CN114604515A - Tea packaging can and packaging method - Google Patents
Tea packaging can and packaging method Download PDFInfo
- Publication number
- CN114604515A CN114604515A CN202210355271.3A CN202210355271A CN114604515A CN 114604515 A CN114604515 A CN 114604515A CN 202210355271 A CN202210355271 A CN 202210355271A CN 114604515 A CN114604515 A CN 114604515A
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- cover
- tea packaging
- tea
- pressure relief
- caddy
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 11
- 241001122767 Theaceae Species 0.000 claims abstract description 76
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 30
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 244000082204 Phyllostachys viridis Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 241000894006 Bacteria Species 0.000 abstract description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 239000001301 oxygen Substances 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 9
- ZFXYFBGIUFBOJW-UHFFFAOYSA-N theophylline Chemical compound O=C1N(C)C(=O)N(C)C2=C1NC=N2 ZFXYFBGIUFBOJW-UHFFFAOYSA-N 0.000 description 4
- 238000005496 tempering Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229960000278 theophylline Drugs 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009924 canning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/14—Linings or internal coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
- B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
- B65B55/02—Sterilising, e.g. of complete packages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
- B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
- B65D17/34—Arrangement or construction of pull or lift tabs
- B65D17/347—Arrangement or construction of pull or lift tabs characterised by the connection between the tab and a detachable member or portion of the container
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Packages (AREA)
Abstract
The invention discloses a tea packaging can and a packaging method, wherein the tea packaging can comprises a can barrel, a can bottom and a can cover, wherein: the tank cylinder is cylindrical, and a food-grade coating is arranged on the inner wall of the tank cylinder; the upper edge of the can barrel is hermetically connected with the lower edge of the can cover, the can cover is provided with a pressure relief convex part, the pressure relief convex part is integrally connected with the can cover, and the can cover is also provided with a pull ring; the upper edge of the can bottom is integrally connected with the lower edge of the can barrel, the pressure relief concave part is arranged on the can bottom and is integrally connected with the can bottom, so that the phenomenon of local bulge caused by excessive concentration of air pressure can be prevented, the nitrogen filling amount is sufficient, and the tea leaves can be kept fresh in a high-nitrogen environment in the sealed can; the sterile vacuum environment can be formed, the tea is effectively protected by high-purity nitrogen, and the mixed bacteria pollution is prevented; the tea packaging tin has good air tightness, can effectively isolate oxygen, has low production cost, can recover the pot body, and is more environment-friendly.
Description
Technical Field
The invention relates to the technical field of tea packaging, in particular to a tea packaging can and a packaging method.
Background
The multi-bubble canned tea is canned tea with high capacity and high quality. The can is an aluminum can with the height of 103 mm and the diameter of 64 mm, and the internal content of the aluminum can is 50 g of famous tea, so the aluminum can is called multi-bubble packaged small-can tea. The existing production line for multi-packaged small-can tea leaves firstly dries tea leaves again, and then packages and prepares the tea leaves through a tea weighing machine, a filling machine, a nitrogen filling machine, a film sticking machine, a film sealing machine, a cap sealing machine, a labeling machine and a film covering and plastic sealing machine.
However, in the canning preparation process, the tea leaves are sometimes found to be discolored, have reduced taste and even mildew after being stored for 3 to 5 years. Researches show that the main reason is that the tea can is oxidized and deteriorated for a long time because the air in the tea can is not thoroughly exhausted and the nitrogen filling amount is insufficient, and the tea can not be kept fresh in a high-nitrogen environment in the tea can after being sealed. In addition, the existing small pot tea is mostly sealed by adopting an aluminum film, and the pot is easy to expand after nitrogen is filled, so that the surface of the aluminum film is raised, and poor appearance is brought.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the tea packaging can and the packaging method, which can prevent the phenomenon of local bulge caused by excessive concentration of air pressure, have sufficient nitrogen filling amount and ensure that the tea can be kept fresh in a high-nitrogen environment in the can after sealing.
The technical scheme of the invention is as follows:
the invention provides a tea packaging can, which comprises a can, a can bottom and a can cover, wherein:
the tank cylinder is cylindrical, and a food-grade coating is arranged on the inner wall of the tank cylinder;
the upper edge of the can barrel is hermetically connected with the lower edge of the can cover, the can cover is provided with a pressure relief convex part, the pressure relief convex part is integrally connected with the can cover, and the can cover is also provided with a pull ring;
the upper edge of the tank bottom is integrally connected with the lower edge of the tank barrel, a pressure relief concave part is arranged on the tank bottom, and the pressure relief concave part is integrally connected with the tank bottom.
Preferably, the pressure relief convex part is an arc-shaped convex strip, and the center of the arc-shaped convex strip is located on the central axis of the tank cover.
Preferably, the relief recess is arcuate.
Preferably, the bottom edge of the tank cover is embedded with an annular sealing silica gel pad, and the upper edge of the tank cylinder and the lower edge of the tank cover are provided with flanges in the same direction and are connected through riveting.
Preferably, the food-grade coating is in particular an epoxy resin coating.
Preferably, the tea packaging caddy is made of aluminum alloy.
Preferably, the tea packaging caddy has an internal maximum compressive strength of 620 kPa/min.
Preferably, the capacity specification of the tea packaging caddy is 200ml or 250 ml.
The invention also provides a tea packaging method, which uses the tea packaging can and specifically comprises the following steps:
and 2, after edge riveting and sealing, conveying the tea packaging cans to a steam furnace path by using a conveying belt, and sterilizing at the temperature of 75-80 ℃ for 2-3 min.
The invention has the beneficial effects that:
according to the tea packaging can provided by the invention, the food-grade coating is arranged on the inner wall of the can, so that the oxidation reaction between theophylline in tea and aluminum can be prevented; the pot cover and the pot cylinder riveting edge sealing opening are matched with the annular sealing silica gel pad, so that a better sealing effect can be achieved; the pressure relief convex part and the pressure relief concave part are arranged to play a role in buffering air pressure, so that the phenomenon of local bulge caused by excessive concentration of air pressure can be prevented;
according to the tea packaging method provided by the invention, through the treatment in the steps 1 and 2, a sterile vacuum environment can be formed, and the tea is effectively protected by high-purity nitrogen gas to prevent the pollution of mixed bacteria; the tea packaging tin has good air tightness, can effectively isolate oxygen, has low production cost, can be recycled, and is more environment-friendly. When pulling open the pull ring, the consumer can hear more obvious gas sound when breaking apart the aluminium membrane than conventional small can tea, can audio-visually feel jar interior sufficient nitrogen charge volume, compare with prior art and can bring better experience and psychological suggestion for the consumer.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of a can lid of a tea packaging can according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a tea packaging caddy according to an embodiment of the present invention (lid not shown);
in the attached drawings, 1-can cover, 11-relief convex part, 12-pull ring, 13-nick, 2-can, 21-flanging, 3-can bottom and 31-relief concave part.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used.
In this application, the terms "upper", "lower", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "disposed," "provided," "connected," "secured," and the like are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
The present invention provides in one aspect a tea packaging caddy, preferably made of aluminum alloy, comprising a caddy 2, a caddy bottom 3 and a caddy lid 1, wherein:
as shown in fig. 2, the can 2 is cylindrical, so that the can is easy to take and can stand and stack, and the pressure in all directions can be averaged;
the inner wall of the tank 2 is provided with a food-grade coating to prevent oxidation reaction between theophylline in the tea and aluminum, and the food-grade coating is preferably an epoxy resin coating;
the upper edge of the can barrel 2 is connected with the lower edge of the can cover 1 in a sealing manner, specifically, an annular sealing silica gel pad can be embedded in the edge of the bottom surface of the can cover 1, the upper edge of the can barrel 2 and the lower edge of the can cover 1 are provided with flanges 21 in the same direction and are connected through riveting, and a better sealing effect can be achieved through matching the riveting edge with the annular sealing silica gel pad;
as shown in fig. 1, the can cover 1 is provided with a relief convex portion 11, specifically, the relief convex portion 11 is preferably a circular arc convex strip, the center of the circular arc convex strip is on the central axis of the can cover 1, and the relief convex portion 11 is integrally connected with the can cover 1; as shown in fig. 2, the upper edge of the can bottom 3 is integrally connected with the lower edge of the can barrel 2, a pressure relief concave part 31 is arranged on the can bottom 3, the pressure relief concave part 31 is integrally connected with the can bottom 3, and specifically, the pressure relief concave part 31 is arched; the pressure relief convex part 11 and the pressure relief concave part 31 are arranged to play a role of buffering air pressure, so that the phenomenon of local bulge caused by excessive concentration of the air pressure can be prevented; the highest pressure resistant strength in the tea packaging can reach 620 kPa/min.
As shown in fig. 1, the can lid 1 is provided with a circular score 13 coaxial with the can lid 1, the radius of the circular score 13 is larger than that of the circular arc convex line, a tab 12 is provided in the circular score 13, and the tab 12 is pulled by an external force and then the can lid 1 is pushed down to form an opening along the score 13.
Example 2
This example provides a specific embodiment of a 200ml specification tea packaging caddy: the full capacity of the tea packaging can is 227 +/-3 ml, the axial bearing pressure is 0.80kN/min, the internal pressure strength of the can is 620kPa/min, the tempering grade is H19, the outer diameter of the can barrel 2 is 57.40 +/-0.18 mm, the height of the can barrel 2 is 95.63 +/-0.38 mm, the thickness of the can barrel 2 is 0.15 +/-0.01 mm, the inner diameter of the can cover 1 is 52.4 +/-0.25 mm, the diameter of the can bottom 3 is 46.80mm at most, and the arch bottom depth of the arch-shaped pressure relief concave part 31 is 10.40 +/-0.30 mm.
Example 3
This example provides a specific implementation of a 250ml specification tea packaging can: the full capacity of the tea packaging can is 257 +/-3 ml, the axial bearing pressure is 0.80kN/min, the internal pressure strength of the can is 620kPa/min, the tempering grade is H19, the outer diameter of the can 2 is 57.40 +/-0.18 mm, the height of the can 2 is 114.30 +/-0.38 mm, the thickness of the can 2 is 0.15 +/-0.01 mm, the inner diameter of the can cover 1 is 52.4 +/-0.25 mm, the diameter of the can bottom 3 is 46.80mm at the maximum, and the arch bottom depth of the arch-shaped pressure relief concave part 31 is 10.40 +/-0.30 mm.
This example also provides another specific implementation of a 250ml specification tea packaging caddy: the full capacity of the tea packaging can is 257 +/-3 ml, the axial bearing pressure is 1.00kN/min, the internal pressure strength of the can is 620kPa/min, the tempering grade is H19, the external diameter of the can 2 is 66.04 +/-0.15 mm, the height of the can 2 is 92.30 +/-0.38 mm, the thickness of the can 2 is 0.10 +/-0.01 mm, the internal diameter of the can cover 1 is 52.4 +/-0.25 mm, the diameter of the can bottom 3 is 48.35mm at most, and the arch bottom depth of the arch-shaped pressure relief concave part 31 is 10.00 +/-0.15 mm.
Example 4
This example provides a method of packaging tea using the 250ml tea packaging caddy provided in example 3, comprising the steps of:
and 2, after edge riveting and sealing, conveying the tea packaging cans to a steam furnace path by using a conveying belt, and sterilizing at the temperature of 75-80 ℃ for 2-3 min.
In the step 1 of the embodiment, a secondary nitrogen charging method is creatively adopted, liquid nitrogen is charged for the first time and then stands for 80ms to 90ms, the purpose of discharging air in the tea canister is achieved by quickly evaporating the liquid nitrogen, then the tea canister is quickly covered with the can cover 1 after the secondary nitrogen charging, edges are riveted and sealed, and nitrogen can be sealed in the tea packaging can; by adopting the nitrogen filling method, the air in the tea packaging tank can be thoroughly discharged and replaced by high-purity nitrogen, so that the sealed tea can be in a high-nitrogen environment, and the tea in the tank is prevented from being oxidized and deteriorated due to insufficient nitrogen filling; and, because the jar is high-purity nitrogen gas environment for harmful substances such as fungi can't normally survive, further guarantee interior tealeaves quality of jar.
In step 2 of this embodiment, need carry out the secondary to the tealeaves packing jar after riveting the limit and sealing and kill, avoid tealeaves in its production transportation link or filling process, because of the infection that produces in the direct or indirect contact with other article such as air.
Through the treatment in the steps 1 and 2, a sterile vacuum environment can be formed, and the tea leaves are effectively protected by high-purity nitrogen to prevent the pollution of mixed bacteria; the tea packaging tin has good air tightness, can effectively isolate oxygen, has low production cost, can recover the pot body, and is more environment-friendly. When the pull ring 12 is pulled open, a consumer can hear more obvious gas sound when the aluminum film is detached compared with the conventional small-can tea, can intuitively feel the enough nitrogen filling amount in the can, and can bring better experience and psychological suggestion to the consumer compared with the prior art.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (9)
1. A tea packaging caddy is characterized in that: including a jar section of thick bamboo, tank bottom and cover, wherein:
the tank cylinder is cylindrical, and a food-grade coating is arranged on the inner wall of the tank cylinder;
the upper edge of the can barrel is hermetically connected with the lower edge of the can cover, the can cover is provided with a pressure relief convex part, the pressure relief convex part is integrally connected with the can cover, and the can cover is also provided with a pull ring;
the upper edge of the tank bottom is integrally connected with the lower edge of the tank barrel, a pressure relief concave part is arranged on the tank bottom, and the pressure relief concave part is integrally connected with the tank bottom.
2. The tea packaging caddy of claim 1, wherein: the pressure relief convex part is an arc-shaped convex strip, and the circle center of the arc-shaped convex strip is located on the central shaft of the tank cover.
3. The tea packaging caddy of claim 2, wherein: the pressure relief concave part is arched.
4. The tea packaging caddy of claim 1, wherein: the pot cover is characterized in that an annular sealing silica gel pad is embedded in the edge of the bottom surface of the pot cover, and the upper edge of the pot barrel and the lower edge of the pot cover are flanged in the same direction and are connected through riveting.
5. The tea packaging caddy of claim 1, wherein: the food-grade coating is specifically an epoxy resin coating.
6. The tea packaging caddy of claim 1, wherein: the tea packaging caddy is made of aluminum alloy.
7. The tea packaging caddy of claim 6, wherein: the highest internal compressive strength of the tea packaging caddy is 620 kPa/min.
8. The tea packaging caddy of claim 1, wherein: the capacity specification of the tea packaging caddy is 200ml or 250 ml.
9. A tea packaging method is characterized in that: use of a tea packaging caddy according to any one of claims 1 to 5, in particular comprising the steps of:
step 1, after defoaming, tea leaves are filled into a container consisting of a can and a can bottom in a non-contact manner, 50ml of liquid nitrogen is added for the first time, the container is kept stand for 80-90 ms, 30ml of liquid nitrogen is added for the second time after the liquid nitrogen volatilizes and extrudes air, a can cover is directly covered, and edges are riveted and sealed;
and 2, after edge riveting and sealing, conveying the tea packaging caddy to a steam furnace channel by using a conveying belt, and sterilizing at 75-80 ℃ for 2-3 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210355271.3A CN114604515B (en) | 2022-04-02 | 2022-04-02 | Tea packaging can and packaging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210355271.3A CN114604515B (en) | 2022-04-02 | 2022-04-02 | Tea packaging can and packaging method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114604515A true CN114604515A (en) | 2022-06-10 |
| CN114604515B CN114604515B (en) | 2024-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210355271.3A Active CN114604515B (en) | 2022-04-02 | 2022-04-02 | Tea packaging can and packaging method |
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|---|---|---|---|---|
| CN202368849U (en) * | 2012-02-03 | 2012-08-08 | 奥瑞金包装股份有限公司 | Three-piece tank bottom cover and three-piece tank |
| CN105109789A (en) * | 2015-09-15 | 2015-12-02 | 北京小罐茶业有限公司 | Tea packaging tin and manufacturing method thereof |
| CN108177825A (en) * | 2017-12-29 | 2018-06-19 | 黄山小罐茶业有限公司 | A kind of method of tealeaves purification sterilizing |
| CN209192498U (en) * | 2018-12-27 | 2019-08-02 | 韩莹 | Hermetically sealed can is used in a kind of storage of tealeaves |
| WO2020077264A1 (en) * | 2018-10-11 | 2020-04-16 | Flexcon Industries, Inc. | Hydro-pneumatic pressure vessel and diaphragm assembly method |
| CN213229458U (en) * | 2020-09-01 | 2021-05-18 | 广州市义统包装制品有限公司 | Drum-shaped tea caddy |
| CN214296747U (en) * | 2020-12-09 | 2021-09-28 | 黄山小罐茶业有限公司 | Aseptic nitrogen-filled packaging system for multi-packaged small-pot tea |
-
2022
- 2022-04-02 CN CN202210355271.3A patent/CN114604515B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202368849U (en) * | 2012-02-03 | 2012-08-08 | 奥瑞金包装股份有限公司 | Three-piece tank bottom cover and three-piece tank |
| CN105109789A (en) * | 2015-09-15 | 2015-12-02 | 北京小罐茶业有限公司 | Tea packaging tin and manufacturing method thereof |
| CN108177825A (en) * | 2017-12-29 | 2018-06-19 | 黄山小罐茶业有限公司 | A kind of method of tealeaves purification sterilizing |
| WO2020077264A1 (en) * | 2018-10-11 | 2020-04-16 | Flexcon Industries, Inc. | Hydro-pneumatic pressure vessel and diaphragm assembly method |
| CN209192498U (en) * | 2018-12-27 | 2019-08-02 | 韩莹 | Hermetically sealed can is used in a kind of storage of tealeaves |
| CN213229458U (en) * | 2020-09-01 | 2021-05-18 | 广州市义统包装制品有限公司 | Drum-shaped tea caddy |
| CN214296747U (en) * | 2020-12-09 | 2021-09-28 | 黄山小罐茶业有限公司 | Aseptic nitrogen-filled packaging system for multi-packaged small-pot tea |
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| Title |
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| Publication number | Publication date |
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| CN114604515B (en) | 2024-09-10 |
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