model relates to the technical field of gelatin extraction, in particular to a novel vertical fish scale gelatin extraction device.
Background
At present, gelatin has been deeply researched at home and abroad, a large number of gelatin extraction devices are simultaneously generated, but most of the gelatin extraction devices are animal skins, bones and the like aiming at raw materials, the number of the gelatin extraction devices aiming at fish scales is small, the sieve plate is arranged on the stirring side of the existing fish scale gelatin extraction devices, the existing fish scale gelatin extraction devices are easily blocked by the fish scales, the stirring efficiency is low, and the problem that glue solution at partial corners cannot be stirred is caused, so that the gelatin extraction efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel vertical fish scale gelatin extraction device, which solves the problems in the prior art, ensures that a sieve plate is not easy to block, and improves the efficiency of a stirring process.
In order to achieve the purpose, the utility model provides the following scheme: the utility model provides a novel vertical fish scale gelatin extraction device which comprises a support, wherein a cleaning mechanism is fixedly arranged on the support, a stirring mechanism is communicated below the cleaning mechanism, a collecting cavity is arranged on the outer side of the stirring mechanism, the collecting cavity is communicated with a discharging pipe, the stirring mechanism comprises two horizontally arranged sieve cylinders, and the sieve cylinders are communicated with a steam pipeline; two be provided with fixed stop between the sieve section of thick bamboo, both ends are opened respectively about fixed stop and are communicated two the logical groove of a sieve section of thick bamboo, the lateral wall of a sieve section of thick bamboo is the sieve of filtering gelatin, the fixed a plurality of cutting boards that are provided with on the sieve, be provided with the hob in the sieve section of thick bamboo, the blade and the cutting board looks adaptation of hob, the hob passes through second motor drive.
Preferably, the cleaning mechanism comprises an immersion barrel, a flip cover is detachably connected to the immersion barrel, a liquid inlet is formed in the flip cover, a plurality of electric heating pipes are arranged on the inner wall of the immersion barrel, a stirrer is arranged in the immersion barrel, the stirrer is connected with a first stirring motor in a shaft coupling mode, and a liquid outlet is communicated with the bottom of the immersion barrel.
Preferably, a feeding pipe is communicated between the cleaning mechanism and the stirring mechanism.
Preferably, the two end faces of the cutting plate are both arc-shaped, the inner arc face of the cutting plate is matched with the spiral rod blades, the outer arc face of the cutting plate is matched with the side wall of the screen cylinder, 6-10 rows of cutting plates are arranged, and 4-8 cutting plates are arranged in each row.
Preferably, a cooling pipeline is arranged at the top of the stirring mechanism, and two ends of the cooling pipeline are communicated with the screen drum.
Preferably, the bottom of the stirring mechanism is transversely and fixedly provided with a fixed plate, and two ends of the fixed plate are fixedly connected with the inner wall of the outer side of the collecting cavity.
Preferably, the bottom of the screen drum is a screen plate.
Preferably, the cooling pipeline is communicated with an automatic pressure relief valve, the automatic pressure relief valve comprises a movable block and a sliding rod, one end of the sliding rod is fixedly connected with the movable block, the other end of the sliding rod penetrates through the upper surface of the automatic pressure relief valve and is in sliding connection with the upper surface of the automatic pressure relief valve, the sliding rod is circumferentially provided with a spring, one end of the spring is fixedly connected with the movable block, the other end of the spring is fixedly connected with the upper surface of the automatic pressure relief valve, and one side of the automatic pressure relief valve is provided with a vent hole.
Preferably, the spiral directions of the spiral rods in the two screen cylinders are opposite.
The utility model discloses the following technical effects: by arranging the two screen drums which are communicated up and down, and arranging the spiral rods with opposite rotation directions in the screen drums, the glue solution in the stirring mechanism can move according to the stirring direction while being stirred, so that the circulating motion of the glue solution in the stirring mechanism is realized, the glue solution can be uniformly stirred, the problem that part of the glue solution is sunk and cannot be stirred is solved, the stirring speed is improved, and the fish scales gathered at the bottom of the stirring mechanism can be brought up to be stirred by the arrangement of the spiral rod structure; meanwhile, the sieve plate is arranged on the side wall of the sieve cylinder, so that a large amount of fish scales are not easy to gather on the surface of the sieve plate, and the sieve plate is prevented from being blocked; the inner wall of the screen cylinder is provided with the plurality of cutting plates, and the cutting plates and the rotating spiral rod can cut the fish scales, so that the fish scales are changed into fragments which are better gelatinized, and the gelatinization rate is improved; the device has the characteristics of simple structure, convenience in operation, capability of effectively avoiding the blockage of the sieve plate, high stirring efficiency and high glue extracting speed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the stirring mechanism of the present invention;
FIG. 3 is a schematic view of a pressure relief valve according to the present invention;
wherein: 1-bracket, 201-steeping barrel, 202-flip, 203-electric heating tube, 204-stirrer, 205-first motor, 3-feeding tube, 41-sieving barrel, 401-sieve plate, 402-second motor, 403-cutting plate, 404-screw rod, 5-collecting cavity, 6-discharging tube, 7-liquid inlet, 8-liquid outlet, 9-fixed baffle, 10-automatic pressure relief valve, 11-air inlet pipe, 12-movable block, 13-sliding rod, 14-spring, 15-air vent, 16-cooling pipe.
Detailed Description
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.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-3, the utility model provides a novel vertical fish scale gelatin extraction device, which comprises a support 1, wherein a cleaning mechanism is fixedly arranged on the support 1, the cleaning mechanism comprises a soaking cylinder 201, a turnover cover 202 is detachably connected to the soaking cylinder 201, a liquid inlet 7 is arranged on the turnover cover 202, a plurality of electric heating pipes 203 are arranged on the inner wall of the soaking cylinder 201, a stirrer 204 is arranged in the soaking cylinder 201, the stirrer 204 and the heating pipes 203 jointly act to accelerate the drying of fish scales, the preparation for the next treatment is carried out, the stirrer 204 is axially connected with a first stirring motor 205, the bottom of the soaking cylinder 201 is communicated with a liquid outlet 8, and the fish scales are washed and adjusted to be required for stirring; the lower part of the cleaning mechanism is communicated with a stirring mechanism, and a feeding pipe 3 is communicated between the cleaning mechanism and the stirring mechanism.
The stirring mechanism comprises two horizontally arranged sieve drums 41, and the sieve drums 41 are communicated with a steam pipeline; a fixed baffle 9 is arranged between two screen cylinders 41, through grooves for communicating the two screen cylinders 41 are respectively formed in the upper end and the lower end of the fixed baffle 9, the side walls of the screen cylinders 41 are screen plates 401 for filtering gelatin, the screen plates 401 are side walls, the problem that the screen plates are blocked due to accumulation of fish scales when the screen plates 401 are at the bottom is solved, the screen plates 401 are arranged at the bottoms of the screen cylinders 41, cutting plates 403 are fixedly arranged on the screen plates 401, both end faces of the cutting plates 403 are arc-shaped, the inner arc surfaces of the cutting plates 403 are matched with blades of spiral rods 404, the cutting plates 403 are matched with the blades to cut fish scales into fragments which are better gelatinized, the gelatinizing speed is improved, the outer arc surfaces of the cutting plates 403 are matched with the side walls of the screen cylinders 41, the cutting plates 403 are stably fixed on the side walls, the stability of the cutting plates 403 is improved, 6-10 rows of the cutting plates 403 are arranged, and 4-8 rows of the cutting plates 403 are arranged. Be provided with hob 404 in the sieve section of thick bamboo 41, the blade and the cutting board 403 looks adaptation of hob 404, hob 404 passes through the drive of second motor 402, and the direction of rotation of hob 404 is opposite in two sieve sections of thick bamboo 41 for the glue solution in the sieve section of thick bamboo 41 carries out cyclic motion according to certain order, has increased stirring rate, has avoided the problem that part glue solution sinks the end and can't be stirred, has also increased the area of contact of glue solution and hot steam simultaneously, has increased gluey speed.
A cooling pipeline 16 is arranged at the top of the stirring mechanism, two ends of the cooling pipeline 16 are communicated with the screen drum, the cooling pipeline 16 can cool the steam carrying gelatin particles and realize reflux, and the problem that the gelatin particles are attached to the steam and cannot be recovered is avoided; an automatic pressure relief valve 10 is communicated with a cooling pipeline 16, the pressure relief valve 10 comprises a movable block 12 and a sliding rod 13, one end of the sliding rod 13 is fixedly connected with the movable block 12, the other end of the sliding rod 13 penetrates through the upper surface of the automatic pressure relief valve 10 and is in sliding connection with the upper surface of the automatic pressure relief valve 10, a spring 14 is arranged on the periphery of the sliding rod 13, one end of the spring 14 is fixedly connected with the movable block 12, the other end of the spring 14 is fixedly connected with the upper surface of the automatic pressure relief valve 10, a vent 15 is arranged on one side of the automatic pressure relief valve 10, when the air pressure in the stirring unit is too high, the movable block 12 is jacked up, the spring 14 is compressed, and part of the cooled air is leaked from the vent 15 to realize air pressure regulation; the fixed plate is transversely fixed to the rabbling mechanism bottom, and fixed plate both ends and the 5 outside inner wall fixed connection in collection chamber, the fixed plate provide the holding power for the rabbling mechanism, have improved overall structure's stability, and the rabbling mechanism outside is provided with collects chamber 5, and collection chamber 5 intercommunication has discharging pipe 6, collects the gelatin of department of drawing.
The working process of the utility model is as follows: opening a turnover cover 202, putting the deodorized clean fish scales, then covering the turnover cover 202, adding a soak solution for multiple times through a liquid inlet 7 for soaking treatment, discharging the liquid through a liquid outlet 8, washing with clear water, then opening a first stirring motor 205 and an electric heating pipe 203, drying the fish scales, then stopping stirring and heating, introducing a citric acid solution, washing with distilled water to be neutral after soaking, then emptying a cleaning solution and injecting a proper amount of distilled water;
conveying the scales and distilled water into a stirring mechanism, introducing steam through an air inlet pipeline 11 to boil glue, simultaneously opening two second stirring motors 402, stirring the scales and the water through a spiral rod 404, and utilizing a double-screen cylinder 41 structure which is communicated up and down to match with the opposite rotation directions of the two spiral rods 404 to enable the scales and the water in one screen cylinder 41 to move upwards and the scales and the water in the other screen cylinder 41 to move downwards so as to form a circulating motion, so that the stirring speed is improved, meanwhile, a cutting plate 403 is arranged on the inner wall of the screen cylinder 41, the cutting plate 403 can be matched with blades of the spiral rod 404 to cut the scales, so that the scales are crushed, the scale gluing speed is improved, the scales can be sieved out by a screen plate 401 on the side wall of the screen cylinder 41 through stirring after being glued, the scales flow into a collecting cavity 5, and then are taken out through a discharge pipe 6 for storage; in the glue boiling process, part of the gelatin is attached to the steam, the steam is cooled and reflows to the stirring mechanism through the condensing mechanism 16, when the steam is too much and the pressure in the device is too high, the automatic pressure release valve 1 is pushed open, so that the leakage pressure of part of the steam accords with the glue boiling condition.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (9)
1. The utility model provides a novel vertical fish scale gelatin draws device which characterized in that: the device comprises a support (1), wherein a cleaning mechanism is fixedly arranged on the support (1), a stirring mechanism is communicated below the cleaning mechanism, a collecting cavity (5) is arranged outside the stirring mechanism, the collecting cavity (5) is communicated with a discharging pipe (6), the stirring mechanism comprises two horizontally arranged sieve drums (41), and the sieve drums (41) are communicated with a steam pipeline; two be provided with between sieve section of thick bamboo (41) fixed stop (9), both ends are opened respectively about fixed stop (9) and are communicated two the logical groove of a sieve section of thick bamboo (41), the lateral wall of a sieve section of thick bamboo (41) is sieve (401) of filtering gelatin, the fixed a plurality of cutting boards (403) that are provided with on sieve (401), be provided with hob (404) in a sieve section of thick bamboo (41), the blade and cutting board (403) looks adaptation of hob (404), hob (404) are through second motor (402) drive.
2. The novel vertical fish scale gelatin extraction device of claim 1, wherein: the cleaning mechanism comprises a soaking cylinder (201), a turnover cover (202) is detachably connected to the soaking cylinder (201), a liquid inlet (7) is formed in the turnover cover (202), a plurality of electric heating pipes (203) are arranged on the inner wall of the soaking cylinder (201), a stirrer (204) is arranged in the soaking cylinder (201), a first stirring motor (205) is connected to the stirrer (204) through a shaft, and a liquid outlet (8) is communicated with the bottom of the soaking cylinder (201).
3. The novel vertical fish scale gelatin extraction device of claim 1, wherein: a feeding pipe (3) is communicated between the cleaning mechanism and the stirring mechanism.
4. The novel vertical fish scale gelatin extraction device of claim 1, wherein: the sieve drum is characterized in that two end faces of the cutting plate (403) are arc-shaped, the inner arc face of the cutting plate (403) is matched with blades of the spiral rod (404), the outer arc face of the cutting plate (403) is matched with the side wall of the sieve drum (41), 6-10 rows of cutting plates (403) are arranged, and 4-8 cutting plates (403) are arranged in each row.
5. The novel vertical fish scale gelatin extraction device of claim 1, wherein: and a cooling pipeline (16) is arranged at the top of the stirring mechanism, and both ends of the cooling pipeline (16) are communicated with the screen drum.
6. The novel vertical fish scale gelatin extraction device of claim 1, wherein: the bottom of the stirring mechanism is transversely and fixedly provided with a fixed plate, and two ends of the fixed plate are fixedly connected with the inner wall of the outer side of the collecting cavity (5).
7. The novel vertical fish scale gelatin extraction device of claim 1, wherein: the bottom of the screen drum (41) is a screen plate (401).
8. The novel vertical fish scale gelatin extraction device of claim 5, wherein: cooling pipeline (16) are provided with automatic relief valve (10), automatic relief valve (10) are including movable block (12) and slide bar (13), slide bar (13) one end and movable block (12) fixed connection, slide bar (13) other end run through automatic relief valve (10) upper surface and with automatic relief valve (10) upper surface sliding connection, slide bar (13) circumference is provided with spring (14), spring (14) one end and movable block (12) fixed connection, spring (14) other end and automatic relief valve (10) upper surface fixed connection, automatic relief valve (10) one side is provided with blow vent (15).
9. The novel vertical fish scale gelatin extraction device of claim 1, wherein: the spiral directions of the spiral rods (404) in the two screen cylinders (41) are opposite.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120511964.8U CN215667796U (en) | 2021-03-04 | 2021-03-04 | Novel vertical fish scale gelatin draws device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120511964.8U CN215667796U (en) | 2021-03-04 | 2021-03-04 | Novel vertical fish scale gelatin draws device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215667796U true CN215667796U (en) | 2022-01-28 |
Family
ID=79969159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120511964.8U Expired - Fee Related CN215667796U (en) | 2021-03-04 | 2021-03-04 | Novel vertical fish scale gelatin draws device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215667796U (en) |
-
2021
- 2021-03-04 CN CN202120511964.8U patent/CN215667796U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108294339A (en) | A kind of Radix Puerariae cleaning machine | |
CN108497370A (en) | A kind of kelp dry powder preparation facilities and preparation method thereof | |
CN203678755U (en) | Cleaning machine for traditional Chinese medicinal materials | |
CN215667796U (en) | Novel vertical fish scale gelatin draws device | |
CN110574881A (en) | Eggshell membrane separation equipment, separation method and production line thereof | |
CN209636373U (en) | A kind of duck's down cleaning instrument that down jackets production uses | |
CN109877101A (en) | It is a kind of with the cleaning device for medical appliance for draining function | |
CN212664368U (en) | Heating type triethylene glycol washs stove | |
CN205115696U (en) | Improved generation flocking plastic buckram corner piece material takes off fine hair machine | |
CN214470253U (en) | Roots blower heat recycling device for leather production | |
CN214071606U (en) | Crayfish integral type machine of cooking | |
CN209759475U (en) | Dietary fiber constant-temperature composite enzymolysis reaction device | |
CN202133246U (en) | Hydrolysate drying machine | |
CN214316699U (en) | Crab breeding box convenient to clean | |
CN209584345U (en) | A kind of Waste battery treatment equipment convenient for pumping | |
CN217446546U (en) | Efficient heat energy utilization sandwich pot for meat product processing | |
CN221464195U (en) | Moxa rotary dryer | |
CN215652649U (en) | Tortoise shell glue preparation is with decocting device | |
CN216987627U (en) | Reation kettle is used in preparation of pine bark extract product | |
CN211960844U (en) | Food production is with high-efficient cleaning machine that cleaning performance is good | |
CN218921585U (en) | Bagged marinated egg water bath sterilization device | |
CN218528455U (en) | Commercial energy-saving multi-functional intelligent steamed vermicelli roll machine of portable | |
CN209848350U (en) | Distillation still for sclareol production | |
CN212512194U (en) | Herbal pieces-drying device | |
CN215260815U (en) | Bi-directional stirring double-cone rotary vacuum dryer |
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: 20220128 |
|
CF01 | Termination of patent right due to non-payment of annual fee |