CN212184623U - Multi-functional hu sheep hurdle - Google Patents

Multi-functional hu sheep hurdle Download PDF

Info

Publication number
CN212184623U
CN212184623U CN202020625539.7U CN202020625539U CN212184623U CN 212184623 U CN212184623 U CN 212184623U CN 202020625539 U CN202020625539 U CN 202020625539U CN 212184623 U CN212184623 U CN 212184623U
Authority
CN
China
Prior art keywords
area
sheep
solid
liquid separation
breeding
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
Application number
CN202020625539.7U
Other languages
Chinese (zh)
Inventor
孙丽东
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.)
Deqing Sanyang Ecological Animal Husbandry Co ltd
Original Assignee
Deqing Sanyang Ecological Animal Husbandry 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 Deqing Sanyang Ecological Animal Husbandry Co ltd filed Critical Deqing Sanyang Ecological Animal Husbandry Co ltd
Priority to CN202020625539.7U priority Critical patent/CN212184623U/en
Application granted granted Critical
Publication of CN212184623U publication Critical patent/CN212184623U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Housing For Livestock And Birds (AREA)

Abstract

The utility model relates to a hu sheep breeds technical field, especially relates to a multi-functional hu sheep house, including breeding canopy, active area, trough and setting up in the collecting region of breeding the canopy below, breed the daily life region of flavor hu sheep in the canopy, the active area provides the appropriate amount motion occasion for the hu sheep, and the daily required foodstuff of hu sheep is placed to the trough, and the trough provides daily drinking water, and excrement and urine are collected in the collecting region separation. The collecting area is internally provided with a solid-liquid separation plate which is horizontally arranged, a pulley lifting device for controlling the solid-liquid separation plate, a feces collecting groove, an inclined plate below the solid-liquid separation plate and a drainage channel, and the side wall of the collecting area is provided with a discharge port. The utility model discloses following beneficial effect has: urine and excrement are separated, so that the urine can flow out and be collected in time, the interior of the cultivation shed is kept dry, and breeding of mosquitoes is prevented; workers can work more worry-saving and labor-saving; the breeding area and the activity area are reasonably planned, and the problem that the young sheep needs a separate place for milk feeding and male and female mating is solved.

Description

Multi-functional hu sheep hurdle
Technical Field
The utility model relates to a hu sheep breeds technical field, especially relates to a multi-functional hu sheep hurdle.
Background
The Hu sheep is one of important domestic animals in Taihu plain and is a first-level protective local livestock and poultry variety in China. The sheep is a rare white lamb variety, has the excellent properties of precocity, four seasons estrus, two fetuses in one year, more lambs per fetus, good lactation performance, fast growth and development, ideal meat production performance after improvement, high temperature and high humidity resistance and the like, is distributed in Taihu areas of China, and is in a dry and clean living environment. With the development of social economy and the improvement of the living standard of people, the demand of society on mutton is gradually increased, so more and more resources are put into the Hu sheep breeding work.
The problems that the breeding area is unreasonable in planning and the excrement cleaning process is complicated and incomplete generally exist in the existing Hu sheep breeding sheepcote, air turbidity is caused in the sheepcote, and the healthy growth of the Hu sheep is adversely affected.
Patent CN201620644882.X discloses a Hu sheep hurdle ventilation defecation mechanism, including breeding canopy, high bed and collection excrement district, be equipped with shutter, two-way fan and ozone generator on breeding the wall of canopy, collect excrement district and be located the below of high bed, collection excrement district includes the slope panel, collects excrement groove, goes out excrement mouth and bottom negative pressure air fan, the middle part and the play excrement mouth of high bed are connected to the slope panel. However, the above technical solutions still have not little drawbacks: urine and excrement are not separated, and a more complicated process is still needed for subsequent treatment and utilization; the inclined panel may be stuck in a long-time use process, and still needs to be cleaned manually at regular intervals, and the cleaning process of a large area is time-consuming and labor-consuming.
Disclosure of Invention
The utility model discloses a main aim at overcomes not enough among the prior art, provides a multi-functional hu sheep hurdle. This sheep hurdle has that regional planning is reasonable, excrement and urine separation, excrement and urine handle advantages such as convenient.
The utility model discloses a realize that the technical scheme that its technical purpose adopted is: the utility model provides a multi-functional hu sheep hurdle, its structural feature is, including breeding canopy, active area, trough and setting up in the collecting region of breeding the canopy below, breeds the daily life region of flavor hu sheep in the canopy, and the active area provides suitable motion occasion for the hu sheep, and the daily required foodstuff of hu sheep is placed to the trough, and the trough provides daily drinking water, and excrement and urine are collected in the collecting region separation.
A leaky floor is arranged between the collecting area and the culture shed.
The collecting area is internally provided with a solid-liquid separation plate which is horizontally arranged, a pulley lifting device for controlling the solid-liquid separation plate, a feces collecting groove, an inclined plate below the solid-liquid separation plate and a drainage channel, and the side wall of the collecting area is provided with a discharge port.
The solid-liquid separation board separates excrement and urine, and excrement and urine is collected in the solid-liquid separation board, and the urine sees through solid-liquid separation board to swash plate, flows into in the drainage canal along the swash plate.
The pulley lifting device lifts one side of the solid-liquid separation plate to enable the solid-liquid separation plate to incline, so that excrement can be conveniently collected in the excrement collecting groove.
Particularly, urine permeates through the solid-liquid separation board when producing, flows into the drainage canal to the swash plate in, is convenient for in time flow out and collects, makes keep dry in breeding the canopy, prevents breeding of mosquito. Excrement and urine is collected on solid-liquid separation layer, and the staff can regularly clear up, and pulley elevating gear lifts solid-liquid separation board one side, makes the slope of solid-liquid separation board, and the use tools such as rake, push pedal can be convenient at this moment get into excrement collection groove with excrement and urine from the discharge port, the clearance of being convenient for.
Preferably, the pulley lifting device comprises a pulley, a sling and a motor, one end of the solid-liquid separation plate is rotatably connected and fixed on the side wall of the collection area, the other end of the solid-liquid separation plate is connected with the sling, and a support lug is arranged on the side wall below the solid-liquid separation plate connected with one end of the sling.
Preferably, the pulleys are arranged above the solid-liquid separation plate, one end of the sling is connected with the solid-liquid separation plate, the other end of the sling is connected with the motor, and the sling is pulled by the motor to realize the inclination of the horizontal solid-liquid separation plate.
Specifically, under the normal state, one end of the solid-liquid separation plate is rotatably connected and fixed on the side wall of the collection area, and the other end of the solid-liquid separation plate is supported by the supporting lug to collect excrement; when excrement is treated, the sling is pulled by the motor to realize the inclination of the horizontal solid-liquid separation plate, and the excrement on the solid-liquid separation plate enters the excrement collecting groove from the discharge port by using tools such as rake and the like to be collected and treated in a centralized manner.
Preferably, the solid-liquid separation plates are arranged in a plurality of blocks, and the excrement with the whole area of the cultivation shed is collected by combining the solid-liquid separation plates. The excrement and urine of hu sheep distributes inhomogeneously, and the bearing of pulley elevating gear and support lug not only can be reduced in the design of polylith solid-liquid separation board, more can make that the staff is selective clears up the solid-liquid separation board, reduces staff's work load.
Preferably, the cultivation shed comprises a first cultivation area, a second cultivation area, a third cultivation area and a fourth cultivation area, wherein the first cultivation area is used for cultivating young sheep, the second cultivation area is used for cultivating female sheep, the third cultivation area is used for cultivating male adult sheep, the fourth cultivation area is used for cultivating female adult sheep, and fences are arranged among the cultivation areas for separation.
Preferably, a lamb channel is arranged between the first breeding area and the second breeding area, a lamb channel is arranged between the third breeding area and the fourth breeding area, and both the lamb channel and the lamb channel are provided with opening and closing doors.
Specifically, the Hu sheep at each stage can obtain proper growth conditions by regional cultivation, for example, the Hu sheep at different stages need foodstuff with different nutrient contents and the like, and meanwhile, the channel of the young sheep can enable the young sheep to enter a second cultivation region to obtain breast milk; the adult Hu sheep channel can facilitate the mating of the adult Hu sheep.
Preferably, a shared drinking trough is arranged between the first breeding area and the second breeding area, a shared drinking trough is arranged between the third breeding area and the fourth breeding area, the drinking troughs are respectively arranged on two sides of the young sheep channel and the adult sheep channel, and the breeding areas are respectively provided with separate and mutually isolated feeding troughs.
Particularly, the water trough is externally connected with a reservoir, and two culture areas share the water trough to save space; the independent food trough enables the Hu sheep at each stage to obtain independent food material proportion and obtain proper nutrition.
Preferably, the activity area is also divided into a first activity area, a second activity area, a third activity area and a fourth activity area according to the area plan of the cultivation shed, and fences are arranged among the activity areas for separation. Specifically, the activity area is communicated with the corresponding breeding area and is separated by the fence gate, and the activity area can provide a sport place for the Hu sheep and is beneficial to the healthy growth of the Hu sheep.
The utility model has the advantages that: the utility model adopts the solid-liquid separation plate which is horizontally arranged to separate urine and excrement, so that the urine can flow out and be collected in time, the inside of the cultivation shed can be kept dry, and breeding of mosquitoes can be prevented; meanwhile, the solid-liquid separation plate can be inclined through the pulley lifting device, so that excrement collection and subsequent treatment are facilitated, and workers can work more worry-saving and labor-saving; the breeding area and the activity area are reasonably planned, suitable foodstuff proportions are provided for the Hu sheep in different growth stages, and the problem that young sheep need separate fields for milk feeding and male and female mating is solved.
Drawings
Figure 1 is a front view of the utility model of a multifunctional Hu sheep hurdle.
Figure 2 is a schematic diagram of the breeding area and the activity area planning of the multifunctional Hu sheep house of the utility model.
Figure 3 is the utility model discloses a solid-liquid separation board slope schematic diagram of multi-functional hu sheep hurdle.
Wherein: 1. a culture shed; 11. a first breeding area; 12. a second culture area; 13. a third culture area; 14. a fourth breeding area; 2. an active region; 21. a first active area; 22. a second active area; 23. a third active area; 24. a fourth active area; 3. a trough; 4. a drinking trough; 5. a collection region; 51. a solid-liquid separation plate; 52. a pulley lifting device; 53. a manure collecting tank; 54. a sloping plate; 55. a drainage channel; 56. supporting the projection; 6. a floor with leaks.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element to which the description refers must have a specific position, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1 and 2, as shown in the figure, a multifunctional hu sheep house comprises a breeding shed 1, an active area 2, a trough 3, a drinking trough 4 and a collecting area 5 arranged below the breeding shed 1, wherein the active area provides a proper amount of exercise occasions for the hu sheep, the trough is used for placing food materials required by the hu sheep in daily life, the drinking trough is used for providing daily drinking water, and the collecting area is used for separating and collecting excrement and urine.
The bottom surface of the cultivation shed is higher than the ground and is designed as a high bed, and a leak floor 6 is arranged between the collection area 5 and the cultivation shed 1.
A solid-liquid separation plate 51 which is horizontally arranged, a pulley lifting device 52 for controlling the solid-liquid separation plate 51, a feces collection groove 53, an inclined plate 54 below the solid-liquid separation plate 51 and a drainage channel 55 are arranged in the collection area 5, and a discharge port is arranged on the side wall of the collection area 5.
The solid-liquid separation plate 51 separates the feces and urine, the feces are collected by the solid-liquid separation plate 51, and the urine passes through the solid-liquid separation plate 51 to the inclined plate 54 and flows into the drainage channel 55 along the inclined plate 54. The solid-liquid separation plate can be a flat plate which is provided with a polymer material plate with fine holes, an iron wire mesh plate and the like to realize the solid-liquid separation function.
The pulley elevating device 52 lifts one side of the solid-liquid separation plate 51 to incline the solid-liquid separation plate 51, so that the excrement can be conveniently collected in the excrement collection groove 53.
Referring to fig. 1 and 3, as shown in the figures, specifically, urine passes through the solid-liquid separation plate when being generated, flows into the drainage channel through the inclined plate, is convenient to flow out and collect in time, keeps the interior of the cultivation shed dry, and prevents breeding of mosquitoes. Excrement and urine is collected on solid-liquid separation layer, and the staff can regularly clear up, and pulley elevating gear 52 hangs solid-liquid separation board 51 one side, makes solid-liquid separation board 51 slope, and the use tools such as rake, push pedal can be convenient at this moment get into excrement collection groove with excrement and urine from the discharge port, the clearance of being convenient for.
The pulley lifting device 52 comprises a pulley, a sling and a motor, one end of the solid-liquid separation plate 51 is rotatably connected and fixed on the side wall of the collecting area 5, the other end of the solid-liquid separation plate is connected with the sling, a supporting lug 56 is arranged on the side wall below the solid-liquid separation plate 51 connected with one end of the sling, the motor switch is arranged on the outer wall of the cultivation shed, and a worker operates the motor switch to enable the solid-liquid separation plate to incline.
The pulley is arranged above the solid-liquid separation plate 51, one end of the sling is connected with the solid-liquid separation plate 51, the other end of the sling is connected with the motor, the sling is pulled by the motor to realize the inclination of the horizontal solid-liquid separation plate 51, and the inclination angle can be manually controlled and is generally between 8 degrees and 15 degrees.
Specifically, under the normal state, one end of the solid-liquid separation plate is rotatably connected and fixed on the side wall of the collection area 5, and the other end of the solid-liquid separation plate is supported by the supporting lug to collect excrement; when excrement is treated, the sling is pulled by the motor to realize the inclination of the horizontal solid-liquid separation plate 51, and the excrement on the solid-liquid separation plate enters the excrement collecting groove from the discharge port by using tools such as rake and the like to be collected, and is subjected to centralized treatment and can be subsequently made into fertilizer and the like.
The solid-liquid separation plates 51 are arranged in a plurality of blocks, and the excrement in the whole area of the cultivation shed is collected by combining the solid-liquid separation plates 51. The excrement and urine of hu sheep distributes inhomogeneously, and the bearing of pulley elevating gear and support lug not only can be reduced in the design of polylith solid-liquid separation board, more can make that the staff is selective clears up the solid-liquid separation board, reduces staff's work load.
Referring to fig. 2, as shown in the figure, the cultivation shed 1 includes a first cultivation area 11, a second cultivation area 12, a third cultivation area 13 and a fourth cultivation area 14, wherein the first cultivation area 11 is used for cultivating young sheep, the second cultivation area 12 is used for cultivating ewe, the third cultivation area 13 is used for cultivating male adult sheep, the fourth cultivation area 14 is used for cultivating female adult sheep, and fences are arranged among the cultivation areas for separation.
A young sheep channel is arranged between the first breeding area 11 and the second breeding area 12, a mature sheep channel is arranged between the third breeding area 13 and the fourth breeding area 14, and both the young sheep channel and the mature sheep channel are provided with opening and closing doors.
Specifically, the Hu sheep at each stage can obtain proper growth conditions by regional cultivation, for example, the Hu sheep at different stages need foodstuff with different nutrient contents and the like, and meanwhile, the channel of the young sheep can enable the young sheep to enter a second cultivation region to obtain breast milk; the adult Hu sheep channel can facilitate the mating of the adult Hu sheep.
A common drinking trough 4 is arranged between the first breeding area 11 and the second breeding area 12, a common drinking trough 4 is arranged between the third breeding area 13 and the fourth breeding area 14, the drinking troughs 4 are respectively arranged at two sides of a young sheep channel and a adult sheep channel, and the breeding areas are respectively provided with separate and mutually isolated feeding troughs 3.
Particularly, the water trough is externally connected with a reservoir, and two culture areas share the water trough to save space; the independent food trough enables the Hu sheep at each stage to obtain independent food material proportion and obtain proper nutrition.
The activity area 2 is also divided into a first activity area 21, a second activity area 22, a third activity area 23 and a fourth activity area 24 according to the area plan of the cultivation shed, and fences are arranged among the activity areas for separation. Specifically, the active area is linked together with corresponding breed area, separates through the barrier, and the barrier is opened and to be let hu sheep get into the active area, and the active area can provide the place of motion for hu sheep, does benefit to hu sheep's healthy growth.
Specifically, the daily life of the Hu sheep is in the cultivation shed, the Hu sheep in each stage are planned in different areas and are provided with respective feeding grooves, meanwhile, young sheep can enter the ewe area to eat milk, male sheep and female sheep can mate, the cultivation shed is communicated with an active area, and the Hu sheep can enter the active area to move. The excrement and urine that the hu sheep produced at ordinary times separates in the collecting region, and the separate processing, the urine is discharged at any time, and excrement and urine is collected centralized processing, is convenient for make subsequent fertilizer etc. cyclic utilization.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the protection scope of the present invention.

Claims (8)

1. A multi-functional hu sheep hurdle which characterized in that: comprises a cultivation shed (1), a movable area (2), a feeding trough (3), a drinking trough (4) and a collecting area (5) arranged below the cultivation shed (1);
a leak floor (6) is arranged between the collecting area (5) and the cultivation shed (1);
a solid-liquid separation plate (51) which is horizontally arranged, a pulley lifting device (52) for controlling the solid-liquid separation plate (51), a feces collection groove (53), an inclined plate (54) below the solid-liquid separation plate (51) and a drainage channel (55) are arranged in the collection region (5), and a discharge port is arranged on the side wall of the collection region (5);
the solid-liquid separation plate (51) is used for separating excrement and urine, the excrement is collected by the solid-liquid separation plate (51), and the urine penetrates through the solid-liquid separation plate (51) to the inclined plate (54) and flows into the drainage channel (55) along the inclined plate (54);
the pulley lifting device (52) lifts one side of the solid-liquid separation plate (51) to enable the solid-liquid separation plate (51) to incline, so that excrement can be conveniently collected in the excrement collection groove (53).
2. The multifunctional Hu sheep hurdle of claim 1, wherein:
the pulley lifting device (52) comprises a pulley, a sling and a motor, one end of the solid-liquid separation plate (51) is rotatably connected and fixed on the side wall of the collection area (5), the other end of the solid-liquid separation plate is connected with the sling, and a support lug (56) is arranged on the side wall below the solid-liquid separation plate (51) connected with one end of the sling.
3. The multifunctional Hu sheep hurdle of claim 2, wherein:
the pulley is arranged above the solid-liquid separation plate (51), one end of the sling is connected with the solid-liquid separation plate (51), the other end of the sling is connected with the motor, and the sling is pulled by the motor to realize the inclination of the horizontal solid-liquid separation plate (51).
4. The multifunctional Hu sheep hurdle of claim 1, wherein:
the solid-liquid separation plates (51) are arranged in a plurality of blocks, and the solid-liquid separation plates (51) are combined to collect excrement in the whole area of the cultivation shed.
5. The multifunctional Hu sheep hurdle as claimed in claim 4, wherein:
the breeding shed (1) comprises a first breeding area (11), a second breeding area (12), a third breeding area (13) and a fourth breeding area (14), wherein the first breeding area (11) is used for breeding young sheep, the second breeding area (12) is used for breeding female sheep, the third breeding area (13) is used for breeding male adult sheep, the fourth breeding area (14) is used for breeding female adult sheep, and fences are arranged between the breeding areas for separation.
6. The multifunctional Hu sheep hurdle of claim 5, wherein:
a young sheep channel is arranged between the first breeding area (11) and the second breeding area (12), a mature sheep channel is arranged between the third breeding area (13) and the fourth breeding area (14), and both the young sheep channel and the mature sheep channel are provided with opening and closing doors.
7. The multifunctional Hu sheep hurdle of claim 6, wherein:
be equipped with shared trough (4) between first breed district (11) and second breed district (12), be equipped with shared trough (4) between third breed district (13) and fourth breed district (14), trough (4) are arranged in the both sides of young sheep passageway and adult sheep passageway respectively, and breed district all is equipped with independent and each other's trough (3).
8. The multifunctional Hu sheep hurdle of claim 5, wherein:
the activity area (2) is also divided into a first activity area (21), a second activity area (22), a third activity area (23) and a fourth activity area (24) according to the area plan of the cultivation shed, and fences are arranged among the activity areas for separation.
CN202020625539.7U 2020-04-23 2020-04-23 Multi-functional hu sheep hurdle Expired - Fee Related CN212184623U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020625539.7U CN212184623U (en) 2020-04-23 2020-04-23 Multi-functional hu sheep hurdle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020625539.7U CN212184623U (en) 2020-04-23 2020-04-23 Multi-functional hu sheep hurdle

Publications (1)

Publication Number Publication Date
CN212184623U true CN212184623U (en) 2020-12-22

Family

ID=73826527

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020625539.7U Expired - Fee Related CN212184623U (en) 2020-04-23 2020-04-23 Multi-functional hu sheep hurdle

Country Status (1)

Country Link
CN (1) CN212184623U (en)

Similar Documents

Publication Publication Date Title
CN205694943U (en) It is applicable to the novel duck shed of integrated cultivation
CN104982383B (en) Bamboo rat ecological cultivation method
CN103918562A (en) Healthy cattle farm and cattle raising method
CN202617937U (en) Animal house with leak-seam and pit-type ventilation structure
CN204860472U (en) Open -air breed colony house of bamboo rat simulation
CN207201770U (en) Family's Ecocyclic cultivation fish system
CN203194266U (en) Guinea pig raising house
CN212184623U (en) Multi-functional hu sheep hurdle
CN205756238U (en) A kind of clean ventilation cowshed
CN111685079A (en) Healthy ecological cattle raising method
CN207783916U (en) A kind of Ecological View light type buffalo farming site
CN207322271U (en) A kind of new sheep hurdle
CN207083775U (en) A kind of goat scaleization cultivates colony house
CN210538020U (en) Annular cowshed
CN210247865U (en) Three-dimensional farming shed
CN204860490U (en) Unit is bred to bionical attitude of bamboo rat
CN204860471U (en) Ecological circle of breeding of bamboo rat
CN209693720U (en) A kind of family ranch ox bed and cowshed
CN210841141U (en) Container house for breeding laying hens
CN208836756U (en) A kind of comfortable sheep hurdle structure of sheep cultivation
CN110720396A (en) Annular cowshed
CN112335538A (en) Ecological business car
CN206118742U (en) Ecological factory building of breeding of bamboo rat
CN212937251U (en) Integral type fence free-ranging colony house
CN210671616U (en) Yak is bred and uses colony house

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: 20201222

Termination date: 20210423

CF01 Termination of patent right due to non-payment of annual fee