CN219428607U - Packaging device capable of keeping activity of vitamin gel - Google Patents

Packaging device capable of keeping activity of vitamin gel Download PDF

Info

Publication number
CN219428607U
CN219428607U CN202320725164.5U CN202320725164U CN219428607U CN 219428607 U CN219428607 U CN 219428607U CN 202320725164 U CN202320725164 U CN 202320725164U CN 219428607 U CN219428607 U CN 219428607U
Authority
CN
China
Prior art keywords
partition plate
vitamin
pressing
bottle body
movable partition
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
CN202320725164.5U
Other languages
Chinese (zh)
Inventor
潘大庆
朱瑶
阎林胤
章子锋
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.)
Henan Health Guangji Biotechnology Co ltd
Original Assignee
Henan Health Guangji Biotechnology 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 Henan Health Guangji Biotechnology Co ltd filed Critical Henan Health Guangji Biotechnology Co ltd
Priority to CN202320725164.5U priority Critical patent/CN219428607U/en
Application granted granted Critical
Publication of CN219428607U publication Critical patent/CN219428607U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

Landscapes

  • Jellies, Jams, And Syrups (AREA)
  • Packages (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)

Abstract

The utility model relates to the technical field of vitamin gel activity production, in particular to a packaging device for maintaining the vitamin gel activity, which comprises a top part and a bottom part, wherein the top part of the bottle body is connected with the bottom part of the bottle body through the matching of an external thread section and an internal thread section, vitamin particles and a premix substrate can be effectively separated and arranged to be separated, the vitamin particles and the premix substrate can be separated through a hard partition plate, a fixed plate and a movable partition plate, the vitamin particles and the premix substrate are prevented from fusing with each other when the packaging device is not used, the thickness of the movable partition plate is consistent with that of the hard partition plate, so that the top surface of the movable partition plate and the top surface of the hard partition plate are both positioned on the same horizontal plane, the semicircular radian of the movable partition plate is completely matched with the radian of the inner wall of the hard partition plate, and the function of blocking the top part of the bottle body and the bottom part of the bottle body is achieved.

Description

Packaging device capable of keeping activity of vitamin gel
Technical Field
The utility model relates to the technical field of vitamin gel activity production, in particular to a packaging device for maintaining the activity of vitamin gel.
Background
Vitamins are a class of trace organic substances that humans and animals must obtain from food in order to maintain normal physiological function. While vitamins are not involved in constituting cells of the human body nor in providing energy to the human body, vitamins are a class of substances necessary to maintain physical health. Plays an important role in the growth, metabolism and development processes of human bodies, and can effectively promote the growth, improve the immunity of the organism and reduce the morbidity. The vitamin content in human body is very small, but the human body cannot produce the vitamin autonomously, and the vitamin must be taken in vitro, so that the state of the vitamin when taken in the human body directly influences the activity of the vitamin in the human body.
The vitamin has a strong antioxidation function, is widely applied to the medicine and cosmetic industries, but simultaneously, the longer the storage time of the vitamin product is, the higher the loss rate is due to the characteristic that the vitamin is extremely easy to oxidize, so the following technical means are proposed to reduce the loss rate of the vitamin; firstly, the technology of vacuum spraying, electrostatic spraying and the like is a processing technology after vitamin product molding developed internationally in recent years, wherein the vacuum spraying is also called liquid permeation or core spraying, but the vacuum spraying equipment is not perfect (such as inaccurate metering and poor atomization effect) at present, and secondly, the technology of crosslinking and coating the basf vitamin, namely the microcapsule coating technology in pharmacology, is used for dispersing the vitamin into substances such as antioxidant, starch, collagen and the like, so that emulsion formed by the substances such as the substances is sprayed out to form particles, carbonyl of saccharide and amino of the collagen react under proper temperature and pressure conditions to form Schiff alkali, a criss-cross grid structure and a hardening layer on the surface of the particles, so that the particles have reduced permeability to water and gas, are insoluble in water, furthest protect the vitamin from being oxidized, but the technology has higher requirements on technological parameters and is relatively expensive, so that the technology is not suitable for storing and transporting the vitamin products in the medical and cosmetic industries.
Therefore, the packaging device for keeping the activity of the vitamin gel, which is used for isolating the vitamin particles from the premix matrix, is convenient to operate, safe and portable, can control the mixing time, has relatively practical cost and reduces the loss of the vitamin due to the environmental factors, and has wide market prospect.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the packaging device for keeping the activity of the vitamin gel, which is used for isolating the vitamin particles from the premix matrix, is matched with the vitamin particles at any time, is pressed, is convenient to use, is safe and portable, can control the mixing time, has relatively practical cost, reduces the loss of the vitamin due to the environmental factors and the like, and is used for overcoming the defects in the prior art.
The utility model adopts the technical scheme that: the utility model provides a keep active packing plant of vitamin gel, includes the body, and the body comprises top and bottom two parts, and the top of body is connected through the cooperation of external screw thread section and internal screw thread section with the bottom of body, is equipped with the bottle cap on the top surface at body top, the top surface middle part at body top be equipped with the bottleneck, the outside of this bottleneck is equipped with the press cover through the cooperation of external screw thread section and internal screw thread section, has seted up the liquid outlet on the press cover, the intercommunication has the conveyer pipe on the bottom surface of press cover, is equipped with movable partition board on the top surface at body top of press cover both sides and presses the device, the inside at body top is equipped with the stereoplasm baffle, the stereoplasm baffle adopts hollow ring structure, the middle part of stereoplasm baffle is equipped with the fixed plate, the conveyer pipe through-hole has been seted up at the middle part of fixed plate, the both sides of fixed plate are equipped with movable partition board, movable partition board press device be connected with movable partition board.
The press device of the two movable clapboards comprises fixing blocks, the two fixing blocks are of a cylindrical structure with upper and lower openings, the bottom surfaces of the fixing blocks are communicated with the top of the bottle body, press rods are sleeved in the two fixing blocks, one sides of the press rods are arranged outside the fixing blocks, press blocks are arranged on the top surfaces of the press rods, the other sides of the press rods are connected with the movable clapboards, press springs are arranged between the bottom surfaces of the press blocks and the top surfaces of the fixing blocks, and the bottom surfaces of the press blocks are connected with the top surfaces of the fixing blocks through the press springs.
The movable partition board adopts a semicircular plate-shaped structure, the bottom surface of the pressing rod is connected with the cambered surface end of the movable partition board, the plane end of the movable partition board is connected with the side surface of the fixed board through the rotary hinge, and the cambered surface of the movable partition board is attached to the cambered surface inner wall of the hard partition board.
The thickness of the fixed plate is identical with that of the hard partition plate, the thickness of the plane end of the movable partition plate is identical with that of the side wall of the fixed plate, and the thickness of the cambered surface of the movable partition plate is identical with that of the cambered surface inner wall of the hard partition plate.
The pressing block is of a cylindrical block structure, and the diameter length of the pressing block is not smaller than that of the fixing block.
The conveying pipe is sleeved in the bottle body through the pressing cover, the conveying pipe is sleeved in the fixing plate through the conveying pipe through hole, the height of the conveying pipe is not smaller than that of the bottle body, and the outer diameter length of the conveying pipe is identical to the inner diameter length of the conveying pipe through hole.
The hard partition board is arranged at the bottom end of the inner wall at the top of the bottle body, and the outer diameter length of the hard partition board is identical with the diameter length of the inner wall at the top of the bottle body.
The utility model has the beneficial effects that: according to the vitamin premix bottle, the bottle body is composed of the top and the bottom, the top of the bottle body and the bottom of the bottle body are connected through the matching of the external thread section and the internal thread section, vitamin particles can be effectively separated from a premix substrate and are arranged in the bottle body, the vitamin particles and the premix substrate are separated through the hard partition plate, the fixed plate and the movable partition plate, the vitamin particles and the premix substrate are prevented from being fused with each other when the vitamin premix bottle is not used, the vitamin particles and the premix substrate are prevented from being mixed with each other through the fixed block, the press rod, the press block and the press spring which are arranged, the press mechanism with a rebound function can be formed, one end of the press rod is connected with the movable partition plate, the other end of the press rod is arranged outside the fixed block, and the press block and the press spring are arranged, and simultaneously the press rod is driven to move downwards, and a bevel opening is formed between the movable partition plate and the movable partition plate, so that the vitamin particles at the top of the bottle body can be controlled to slide back and forth along with the premix substrate through the fixed block, and the vitamin premix bottle can be conveniently and safely mixed with the premix substrate, and the vitamin premix bottle can be controlled to slide down along with the bevel opening of the premix bottle; secondly, the thickness of the movable partition plate is consistent with that of the hard partition plate, so that the top surface of the movable partition plate and the top surface of the hard partition plate are positioned on the same horizontal plane, and the bottom surface of the movable partition plate and the bottom surface of the hard partition plate are positioned on the same horizontal plane; and the radian of the semicircle of the movable partition plate is completely matched with the radian of the inner wall of the hard partition plate, so that the vitamin particles positioned at the top of the bottle body cannot flow into the premix matrix at the bottom of the bottle body, the effect of blocking is achieved, the structure is simple, the operation is convenient, the design is ingenious, the working efficiency is greatly improved, and the product is good in social and economic benefits and easy to popularize and use.
Drawings
Fig. 1 is a schematic overall perspective view of the present utility model.
FIG. 2 is a schematic perspective view of the utility model with the cap removed.
FIG. 3 is a schematic perspective view of the present utility model with the cap removed.
Fig. 4 is an enlarged schematic view of the structure at a point a in fig. 3.
FIG. 5 is a schematic view in front perspective of the present utility model with the cap removed.
Detailed Description
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "top", "bottom", "inner", "outer", "one side", "outer wall", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1, 2, 3, 4 and 5, the packing device for keeping the activity of vitamin gel comprises a bottle body 1, wherein the bottle body 1 consists of a top and a bottom, the top of the bottle body 1 is connected with the bottom of the bottle body 1 through the matching of an external thread section and an internal thread section, a bottle cap 2 is arranged on the top surface of the top of the bottle body 1, a bottle mouth is arranged in the middle of the top surface of the bottle body 1, the outside of the bottle mouth is sleeved with a pressing cover 3 through the matching of the external thread section and the internal thread section, the pressing cover 3 is provided with a liquid outlet 4, the bottom surface of the pressing cover 3 is communicated with a conveying pipe 13, the top surface of the bottle body 1 at two sides of the pressing cover 3 is provided with a movable partition pressing device, a hard partition 5 is arranged in the inside of the top of the bottle body 1, the hard partition 5 adopts a hollow circular ring structure, a fixed plate 6 is arranged in the middle of the hard partition 5, a conveying pipe through hole 12 is arranged in the middle of the fixed plate 6, two sides of the fixed plate 6 are provided with a movable partition 7, the movable partition 7 is pressed by the movable partition plate and the bottle body 7, the two partition boards are mutually matched with the top and the vitamin gel particles can be prevented from being mixed with the vitamin particles at the bottom of the top of the bottle body 1 through the two sections, and the two partition boards can be mutually mixed with the vitamin particles, and the vitamin gel particles can be prevented from being mixed with the vitamin gel particles at the top and the bottom of the bottle body 1 through the mixing with the vitamin gel, and the vitamin gel is pre-mixed with the vitamin particles can be mixed with the vitamin particles and the vitamin particles can be mixed by the substances and the substances; the vitamin premix bottle comprises a bottle body and is characterized in that two movable partition plates are pressed, the two movable partition plates are pressed by pressing devices respectively comprise a fixed block 8, the two fixed blocks 8 are respectively in a cylindrical structure with upper and lower openings, the bottom surfaces of the fixed blocks 8 are communicated with the top of the bottle body 1, pressing rods 9 are respectively sleeved in the two fixed blocks 8, one sides of the pressing rods 9 are arranged outside the fixed blocks 8, pressing blocks 10 are arranged on the top surfaces of the pressing rods 9, the other sides of the pressing rods 9 are connected with the movable partition plates 7, pressing springs 11 are arranged between the bottom surfaces of the pressing rods 10 and the top surfaces of the fixed blocks 8, the bottom surfaces of the pressing rods 10 are connected with the top surfaces of the fixed blocks 8 through the pressing springs 11, the pressing rods 9, the pressing rods 10 and the pressing springs 11 are respectively arranged, so that the vitamin premix bottle can form a pressing mechanism with a rebound function, one end of each pressing rod 9 is connected with the movable partition plate 7, the other ends of the pressing rods 9 are arranged outside the fixed blocks 8, the pressing rods 10 and the pressing springs 11 are pressed by the pressing rods 11, the pressing rods 10 and the pressing rods 11 are respectively, the bottom surfaces of the pressing rods 7 are respectively pressed down, the upper and lower sides of the fixed blocks are respectively, the upper and lower ends of the upper and lower blocks are respectively provided with the upper and lower ends of the upper and lower blocks, the lower blocks are respectively.
The movable partition plate 7 is of a semicircular plate-shaped structure, the bottom surface of the pressing rod 9 is connected with the cambered surface end of the movable partition plate 7, the plane end of the movable partition plate 7 is connected with the side surface of the fixed plate 6 through a rotary hinge, and the cambered surface of the movable partition plate 7 is attached to the cambered surface inner wall of the hard partition plate 5; the thickness of the fixed plate 6 is identical with the thickness of the hard partition plate 5, the thickness of the plane end of the movable partition plate 7 is identical with the thickness of the side wall of the fixed plate 6, and the thickness of the cambered surface of the movable partition plate 7 is identical with the thickness of the cambered surface inner wall of the hard partition plate 5; the pressing block 10 is of a cylindrical block structure, the diameter and the length of the pressing block 10 are not smaller than those of the fixed block 8, the thickness of the movable partition 7 and the thickness of the hard partition 5 are consistent, the top surface of the movable partition 7 and the top surface of the hard partition 5 can be guaranteed to be positioned on the same horizontal plane, the bottom surface of the movable partition 7 and the bottom surface of the hard partition 5 are positioned on the same horizontal plane, moreover, the semicircular radian of the movable partition 7 and the radian of the inner wall of the hard partition 5 are completely matched, and vitamin particles positioned at the top of the bottle body 1 can not flow into a premix matrix at the bottom of the bottle body 1, so that the effect of blocking is achieved.
The conveying pipe 13 is sleeved in the bottle body 1 through the pressing cover 3, the conveying pipe 13 is sleeved in the fixing plate 6 through the conveying pipe through hole 12, the height of the conveying pipe 13 is not smaller than that of the bottle body 1, and the outer diameter length of the conveying pipe 13 is matched with the inner diameter length of the conveying pipe through hole 12.
The hard partition board 5 is arranged at the bottom end of the inner wall at the top of the bottle body 1, and the outer diameter length of the hard partition board 5 is identical with the diameter length of the inner wall at the top of the bottle body 1.
The pressing cover 3 is made of one or more of PP, PE, PET, the movable partition 7 is made of one or more of PP, PE, PET, and the hard partition 5 is made of one or more of PP, PE, PET.
The utility model does not include size limitation, and corresponding specification sizes can be selected according to the required capacity size.
The application method of the product is as follows: as shown in fig. 1, 2, 3, 4 and 5, firstly, the bottle body 1 is composed of a top part and a bottom part, the top part of the bottle body 1 and the bottom part of the bottle body 1 are connected through the matching of an external thread section and an internal thread section, vitamin particles and a premix substrate can be effectively arranged in a separated mode, the vitamin particles and the premix substrate are arranged in the bottle body in a separated mode, the vitamin particles can form a pressing mechanism with a rebound function through the fixed block 8, the pressing block 9, the pressing block 10 and the pressing spring 11, one end of the pressing block 9 is connected with the movable partition plate 7, the other end of the pressing block 9 is arranged outside the fixed block 8, the pressing block 10 and the pressing spring 11 are arranged, the pressing block 9 is moved downwards while the pressing block 7 is driven to move downwards, an inclined empty port is formed between the movable partition plate 7 and the hard partition plate 5, the vitamin particles at the top part of the bottle body can slide down to the bottom part of the bottle body through the inclined plane, then the vitamin particles can be prevented from being mixed with the premix substrate by the pressing block 10, and the vitamin particles can be conveniently and quickly mixed with the premix substrate by the pressing block 4.
The vitamin gel active-keeping packaging device isolates the vitamin particles from the premix matrix, is matched with the vitamin gel active-keeping packaging device, presses the vitamin gel active-keeping packaging device, is convenient to operate, safe and portable, can control mixing time, is relatively practical in cost, reduces loss of vitamins due to environmental factors, and has wide market prospect.
While specific embodiments of the present utility model have been described above, it will be appreciated by those skilled in the art that the present utility model is not limited to the examples described above, and modifications, substitutions and the like of the present utility model are intended to be included within the scope of the present utility model without departing from the spirit and principles of the present utility model.

Claims (7)

1. The utility model provides a keep active packing plant of vitamin gel, includes body (1), body (1) comprises top and bottom two parts, and the top of body (1) is connected through the cooperation of external screw thread section and internal screw thread section with the bottom of body (1), is equipped with bottle cap (2), its characterized in that on the top surface at body (1) top: the bottle is characterized in that a bottle opening is formed in the middle of the top surface of the top of the bottle body (1), a pressing cover (3) is sleeved on the outer side of the bottle opening through the matching of an external thread section and an internal thread section, a liquid outlet (4) is formed in the pressing cover (3), a conveying pipe (13) is communicated with the bottom surface of the pressing cover (3), a movable partition pressing device is arranged on the top surface of the top of the bottle body (1) on two sides of the pressing cover (3), a hard partition (5) is arranged in the top of the bottle body (1), the hard partition (5) adopts a hollow ring structure, a fixed plate (6) is arranged in the middle of the hard partition (5), a conveying pipe through opening (12) is formed in the middle of the fixed plate (6), movable partition plates (7) are arranged on two sides of the fixed plate (6), and the movable partition pressing device is connected with the movable partition plates (7).
2. The vitamin gel active retaining packaging device of claim 1, wherein: the utility model provides a press device with two movable clapboards, two movable clapboards press device include fixed block (8), two fixed block (8) all adopt upper and lower opening cylindric structure, the bottom surface of fixed block (8) is linked together with bottle body (1) top, the inside of two fixed block (8) is all overlapped and is equipped with presses stick (9), press one side setting of stick (9) is in the outside of fixed block (8), press the top surface of stick (9) and be equipped with on pressing the stick (10), press the opposite side of stick (9) and be connected with movable clapboards (7), press the bottom surface of stick (10) and be equipped with between the top surface of fixed block (8) and press spring (11), press the bottom surface of stick (10) and be connected with the top surface of fixed block (8) through pressing spring (11).
3. The vitamin gel active retaining packaging arrangement of claim 2, wherein: the movable partition plate (7) adopts a semicircular plate-shaped structure, the bottom surface of the pressing rod (9) is connected with the cambered surface end of the movable partition plate (7), the plane end of the movable partition plate (7) is connected with the side surface of the fixed plate (6) through a rotary hinge, and the cambered surface of the movable partition plate (7) is attached to the cambered surface inner wall of the hard partition plate (5).
4. A package for maintaining vitamin gel activity as defined in claim 3 wherein: the thickness of the fixed plate (6) is identical with the thickness of the hard partition plate (5), the thickness of the plane end of the movable partition plate (7) is identical with the thickness of the side wall of the fixed plate (6), and the thickness of the cambered surface of the movable partition plate (7) is identical with the thickness of the cambered surface inner wall of the hard partition plate (5).
5. The vitamin gel active retaining packaging arrangement of claim 2, wherein: the pressing block (10) adopts a cylindrical block structure, and the diameter length of the pressing block (10) is not smaller than that of the fixed block (8).
6. The vitamin gel active retaining packaging device of claim 1, wherein: the conveying pipe (13) is sleeved in the bottle body (1) through the pressing cover (3), the conveying pipe (13) is sleeved in the fixing plate (6) through the conveying pipe through hole (12), the height of the conveying pipe (13) is not smaller than that of the bottle body (1), and the outer diameter length of the conveying pipe (13) is matched with the inner diameter length of the conveying pipe through hole (12).
7. The vitamin gel active retaining packaging device of claim 1, wherein: the hard partition board (5) is arranged at the bottom end of the inner wall at the top of the bottle body (1), and the outer diameter length of the hard partition board (5) is identical with the inner wall diameter length at the top of the bottle body (1).
CN202320725164.5U 2023-04-05 2023-04-05 Packaging device capable of keeping activity of vitamin gel Active CN219428607U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320725164.5U CN219428607U (en) 2023-04-05 2023-04-05 Packaging device capable of keeping activity of vitamin gel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320725164.5U CN219428607U (en) 2023-04-05 2023-04-05 Packaging device capable of keeping activity of vitamin gel

Publications (1)

Publication Number Publication Date
CN219428607U true CN219428607U (en) 2023-07-28

Family

ID=87331197

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320725164.5U Active CN219428607U (en) 2023-04-05 2023-04-05 Packaging device capable of keeping activity of vitamin gel

Country Status (1)

Country Link
CN (1) CN219428607U (en)

Similar Documents

Publication Publication Date Title
CN219428607U (en) Packaging device capable of keeping activity of vitamin gel
CN206013408U (en) A kind of two-chamber pump type Packaging Bottle
CN207550968U (en) A kind of medicine bottle for the quantitative tablet taking for being applied to medical treatment
CN201356806Y (en) Automatic traditional Chinese medicine pelletizing machine
CN207826997U (en) A kind of preparation box
CN203318705U (en) Packing mechanism
CN202935799U (en) Storage and transport device of pasty fluid or viscous liquid
CN206437433U (en) A kind of aerosol can
CN211811839U (en) Vibration dish is used in cotton swab production
CN204837944U (en) Prepared food fodder spraying unit
CN203602079U (en) Mini-type full-sealing automatic quantitative supply device
CN202156655U (en) Cosmetic bottle
CN203779928U (en) Tablet press for producing pesticidewater-dispersible tablets
CN202729768U (en) Replaceable circulating liquid supplementing utensil
CN201923493U (en) Cosmetic packaging can
CN207157579U (en) Use for laboratory oral solid formulation bottle filling device
CN207356334U (en) One kind can revolve atomization tank
CN201755317U (en) Medicine bottle inner plug
CN202492351U (en) Air exhausting device and replaceable circulating type fluid supplementing vessel with the same
CN203507309U (en) Air-pressure-type medicine powder spraying bottle
CN216777558U (en) Tomato ketchup production is with canning pasteurization device
CN202575349U (en) Aluminum-plastic plate turning and conveying device
CN104787450A (en) Medicine distribution plastic bag
CN2485262Y (en) Seal of container
CN205087262U (en) Animal remedy mothballed plant

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant