CN110027795B - Foam generating bottle cap and foam generating bottle - Google Patents
Foam generating bottle cap and foam generating bottle Download PDFInfo
- Publication number
- CN110027795B CN110027795B CN201910428697.5A CN201910428697A CN110027795B CN 110027795 B CN110027795 B CN 110027795B CN 201910428697 A CN201910428697 A CN 201910428697A CN 110027795 B CN110027795 B CN 110027795B
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- Prior art keywords
- gas
- liquid mixing
- liquid
- air
- cavity
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- 239000006260 foam Substances 0.000 title claims abstract description 59
- 239000007788 liquid Substances 0.000 claims abstract description 123
- 239000012528 membrane Substances 0.000 claims abstract description 39
- 238000005187 foaming Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000009423 ventilation Methods 0.000 claims description 26
- 238000005192 partition Methods 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 239000006071 cream Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
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- 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
- B65D51/00—Closures not otherwise provided for
- B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
-
- 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
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/28—Nozzles, nozzle fittings or accessories specially adapted therefor
-
- 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
- B65D2251/00—Details relating to container closures
- B65D2251/06—Special configurations; Closures simulating or provided with another item, e.g. puppet, animal, vehicle, building
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Closures For Containers (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
A foam generating bottle cap and a foam generating bottle belong to the technical field of foam bottles. The invention comprises a shell for sealing and connecting a bottle body, a foaming device arranged in the shell, a liquid inlet cavity, a gas-liquid mixing cavity and a gas-liquid mixing channel which are sequentially arranged in the foaming device, wherein a liquid inlet pipe is arranged at the bottom of the liquid inlet cavity, a plurality of liquid inlet holes communicated with the gas-liquid mixing cavity are formed in the top of the liquid inlet cavity, an air channel communicated with the bottle body and the gas-liquid mixing cavity is arranged in the liquid inlet cavity, the gas-liquid mixing cavity is communicated with the gas-liquid mixing channel, and mesh membranes are arranged at two ends of the gas-liquid mixing channel. The invention has simple structure, is convenient for mass production and has good foam generating effect.
Description
Technical Field
The invention relates to the technical field of foam bottles, in particular to a foam generating bottle cap and a foam generating bottle.
Background
The foam bottle is widely used for products such as hand sanitizer, facial cleanser, bath foam and the like, and the common foam bottle in the market at present is generally in a pressing pump mode, so that the foam bottle is convenient to use, and a user can press the bottle mouth to press foam. However, this type of foam bottle also has the following problems: 1. the spring is needed for resetting the pressing pump, and after the spring is used for a long time, the elasticity of the spring can be gradually weakened or even disappear, or the spring is rusted to be damaged, so that the foam bottle cannot be reused for a long time. 2. Because the pressing pump needs a certain up-down telescopic space, the whole bottle mouth is higher in height, and is inconvenient to place in certain compartments and carry.
Of course, there are also foam bottles on the market, which are realized by extruding a bottle body, for example, chinese patent No. ZL201420712987.5 discloses a foam bottle cap, which comprises a base positioned at the bottle mouth of the bottle body, an air inlet cavity positioned on the base and communicated with the interior of the bottle body, a liquid inlet cavity positioned on the base and communicated with the interior of the bottle body, a gas-liquid mixing cavity communicated with the air inlet cavity and the liquid inlet cavity, and a foam outlet positioned at the top of the gas-liquid mixing cavity, wherein a first one-way valve which can not flow back external fluid is arranged between the gas-liquid mixing cavity and the air inlet cavity and the liquid inlet cavity, two ends of the gas-liquid mixing cavity are respectively provided with a net layer, the liquid inlet cavity is connected with an air hole communicated with external air, and a second one-way valve which can not flow out internal fluid is blocked is arranged on the air hole. However, the foam bottle cap has a complex structure, is inconvenient for mass production, and has poor foam effect.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide the foam generating bottle cap and the foam generating bottle, which have the advantages of simple structure, convenience for mass production and good foam generating effect.
The invention aims at realizing the following technical scheme:
the utility model provides a bottle lid takes place to foam, includes the shell that is used for sealing connection body, locates foaming machine in the shell, be equipped with feed liquor chamber, gas-liquid mixing channel in proper order in the foaming machine, the feed liquor chamber bottom is equipped with the feed liquor pipe, the feed liquor chamber top be equipped with a plurality of intercommunication in the feed liquor hole in gas-liquid mixing chamber, the feed liquor intracavity be equipped with the intercommunication body with the air channel in gas-liquid mixing chamber, gas-liquid mixing chamber intercommunication gas-liquid mixing channel, the both ends of gas-liquid mixing channel all are equipped with the mesh membrane.
The application principle of the invention is as follows: the liquid inlet pipe is connected with the bottle body in a sealing way and is just inserted into liquid in the bottle, and the liquid can generate foam, such as liquid soap, shower cream and the like. Then the bottle body is extruded, the volume of the bottle body is reduced, the air pressure is increased, and the larger air pressure presses the liquid into the liquid inlet cavity from the inside of the bottle body through the liquid inlet pipe on one hand and uniformly enters the gas-liquid mixing cavity through a plurality of liquid inlet holes; on the other hand, air in the bottle body is pressed into the gas-liquid mixing cavity through the air channel, and the air and the liquid are primarily mixed in the gas-liquid mixing cavity to form larger bubbles. And then the gas-liquid mixture is continuously pressed to the gas-liquid mixing channel, and further mixed by the mesh membranes at the two ends of the gas-liquid mixing channel to form finer foam, and the finer foam is extruded from the upper end of the gas-liquid mixing channel. The invention produces fine foam by preliminary mixing and further mixing of gas and liquid, and has better effect.
Preferably, the foam maker comprises a housing with an opening at the upper end, a baffle plate arranged in the housing, and a cover body arranged at the upper part in the housing, wherein the liquid inlet cavity is formed between the housing and the baffle plate, the gas-liquid mixing cavity is formed between the baffle plate and the cover body, and the gas-liquid mixing channel is arranged in the cover body. The foaming device is assembled by three parts, each part can be produced in batches through a die, and other accessories or glue and the like are not needed for assembling the two parts; wherein, be equipped with the constant head tank on the casing inside wall, the baffle passes through the card and inserts the constant head tank and realize the assembly, and the lid need not with casing fixed connection, and it is when accomplishing the assembly of foamer and bottle lid shell, is pressed from both sides tightly fixedly by spacing platform and bottle lid shell on the casing inside wall.
Preferably, an air vent column is arranged at the inner bottom of the shell, the lower end of the air vent column is opened, and an air hole is formed at the upper end of the air vent column; the diameter of the air hole is smaller than that of the ventilation column. The diameter of the air hole is only 0.6mm-0.8mm, so that the air flow speed is high when air is pressed out, namely the impact force on liquid is high, and the air hole is more easily mixed with the liquid to generate bubbles.
Preferably, the partition board is provided with an air vent sleeve, the lower part of the air vent sleeve is sleeved on the air vent column, and the upper part of the air vent sleeve extends out of the upper surface of the partition board; the upper side of the ventilation sleeve is provided with a plurality of air ports. The ventilation sleeve has the function of communicating the ventilation column on one hand, and has the function of changing upward air flow pressed out of the air holes of the ventilation column into a plurality of air flows sprayed out laterally on the other hand, so that the mixing efficiency of air and liquid is further improved.
Preferably, the upper part in the ventilation sleeve is provided with a plurality of limiting blocks. The structure ensures connectivity between the air hole of the ventilation column and the air hole of the ventilation sleeve in order to avoid pressing in the air hole of the ventilation column.
Preferably, the cover body is provided with a plurality of air inlets, and the inner side surface of the cover body is provided with an elastic film for covering the air inlets. When the bottle body is extruded, the air pressure on the inner side of the cover body is large, so that the elastic film is tightly pressed on the cover body, and air and liquid in the bottle body cannot pass through the air inlet; when the bottle body is restored to the original state, the air pressure at the inner side of the cover body is smaller, and the elastic membrane is pressed inwards by the external atmospheric pressure, so that the external air can smoothly enter the bottle body through the air inlet hole.
Preferably, the middle part of the inner side of the cover body protrudes outwards, and forms an air inlet cavity with the elastic membrane. Because the process of air intake into the bottle body is to jack up the elastic membrane inwards by external atmospheric pressure, the air intake hole in the middle of the cover body is not blocked by the elastic membrane all the time, the air intake can be realized inwards by only jack up the edge part of the elastic membrane by the external atmospheric pressure, and the air intake smoothness is improved; and the one-way plugging function of the elastic membrane to the air inlet hole is not affected.
Preferably, the middle part of the cover body is provided with a gas-liquid mixing column, the gas-liquid mixing column is internally provided with the gas-liquid mixing channel, and the middle part of the elastic membrane is opened and sleeved on the gas-liquid mixing column. The structure not only solves the installation problem of the elastic membrane, does not need the assistance of other accessories such as glue, and simultaneously avoids the influence of the elastic membrane on the connectivity of the gas-liquid mixing channel.
Preferably, the pore diameter of the mesh membrane near the outside is smaller than the pore diameter of the mesh membrane near the inside. The structure ensures that the foam generation process is smoother, and the foam becomes finer and finer gradually through the two mesh membranes with sequentially smaller pore diameters.
The invention also provides a foam generating bottle, which comprises the foam generating bottle cap and an elastic bottle body connected with the foam generating bottle cap in a sealing way. The elastic bottle body can be extruded and deformed, and can recover the original shape after being deformed.
The invention has the advantages that: the whole height is lower, is convenient for place and carry, can long-time used repeatedly, and the foam that produces simultaneously is finer and smoother, and the effect is better.
Drawings
FIG. 1 is a cross-sectional view of a foamer of the invention;
FIG. 2 is a cross-sectional view of the housing of the foamer;
FIG. 3 is a cross-sectional view of a baffle of the foamer;
fig. 4 is a cross-sectional view of the cover of the foamer.
The drawings are structural schematic diagrams, are all represented by lines, and do not show the thickness of the structure.
1-a liquid inlet cavity; 2-a gas-liquid mixing cavity; 3-a gas-liquid mixing channel; 4-a liquid inlet pipe; 5-a liquid inlet hole; 6-air passage; 7-mesh membrane; 101-a housing; 102-a separator; 103-cover; 104-venting column; 105-pores; 106, ventilation sleeve; 107-gas ports; 108-limiting blocks; 109-air inlet holes; 110-an elastic film; 111-a gas-liquid mixing column.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
The utility model provides a bottle lid takes place to foam, includes the shell that is used for sealing connection body, locates the foamer in the shell, be equipped with feed liquor chamber 1, gas-liquid mixing chamber 2, gas-liquid mixing channel 3 in proper order in the foamer, feed liquor chamber 1 bottom is equipped with feed liquor pipe 4, feed liquor chamber 1 top be equipped with a plurality of intercommunication in the feed liquor hole 5 of gas-liquid mixing chamber 2, be equipped with in the feed liquor chamber 1 the intercommunication body with air channel 6 of gas-liquid mixing chamber 2, gas-liquid mixing chamber 2 intercommunication gas-liquid mixing channel 3, the both ends of gas-liquid mixing channel 3 all are equipped with mesh membrane 7.
Specifically, the bubbler includes a housing 101 with an opening at an upper end, a partition plate 102 disposed in the housing 101, and a cover 103 disposed at an upper portion in the housing 101, wherein the liquid inlet chamber 1 is formed between the housing 101 and the partition plate 102, the gas-liquid mixing chamber 2 is formed between the partition plate 102 and the cover 103, and the gas-liquid mixing channel 3 is disposed in the cover 103. The foaming device is assembled by three parts, each part can be produced in batches through a die, and other accessories or glue and the like are not needed for assembling the two parts; wherein, be equipped with the constant head tank on the casing 101 inside wall, baffle 102 realizes the assembly through the card income constant head tank, and lid 103 need not with casing 101 fixed connection, and it is when accomplishing the assembly of foamer and bottle lid shell, is pressed from both sides tightly fixedly by spacing platform and bottle lid shell on the casing 101 inside wall.
In addition, an air column 104 is arranged at the inner bottom of the shell 101, the lower end of the air column 104 is opened, and an air hole 105 is arranged at the upper end; the diameter of the air holes 105 is smaller than the diameter of the ventilation column 104. The diameter of the air hole is only 0.6mm-0.8mm, so that the air flow speed is high when air is extruded, namely the impact force on liquid is high, the air hole is more easily mixed with the liquid to generate bubbles, and meanwhile the air is prevented from being extruded too fast, so that the air pressure in the bottle body is kept enough to extrude the liquid fast. An air vent sleeve 106 is arranged on the partition board 102, the lower part of the air vent sleeve 106 is sleeved on the air vent column 104, and the upper part of the air vent sleeve extends out of the upper surface of the partition board 102; the upper side of the ventilation jacket 106 is provided with a plurality of air ports 107. The ventilation sleeve 106 serves to communicate with the ventilation column 104 on the one hand, and to change upward air flow pressed out from the air holes of the ventilation column 104 into a plurality of air flows ejected laterally on the other hand, so that the mixing efficiency of air and liquid is further improved. A plurality of limiting blocks 108 are arranged at the inner upper part of the ventilation sleeve 106. The structure ensures connectivity between the vent holes of the vent column 104 and the vent holes of the vent sleeve 106 in order to avoid pressing in the vent holes of the vent column 104.
In order to ensure the air intake efficiency after the bottle body is extruded with air, the cover 103 is provided with a plurality of air intake holes 109, and the inner side surface of the cover 103 is provided with an elastic film 110 covering the air intake holes 109. The air inlets 109 are used for allowing outside air to enter the bottle body when the bottle body is reset from the pressed state, the elastic membrane 110 realizes the one-way air inlet function of the air inlets 109, and when the bottle body is pressed, the air pressure on the inner side of the cover 103 is large, so that the elastic membrane 110 is tightly pressed on the cover 103, and the air and liquid in the bottle body cannot pass through the air inlets 109; when the bottle body is restored, the air pressure inside the cover 103 is small, and the external air pressure presses the elastic membrane 110 inwards, so that external air can smoothly enter the bottle body through the air inlet 109. And, the middle part of the inner side of the cover 103 protrudes outwards, and forms an air inlet cavity with the elastic membrane 110. Because the process of air intake into the bottle body is to jack up the elastic membrane 110 inwards by the external atmospheric pressure, the air intake hole 109 in the middle of the cover body 103 is not blocked by the elastic membrane 110 all the time due to the structure, the air intake can be realized inwards by only jack up the edge part of the elastic membrane 110 by the external atmospheric pressure, and the air intake smoothness is improved; and the one-way blocking function of the elastic membrane 110 to the air inlet hole 109 is not affected. In addition, a gas-liquid mixing column 111 is disposed in the middle of the cover 103, the gas-liquid mixing channel 3 is disposed in the gas-liquid mixing column 111, and the elastic membrane 110 is open in the middle and is sleeved on the gas-liquid mixing column 111. It should be noted that, the elastic membrane 110 is not only a central opening, but also an extension sleeve that is closely attached to the outer side of the gas-liquid mixing column 111 is provided at the opening to ensure connection stability and tightness. The structure not only solves the installation problem of the elastic membrane 110 without the assistance of other accessories such as glue, but also avoids the influence of the elastic membrane 110 on the connectivity of the gas-liquid mixing channel 3.
In order to further optimize the foam generation process, the pore size of the mesh membrane 7 near the outside is smaller than the pore size of the mesh membrane 7 near the inside. The structure makes the process of foam generation smoother, and the foam becomes finer and finer gradually through the two mesh films 7 with sequentially smaller pore diameters. And be equipped with the booster ring 112 in the gas-liquid mixing channel 3, the booster ring 112 is through reducing the passageway of inside and outside air intercommunication, when making the body by the extrusion, inside air is not so fast extruded to make inside atmospheric pressure be in great state in a period, in order to extrude liquid as early as possible, guarantee the time of gas-liquid mixing, guaranteed the efficiency that the foam produced promptly.
Finally, it is also to be noted that the outer shell of the entire closure has a structure adapted to the internal foamer, mainly provided with a foam outlet and an air inlet, and a flip-top which can be opened and closed.
In summary, the use principle of the invention is as follows: in sealing connection with the body, the liquid inlet pipe 4 is just inserted into the liquid in the bottle, and the liquid can generate foam, such as hand sanitizer, shower cream and the like. Then the bottle body is extruded, the volume of the bottle body is reduced, the air pressure is increased, and the liquid is pressed into the liquid inlet cavity 1 from the bottle body through the liquid inlet pipe 4 on one hand by the larger air pressure, and uniformly enters the gas-liquid mixing cavity 2 through the plurality of liquid inlet holes 5; on the other hand, air in the bottle body is pressed into the gas-liquid mixing cavity 2 through the air channel 6, and the air and the liquid are primarily mixed in the gas-liquid mixing cavity 2 to form a plurality of larger bubbles. Then the gas-liquid mixture is continuously pressed to the gas-liquid mixing channel 3, the gas-liquid is further mixed through the mesh membrane 7 with larger aperture at one end of the gas-liquid mixing channel 3 to form smaller foam, the finer foam is formed through the mesh membrane 7 with smaller aperture at the other end of the gas-liquid mixing channel 3, and finally the finer foam is extruded from the upper end of the gas-liquid mixing channel 3. When the bottle body is gradually restored from the compressed state, the air pressure inside the cap body 103 is small, and the elastic membrane 110 is pressed inward by the external atmospheric pressure, so that the external air can smoothly enter the bottle body through the air inlet 109.
The invention also provides a foam generating bottle, which comprises the foam generating bottle cap and an elastic bottle body connected with the foam generating bottle cap in a sealing way. The elastic bottle body can be extruded and deformed, and can recover the original shape after being deformed.
The foregoing is merely a preferred embodiment of the present invention, which is based on one implementation of the overall concept of the present invention, and the scope of the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (6)
1. The foam generating bottle cap comprises a shell for sealing and connecting a bottle body and a foaming device arranged in the shell, and is characterized in that a liquid inlet cavity, a gas-liquid mixing cavity and a gas-liquid mixing channel are sequentially arranged in the foaming device, a liquid inlet pipe is arranged at the bottom of the liquid inlet cavity, a plurality of liquid inlet holes communicated with the gas-liquid mixing cavity are formed in the top of the liquid inlet cavity, an air channel communicated with the bottle body and the gas-liquid mixing cavity is arranged in the liquid inlet cavity, the gas-liquid mixing cavity is communicated with the gas-liquid mixing channel, mesh membranes are arranged at two ends of the gas-liquid mixing channel, and the pore diameter of the mesh membrane close to the outside is smaller than that of the mesh membrane close to the inside;
the foaming device comprises a shell with an opening at the upper end, a baffle plate arranged in the shell and a cover body arranged at the upper part in the shell, wherein a liquid inlet cavity is formed between the shell and the baffle plate, a gas-liquid mixing cavity is formed between the baffle plate and the cover body, a gas-liquid mixing channel is arranged in the cover body, a ventilation column is arranged at the inner bottom of the shell, the lower end of the ventilation column is open, and an air hole is formed at the upper end of the ventilation column; the diameter of the air hole is smaller than that of the ventilation column, the partition plate is provided with a ventilation sleeve, the lower part of the ventilation sleeve is sleeved on the ventilation column, and the upper part of the ventilation sleeve extends out of the upper surface of the partition plate; the upper side of the ventilation sleeve is provided with a plurality of air ports.
2. The foam generating bottle cap of claim 1, wherein a plurality of stoppers are provided at an inner upper portion of the ventilation jacket.
3. The foam generating bottle cap according to claim 1, wherein a plurality of air inlet holes are formed in the cap body, and an elastic film covering the air inlet holes is formed on the inner side surface of the cap body.
4. A foam generating bottle cap according to claim 3, wherein the inner middle part of the cap body is protruded outwards and forms an air inlet cavity with the elastic membrane.
5. The foam generating bottle cap according to claim 3, wherein a gas-liquid mixing column is arranged in the middle of the cap body, the gas-liquid mixing channel is arranged in the gas-liquid mixing column, and the elastic membrane is opened in the middle and sleeved on the gas-liquid mixing column.
6. A foam generating bottle comprising the foam generating bottle cap as defined in claim 1, and an elastic bottle body hermetically connected to the foam generating bottle cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910428697.5A CN110027795B (en) | 2019-05-22 | 2019-05-22 | Foam generating bottle cap and foam generating bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910428697.5A CN110027795B (en) | 2019-05-22 | 2019-05-22 | Foam generating bottle cap and foam generating bottle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110027795A CN110027795A (en) | 2019-07-19 |
| CN110027795B true CN110027795B (en) | 2023-12-26 |
Family
ID=67243033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910428697.5A Active CN110027795B (en) | 2019-05-22 | 2019-05-22 | Foam generating bottle cap and foam generating bottle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110027795B (en) |
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2019
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