CN212520632U - Novel chicken intestine cutting device - Google Patents

Novel chicken intestine cutting device Download PDF

Info

Publication number
CN212520632U
CN212520632U CN202021806226.8U CN202021806226U CN212520632U CN 212520632 U CN212520632 U CN 212520632U CN 202021806226 U CN202021806226 U CN 202021806226U CN 212520632 U CN212520632 U CN 212520632U
Authority
CN
China
Prior art keywords
subassembly
roller
cutting
pipe
cutting device
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
CN202021806226.8U
Other languages
Chinese (zh)
Inventor
张新笑
吴海虹
邹烨
诸永志
王道营
卞欢
徐为民
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.)
Jiangsu Academy of Agricultural Sciences
Original Assignee
Jiangsu Academy of Agricultural Sciences
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 Jiangsu Academy of Agricultural Sciences filed Critical Jiangsu Academy of Agricultural Sciences
Priority to CN202021806226.8U priority Critical patent/CN212520632U/en
Application granted granted Critical
Publication of CN212520632U publication Critical patent/CN212520632U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Processing Of Meat And Fish (AREA)

Abstract

The utility model discloses a novel chicken intestines are drawn and are cut open device relates to poultry processing equipment field, including the processing case, the top of processing case is provided with the feeding subassembly, and the outside of processing case is provided with the second and washs the subassembly, the inside of processing case is provided with first washing subassembly, the below of feeding subassembly is provided with draws and cuts open the subassembly, the below of wasing the subassembly is provided with ejection of compact subassembly. The utility model discloses effectively solved present chicken intestines and drawn and cut open the problem that equipment machining efficiency is low.

Description

Novel chicken intestine cutting device
Technical Field
The utility model relates to a poultry processing equipment field specifically is a novel chicken intestines is drawn and is cut open device.
Background
The chicken intestine is intestine of chicken of Phasianidae. Commonly called chicken intestines, in the practical production process, most poultry processing enterprises cut the chicken intestines through manual scissors so as to remove excrement in the chicken intestines
At present draw the equipment of cuing open the chicken intestines once only can place 1 ~ 2 chicken intestines and draw and cut open the processing, machining efficiency is low for increase whole process time, and because the chicken intestines are drawn and are cut open the most structure as an organic whole of equipment, make it inside be difficult to wash, and the peculiar smell of chicken intestines is great, make its equipment inside be full of the peculiar smell, and present equipment is drawn to the chicken intestines and is cut open the back, and the chicken intestines are discharged together with the chicken liquid dung, make the aftertreatment for the staff bring inconvenience.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems of low processing efficiency of the existing chicken intestine cutting equipment, internal cleaning of the cutting equipment and separation of chicken intestine and chicken manure water, a novel chicken intestine cutting device is provided.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel chicken intestines are drawn and are cut open device, includes the processing case, the top of processing case is provided with the feeding subassembly, and the outside of processing case is provided with the second and washs the subassembly, the inside of processing case is provided with first washing subassembly, the below of feeding subassembly is provided with draws and cuts open the subassembly, the below of first washing subassembly is provided with ejection of compact subassembly, and the one end of first washing subassembly is provided with the drainage subassembly, the one end of drawing and cutting open the subassembly is provided with the watering subassembly.
Preferably, be provided with the arrangement groove on the feed assembly, the inboard in arrangement groove is provided with tap, and is provided with first feed chute on the arrangement groove, one side of first feed chute is provided with the second feed chute, tap's bottom is connected with the hose of intaking.
Preferably, cut and be provided with the cutting roller on the section subassembly, the outer wall of cutting roller is provided with cutting blade, and the one end of cutting roller is provided with spacing roller, the outer wall of spacing roller is provided with spacing piece, first motor is all installed to one side of spacing piece.
Preferably, be provided with on the first cleaning assembly and wash the box, wash one side of box and install the second motor, and the inboard that washs the box is provided with the backup pad, the one end of wasing the box is provided with the baffle, the inner wall of baffle is provided with the electromagnetism piece, and the baffle rotates through the pivot with wasing the box and be connected, be provided with the drainage hole in the backup pad.
Preferably, a discharge barrel is arranged on the discharge assembly, an inclined plate is arranged at one end of the discharge barrel, and a support frame is arranged at the bottom end of the inclined plate.
Preferably, a water outlet pipe is arranged on the water filtering component, a water collecting tank is arranged below the water outlet pipe, a sealing cover is arranged at the top end of the water collecting tank, and a filtering plate is arranged on the inner side of the water collecting tank.
Preferably, be provided with first washing liquid pipe on the second washs the subassembly, the bottom of first washing liquid pipe is connected with the connecting pipe, and the inboard of first washing liquid pipe is provided with first high pressure nozzle, the one end of first washing liquid pipe is provided with the installation sleeve, the bottom of connecting pipe is connected with second washing liquid pipe, the inboard of second washing liquid pipe is provided with second high pressure nozzle.
Preferably, the water spraying assembly is provided with a water inlet pipe, and one end of the water inlet pipe is provided with a spray head.
Preferably, first motor passes through chain, gear drive with cutting roller, spacing roller and is connected, the quantity of cutting roller, spacing roller all is two, and two cutting roller, spacing roller pass through rotating turret swing joint with the processing case.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a first feed chute that sets up, the second feed chute, first motor, cut the roller, cutting blade, spacing roller, spacing piece, put into four first feed chutes and second feed chute respectively with the well arranged monos chicken intestines, control two first motor operations, make it rotate simultaneously with spacing roller through chain and gear drive cutting roller, the chicken intestines fall into spacing piece of spacing roller outer wall and cut the gap between the roller, when cutting the roller rotation, the cutting blade of its outer wall cuts eight chicken intestines simultaneously, effectively solved present chicken intestines and drawn the problem that cuts open equipment machining efficiency low.
2. The utility model discloses a first cleaning solution pipe that sets up, second cleaning solution pipe, the connecting pipe, first high pressure nozzle, second high pressure nozzle, with outside water pipe through the installation sleeve with first washing solution union coupling together, spray to the inside of processing case through four high-pressure first shower nozzles in the washing solution entering first cleaning solution pipe, the washing solution in the first cleaning solution pipe passes through the connecting pipe simultaneously and carries in the second cleaning solution pipe, make the washing solution spray to the bottom in the processing case through second high pressure nozzle, thereby will cut open the inside washing of cuing open equipment to the chicken intestine and accomplish, effectively solved the inside abluent problem of cuing open the equipment of cutting open.
3. The utility model discloses a washing box that sets up, the second motor, the shower head, a supporting plate, the drainage hole, the electromagnetism piece, a baffle, the outlet pipe, the chicken intestine after the cutting falls into in wasing the box, control second motor operation, make it drive and wash the box left and right sides and sway, outside water enters into in the shower head through the inlet tube simultaneously, thereby spray on the chicken intestine, wash remaining chicken manure etc. of chicken intestine inner wall, the dirty water that washes falls into the bottom of wasing the box through a plurality of drainage holes in the bottom sprag board, and flow through the outlet pipe, after the chicken intestine washs, the electro-magnet fragment electricity deenergization of control washing box one end, then when wasing box and rotating to swash plate one side, baffle and washing box separation, and to one side free rotation, thereby make in the backup pad the chicken intestine landing to the swash plate on, the problem of the separation of chicken intestine and chicken manure water has effectively been solved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is a top view of the present invention;
FIG. 4 is a schematic view of a spacing roller of the present invention;
fig. 5 is a schematic view of a cutting blade of the present invention;
FIG. 6 is a view of the structure of the cleaning assembly of the present invention;
fig. 7 is an enlarged view of a of the present invention.
In the figure: 1. a processing box; 2. a feed assembly; 201. arranging a groove; 202. a faucet; 203. a first feed chute; 204. a second feed chute; 205. a water inlet hose; 3. cutting the assembly; 301. a cutting roller; 302. A cutting blade; 303. a limiting roller; 304. a limiting sheet; 305. a first motor; 4. a first cleaning assembly; 401. cleaning the box; 402. a second motor; 403. a support plate; 404. water filtering holes; 405. an electromagnet piece; 406. a baffle plate; 5. a discharge assembly; 501. a discharging barrel; 502. a sloping plate; 503. a support frame; 6. A water filtration assembly; 601. a water outlet pipe; 602. a water collection tank; 603. a sealing cover; 604. a filter plate; 7. a second cleaning assembly; 701. a first wash liquor tube; 702. a connecting pipe; 703. a second wash liquor tube; 704. a first high pressure showerhead; 705. a second high pressure showerhead; 706. installing a sleeve; 8. a sprinkler assembly; 801. a water inlet pipe; 802. and a spray header.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, a novel chicken intestine cutting device comprises a processing box 1, wherein a feeding component 2 is arranged at the top end of the processing box 1, a second cleaning component 7 is arranged on the outer side of the processing box 1, a first cleaning component 4 is arranged inside the processing box 1, a cutting component 3 is arranged below the feeding component 2, a discharging component 5 is arranged below the first cleaning component 4, a water filtering component 6 is arranged at one end of the first cleaning component 4, and a sprinkling component 8 is arranged at one end of the cutting component 3.
Referring to fig. 1 and 4, the feeding assembly 2 is provided with a settling tank 201, a water faucet 202 is disposed inside the settling tank 201, a first feeding tank 203 is disposed on the settling tank 201, a second feeding tank 204 is disposed on one side of the first feeding tank 203, and a water inlet hose 205 is connected to a bottom end of the water faucet 202.
The utility model discloses in put the chicken intestines in arrangement groove 201, open two tap 202, make water flow through intake hose 205 and tap 202, simply wash the chicken intestines, the staff arranges the chicken intestines in order, and the single chicken intestines that will arrange in order are put into first feed chute 203 and second feed chute 204 respectively.
Please refer to fig. 2, fig. 4 and fig. 5, the cutting assembly 3 is provided with a cutting roller 301, the outer wall of the cutting roller 301 is provided with a cutting blade 302, one end of the cutting roller 301 is provided with a limiting roller 303, the outer wall of the limiting roller 303 is provided with a limiting piece 304, and one side of the limiting piece 304 is provided with a first motor 305.
The utility model discloses two first motors of well control 305 move, make it rotate simultaneously with spacing roller 303 through chain and gear drive cutting roller 301, the chicken intestine falls into the spacing piece 304 of spacing roller 303 outer wall and the gap between the cutting roller 301, and when cutting roller 301 rotated, the cutting blade 302 of its outer wall cut eight chicken intestines simultaneously.
Please refer to fig. 2, 4, 6 and 7, the first cleaning assembly 4 is provided with a cleaning box 401, one side of the cleaning box 401 is provided with a second motor 402, the inner side of the cleaning box 401 is provided with a support plate 403, one end of the cleaning box 401 is provided with a baffle 406, the inner wall of the baffle 406 is provided with an electromagnet sheet 405, the baffle 406 is rotatably connected with the cleaning box 401 through a rotating shaft, and the support plate 403 is provided with a water filtering hole 404.
The utility model discloses in the chicken intestines after the cutting fall into washing box 401, control second motor 402 operation, make it drive washing box 401 horizontal hunting, outside water enters into shower head 802 through inlet tube 801 simultaneously, thereby spray on the chicken intestines, wash remaining chicken manure etc. of chicken intestines inner wall, the dirty water that washes passes through a plurality of drainage holes 404 on the bottom sprag board 403 falls into the bottom of washing box 401, and flow through outlet pipe 601, after the chicken intestines are washed, the disconnection magnetism of electro-magnet piece 405 of control washing box 401 one end, then when washing box 401 rotates to swash plate 502 one side, baffle 406 and washing box 401 separation, and to one side free rotation, thereby make the chicken intestines in the backup pad 403 can the landing to on the swash plate 502.
Please refer to fig. 1 and fig. 2, the discharging assembly 5 is provided with a discharging barrel 501, one end of the discharging barrel 501 is provided with a sloping plate 502, and the bottom end of the sloping plate 502 is provided with a supporting frame 503.
The utility model discloses well chicken intestines fall on swash plate 502 to the landing is collected by the staff to in ejection of compact section of thick bamboo 501, and support frame 503 supports fixedly to swash plate 502.
Referring to fig. 2, the water filtering assembly 6 is provided with a water outlet pipe 601, a water collecting tank 602 is disposed below the water outlet pipe 601, a sealing cover 603 is disposed at the top end of the water collecting tank 602, and a filtering plate 604 is disposed inside the water collecting tank 602.
The utility model discloses after well chicken intestines were washd, abluent dirty water flowed into header tank 602 through outlet pipe 601 to through the filtration of filter 604, the post processing of being convenient for, and the sealed lid 603 on header tank 602 top can prevent that the peculiar smell of dirty water from effluvium.
Referring to fig. 1, 2 and 3, the second cleaning assembly 7 is provided with a first cleaning liquid pipe 701, a connecting pipe 702 is connected to a bottom end of the first cleaning liquid pipe 701, a first high pressure nozzle 704 is disposed inside the first cleaning liquid pipe 701, an installation sleeve 706 is disposed at one end of the first cleaning liquid pipe 701, a second cleaning liquid pipe 703 is connected to a bottom end of the connecting pipe 702, and a second high pressure nozzle 705 is disposed inside the second cleaning liquid pipe 703.
The utility model discloses in link together outside water pipe through installation sleeve 706 and first cleaning solution pipe 701, the washing liquid sprays to the inside of processing case 1 through four first high pressure nozzle 704 in getting into first cleaning solution pipe 701, and the washing liquid in first cleaning solution pipe 701 passes through connecting pipe 702 simultaneously and carries second cleaning solution pipe 703 in, makes the washing liquid spray to the bottom in processing case 1 through second high pressure nozzle 705.
Referring to fig. 2, the sprinkler assembly 8 is provided with a water inlet pipe 801, and one end of the water inlet pipe 801 is provided with a spray header 802.
The utility model discloses carry the water of outside into inlet tube 801 to spout through shower head 802, wash the chicken intestines in backup pad 403.
Please refer to fig. 2, fig. 4 and fig. 5, the first motor 305 is connected to the cutting roller 301 and the limiting roller 303 through a chain and a gear, the number of the cutting roller 301 and the limiting roller 303 is two, and the two cutting rollers 301 and the limiting roller 303 are movably connected to the processing box 1 through a rotating frame.
The utility model discloses well first motor 305 moves and drives cutting roller 301 and spacing roller 303 through gear and chain and rotate simultaneously, is convenient for process the chicken intestines.
The working principle is as follows: when the utility model is used, the chicken intestines are placed in the arranging groove 201, two water taps 202 are opened, water flows out through the water inlet hose 205 and the water taps 202, the chicken intestines are simply washed, workers arrange the chicken intestines, the arranged single chicken intestines are respectively placed into the four first feeding grooves 203 and the second feeding grooves 204, two first motors 305 are controlled to run, the cutting rollers 301 and the limiting rollers 303 are driven to rotate simultaneously through chains and gears, the chicken intestines fall into gaps between the limiting sheets 304 on the outer walls of the limiting rollers 303 and the cutting rollers 301, when the cutting rollers 301 rotate, the cutting blades 302 on the outer walls simultaneously cut eight chicken intestines, the cut chicken intestines fall into the cleaning box 401, the second motors 402 are controlled to run, the cleaning box 401 is driven to swing left and right, meanwhile, external water enters the spray heads 802 through the water inlet pipe 801, and is sprayed on the chicken intestines, washing chicken manure and the like remained on the inner wall of chicken intestines, wherein the washed dirty water falls into the bottom end of the washing box 401 through a plurality of water filtering holes 404 on the bottom end supporting plate 403 and flows out through a water outlet pipe 601, after the chicken intestines are washed, the electromagnet piece 405 at one end of the washing box 401 is controlled to be powered off and magnetized, when the washing box 401 rotates towards one side of the inclined plate 502, the baffle 406 is separated from the washing box 401 and freely rotates towards one side, so that the chicken intestines on the supporting plate 403 can slide onto the inclined plate 502 and slide into the discharging cylinder 501 to be collected by workers, after the chicken intestines are washed, the washed dirty water flows into the water collecting tank 602 through the water outlet pipe 601 and is filtered by the filter plate 604, the post-treatment is facilitated, the sealing cover 603 at the top end of the water collecting tank 602 can prevent peculiar smell of the dirty water from being released, after the chicken intestines cutting equipment is used, the chicken intestines are washed, an external water pipe is connected with the first washing liquid pipe 701 through the mounting, the cleaning liquid enters the first cleaning liquid pipe 701 and is sprayed to the inside of the processing box 1 through the four first high-pressure spray heads 704, meanwhile, the cleaning liquid in the first cleaning liquid pipe 701 is conveyed to the second cleaning liquid pipe 703 through the connecting pipe 702, so that the cleaning liquid is sprayed to the bottom end of the processing box 1 through the second high-pressure spray head 705, and the inside of the chicken intestine cutting device is cleaned.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. The utility model provides a novel chicken intestines are drawn and are cut open device, includes processing case (1), its characterized in that: the top of processing case (1) is provided with feeding subassembly (2), and the outside of processing case (1) is provided with second washing subassembly (7), the inside of processing case (1) is provided with first washing subassembly (4), the below of feeding subassembly (2) is provided with to draw cuts open subassembly (3), the below of first washing subassembly (4) is provided with ejection of compact subassembly (5), and the one end of first washing subassembly (4) is provided with drainage component (6), the one end of drawing and cutting open subassembly (3) is provided with watering subassembly (8).
2. The novel chicken intestine cutting device as claimed in claim 1, wherein: be provided with arrangement groove (201) on feeding subassembly (2), the inboard of arrangement groove (201) is provided with tap (202), and is provided with first feed chute (203) on arrangement groove (201), one side of first feed chute (203) is provided with second feed chute (204), the bottom of tap (202) is connected with into water hose (205).
3. The novel chicken intestine cutting device as claimed in claim 1, wherein: cut open and be provided with cutting roller (301) on subassembly (3), the outer wall of cutting roller (301) is provided with cutting blade (302), and the one end of cutting roller (301) is provided with spacing roller (303), the outer wall of spacing roller (303) is provided with spacing piece (304), first motor (305) are all installed to one side of spacing piece (304).
4. The novel chicken intestine cutting device as claimed in claim 1, wherein: be provided with on first washing subassembly (4) and wash box (401), wash one side of box (401) and install second motor (402), and the inboard of washing box (401) is provided with backup pad (403), the one end of wasing box (401) is provided with baffle (406), the inner wall of baffle (406) is provided with electromagnetism piece (405), and baffle (406) and wash box (401) and rotate through the pivot and be connected, be provided with drainage hole (404) on backup pad (403).
5. The novel chicken intestine cutting device as claimed in claim 1, wherein: the discharging component (5) is provided with a discharging barrel (501), one end of the discharging barrel (501) is provided with an inclined plate (502), and the bottom end of the inclined plate (502) is provided with a supporting frame (503).
6. The novel chicken intestine cutting device as claimed in claim 1, wherein: be provided with outlet pipe (601) on drainage subassembly (6), the below of outlet pipe (601) is provided with header tank (602), the top of header tank (602) is provided with sealed lid (603), and the inboard of header tank (602) is provided with filter (604).
7. The novel chicken intestine cutting device as claimed in claim 1, wherein: be provided with first cleaning solution pipe (701) on second cleaning assembly (7), the bottom of first cleaning solution pipe (701) is connected with connecting pipe (702), and the inboard of first cleaning solution pipe (701) is provided with first high pressure nozzle (704), the one end of first cleaning solution pipe (701) is provided with installation sleeve (706), the bottom of connecting pipe (702) is connected with second cleaning solution pipe (703), the inboard of second cleaning solution pipe (703) is provided with second high pressure nozzle (705).
8. The novel chicken intestine cutting device as claimed in claim 1, wherein: the water spraying assembly (8) is provided with a water inlet pipe (801), and one end of the water inlet pipe (801) is provided with a spray header (802).
9. A novel chicken intestine cutting device according to claim 3, characterized in that: first motor (305) pass through chain, gear drive with cutting roller (301), spacing roller (303) and be connected, the quantity of cutting roller (301), spacing roller (303) all is two, and two cutting roller (301), spacing roller (303) pass through rotating turret swing joint with processing case (1).
CN202021806226.8U 2020-08-25 2020-08-25 Novel chicken intestine cutting device Active CN212520632U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021806226.8U CN212520632U (en) 2020-08-25 2020-08-25 Novel chicken intestine cutting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021806226.8U CN212520632U (en) 2020-08-25 2020-08-25 Novel chicken intestine cutting device

Publications (1)

Publication Number Publication Date
CN212520632U true CN212520632U (en) 2021-02-12

Family

ID=74528241

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021806226.8U Active CN212520632U (en) 2020-08-25 2020-08-25 Novel chicken intestine cutting device

Country Status (1)

Country Link
CN (1) CN212520632U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111838275A (en) * 2020-08-25 2020-10-30 江苏省农业科学院 Novel chicken intestine cutting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111838275A (en) * 2020-08-25 2020-10-30 江苏省农业科学院 Novel chicken intestine cutting device

Similar Documents

Publication Publication Date Title
CN212520632U (en) Novel chicken intestine cutting device
CN111068378A (en) Lubricating oil recovery processing device with pipeline edulcoration function
CN205987944U (en) A kind of cleaning machine pay-off
CN113289444B (en) High-efficient dust collector behind tunnel construction
CN203461364U (en) Wine storage tank with automatic cleaning device
CN219290958U (en) Exhaust treatment box with water purification function
CN117563315A (en) Front filtering device of hydraulic drive dirt suction type self-cleaning pump
CN115415220B (en) Equipment capable of continuously cleaning turmeric and cleaning method
CN111838275A (en) Novel chicken intestine cutting device
CN215962422U (en) Automatic back-flushing equipment for filter
CN216677515U (en) Spray washing tower capable of being used for waste water reuse function
CN201086071Y (en) Through type cleaning machine
CN213790199U (en) Printing and dyeing wastewater filtering device for printing and dyeing
CN114671219A (en) Belt conveyor with clearance function
CN211585735U (en) Environment-friendly air filtering device
CN208195030U (en) A kind of Zongzi production rice-pudding leaf cleaning device
CN207733553U (en) A kind of drum type washing oyster equipment
CN218898238U (en) Konjak belt cleaning device
CN216259780U (en) Dust collector for housing construction
CN218774509U (en) Dust device for environmental protection engineering
CN221131224U (en) Pipeline self-cleaning filter with water filtering circulation function
CN220633249U (en) Low-pressure self-cleaning continuous filter
CN213912697U (en) Industrial wastewater treatment system reforms transform device
CN214552187U (en) Waste gas recovery equipment
CN220142774U (en) Self-cleaning filter

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant